Geriatrics Specialty

Geriatric Billing Services, Front Desk and Growth in One Plan

Wellness visits, care management, house calls and nursing facility claims, plus Medicare Advantage, dual-eligible and hospice checks, patient marketing and a claims portal for geriatric practices.

  • Works inside your current EHR
  • US practice time zone, every shift
  • Weekly KPI reporting, or on your schedule
Geriatric billing dashboard showing wellness visits due, care management time, discharge calls, denials and A/R days

Quick answer

Geriatric billing services manage the claims an older-adult practice creates: Annual Wellness Visits, cognitive assessments, advance care planning, home and nursing facility visits, monthly care management and post-discharge care. They also check Medicare Advantage, Medicaid and hospice status before each visit. RCM Finder adds front-desk assistants, marketing and a claims portal.

Disclaimer: This page is educational and is not legal, coding or compliance advice. Medicare manuals, contractor guidance, fee schedule rules and Medicare Advantage and Medicaid plan policies change often and vary by contractor, state and plan. Verify every code, limit and rule against current CMS documents, your Medicare contractor’s guidance, your payer contracts and the current CPT and HCPCS code sets before billing.

Why geriatric billing is different

Geriatric billing is different because nearly every patient is on Medicare, much of the care happens outside the office, and many services are paid by the minute or the month. One missing time log, consent or plan check can sink a claim.

In KFF’s 2026 enrollment update (June 2026), 35.2 million of the 64.2 million people with Medicare Parts A and B (55%) were in Medicare Advantage. Of the nearly 8.2 million in special needs plans, 78% were in plans for people with both Medicare and Medicaid.

  • Many settings. Office, home, assisted living and facility visits use different codes and places of service.
  • Clocks and calendars. Care planning, care management and transitional care have minute or day thresholds.
  • Coverage changes. Patients switch plans, gain Medicaid or elect hospice mid-year.

If most of your patients are working-age adults on commercial plans, our internal medicine billing and family practice billing pages fit better.

What changed for 2026, and what is proposed for 2027

CMS’s CY 2026 Physician Fee Schedule final rule fact sheet (October 31, 2025) set the conversion factor at $33.40 for clinicians who are not qualifying APM participants, up from $32.35. Its -2.5% efficiency adjustment skips time-based services such as E/M visits and care management. CMS’s E/M services booklet (May 2026) allows the G2211 add-on with home or residence visits from January 1, 2026. For virtual visits, see our telehealth billing guide.

The CY 2027 proposed rule fact sheet (July 14, 2026) projects $32.84 for the same group, proposes advance care planning codes for clinical staff and would turn G2211 into a payment modifier. Check the final rule before budgeting.

The four pillars, built for a geriatric practice

A geriatric practice needs families and referrers who find you, a front desk that checks coverage and logs consents, billing that counts minutes and settings, and software that shows every claim.

Revenue leaks at handoffs, such as a late discharge call or a care management month with no consent. We run all four pillars on one set of payer rules.

Pillar 1 · Healthcare Marketing

Healthcare Marketing for geriatric practices

Our healthcare digital marketing reaches older adults, their adult children and referring discharge planners through local SEO, Google Ads and reputation work, with tracking kept off forms that collect health information.

  • House call and facility coverage-area pages
  • Plain pages for families on visits and paperwork
  • A referral path for discharge planners
  • KPI: new patients and referrals by source
Explore Healthcare Marketing
Pillar 2 · Virtual Medical Assistants

Virtual Medical Assistants for geriatric front desks

Our virtual medical assistants for geriatric practices work on your practice’s time zone. They confirm coverage before every visit, book wellness visits on eligible dates, make discharge calls and file care management consents.

  • Medicare, Advantage, Medicaid and hospice status checked
  • Discharge contact logged within 2 business days
  • Last wellness visit date checked before booking
  • KPI: visits cleared before the date of service
Explore Virtual Medical Assistants
Pillar 3 · End-to-End RCM

End-to-End RCM for geriatric claims

Our end-to-end geriatric revenue cycle management covers coding support, claim scrubbing, denial management and A/R follow-up, with extra checks for place of service, same-day rules, modifier 33 and hospice modifiers.

  • Visits coded by setting
  • Care management time checked against thresholds
  • Medicaid crossovers followed for dual-eligible patients
  • KPI: denials by reason and A/R days
Explore End-to-End RCM
Pillar 4 · Practice Management System

Practice Management System for geriatric billing

Our practice management system tracks every claim by stage, applies specialty-aware billing logic per claim, checks data completeness before submission and flags underpayments.

  • Claims tracked by stage, per claim
  • Workflow rules that hold claims missing a consent or time log
  • Client portal for practices and billing companies
  • Early access: appointment booking with a calendar view
Explore Practice Management System

Find where your geriatric claims leak

We review recent wellness, care management, home and facility claims and denials, then show what to fix first.

Get a Free Practice Audit

Geriatric service families: codes, rules and denial triggers

Each geriatric service family has its own timing, overlap or setting rule. Codes are described in our own words (the AMA owns CPT descriptors); check the current code set and your Medicare contractor before billing.

Geriatric service families: code examples, billing rules and typical denial triggers
Service familyCode examples (our wording)Billing rule to knowTypical denial trigger
Annual Wellness VisitG0438 (first AWV); G0439 (later AWVs)Once in 12 months; not within 12 months of the IPPE; includes a cognitive checkBooked too early; billed as a routine physical, which Medicare does not cover
Cognitive assessment and care plan99483Independent historian present; billable with an AWV using modifier 25Same day as advance care planning, an office visit or a home visit
Advance care planning99497 (first 30 minutes); 99498 (each added 30)From 16 minutes; voluntary; cost sharing waived with a same-day AWV by the same provider and modifier 3315 minutes or less; no note of who attended or that it was voluntary
Home or residence visits99341, 99342, 99344, 99345 (new); 99347–99350 (established)Homes, assisted living, group homes (POS 12, 13, 14); G0318 for prolonged timeRemoved domiciliary codes (99324–99337); wrong place of service
Nursing facility visits99304–99306 (initial); 99307–99310 (subsequent); 99315, 99316 (discharge)POS 31 for SNF Part A; POS 32 for nursing facility or SNF Part B; G0317 for prolonged timeAnother same-day E/M with the initial visit; split or shared billing on nursing facility visits
Care management99490, 99491, 99487 (CCM); 99424–99427 (PCM); G0556–G0558 (APCM)Documented consent; one practitioner per month; APCM is monthly, not timedNo consent on file; another office billed the month; time counted twice
Transitional care management99495 (visit within 14 days); 99496 (visit within 7 days)Contact within 2 business days; medications reconciled by the visit; one practitioner per 30 daysLate visit; no contact attempts logged
Patients who elected hospiceModifiers GV and GWGV: attending physician not employed or paid under agreement by the hospice. GW: unrelated to the terminal conditionHospice election missed at check-in

Sources: CMS Annual Wellness Visit, Medicare Wellness Visits and Cognitive Assessment pages (2026); CMS MLN909289 and MLN006764 (2026); Medicare Claims Processing Manual ch. 12, §20.4.2; CMS MLN909188 and MLN908628 (2025); CMS APCM page (2026); Noridian (2025); AAPC. Rules vary by contractor and payer.

Wellness visits, cognitive care and advance care planning

The CMS Annual Wellness Visit page allows G0438 or G0439 once in 12 months, never within 12 months of the IPPE, and every AWV includes a check for cognitive impairment. A separate problem visit that day takes modifier 25. Medicare does not cover routine physicals, per CMS’s wellness visits page; our ABN guide covers written notices.

The CMS cognitive assessment page describes 99483 as a full assessment and care plan, typically about 60 minutes with the patient and an independent historian. Per the CMS advance care planning fact sheet (March 2026), 99497 starts at 16 minutes and has no frequency limit. The deductible and coinsurance are waived once a year when it is billed with modifier 33 on the same claim as a same-day AWV by the same provider. See our palliative care CPT codes guide.

Home and nursing facility visits

CMS’s E/M booklet confirms that since 2023 one home or residence code family covers homes, assisted living and group homes, replacing the domiciliary codes. Medicare’s own prolonged-time codes are G0318 at home and G0317 in a nursing facility. Skilled nursing facility (SNF) visits can be split or shared if they meet the rules; nursing facility visits cannot.

The Medicare Claims Processing Manual uses POS 31 for SNF Part A residents and POS 32 for nursing facility and SNF Part B residents. Under 42 CFR 483.30, a physician sees each resident at least every 30 days for the first 90 days, then every 60 days; in SNFs, later visits may alternate with an NP, PA or clinical nurse specialist.

Care management between visits

The CMS chronic care management booklet (June 2025) requires two or more chronic conditions expected to last at least 12 months or until death; 99490 covers the first 20 minutes of clinical staff time in a month. Consent must be documented, and one practitioner bills CCM per month. Advanced Primary Care Management (G0556–G0558) pays monthly without counting minutes. See our chronic care management coding guide.

Transitional care management needs contact within 2 business days of discharge, per CMS’s transitional care management booklet (August 2025). The visit must happen within 14 days for 99495, or 7 days for the high-complexity 99496, with medications reconciled by then. One practitioner reports TCM per 30-day period.

Diagram of transitional care management steps from discharge alert and 2-business-day contact to visit and claim review
How a hospital or SNF discharge becomes a payable transitional care management claim.

Patients who have elected hospice

A hospice election waives Part B payment for care of the terminal illness, except the attending physician’s professional services, per Chapter 11 of the Claims Processing Manual. Noridian, a Medicare contractor, uses GV for an attending physician not employed or paid under agreement by the hospice and GW for unrelated services; other contractors may differ. See our hospice modifiers GV and GW guide.

Medicare Advantage, dual-eligible and hospice checks before every visit

Check coverage at every visit, not once a year. Older adults switch plans, gain Medicaid or elect hospice, and each change moves who pays and what needs approval.

Medicare.gov explains the timing. Open Enrollment changes (October 15 to December 7) start January 1, and from January 1 to March 31 Medicare Advantage members can switch plans or return to Original Medicare.

CMS’s 2024 Medicare Advantage final rule fact sheet (April 2023) says plans must follow Original Medicare’s coverage decisions for basic benefits and keep approvals valid while treatment is medically necessary. Coordinated care plans must give members who switch plans mid-treatment at least 90 days before requiring new approval for that course. Since January 1, 2026, the CMS-0057-F rule has required MA, Medicaid and CHIP plans to decide standard requests within seven calendar days and expedited ones within 72 hours.

Denials are worth appealing. In KFF’s analysis of 2024 data (January 2026), MA insurers denied 7.7% of 52.8 million prior authorization determinations in full or in part. Only 11.5% of denials were appealed, and 80.7% of appeals were partly or fully overturned.

Bar chart of KFF 2024 Medicare Advantage prior authorization data: share denied, denials appealed and appeals overturned
Each bar uses a different base: all requests, all denials, then all appeals. All MA services, not geriatrics alone.

Dual-eligible patients and crossover claims

CMS’s QMB billing fact sheet (September 2025) says no Medicare or Medicare Advantage provider may bill a Qualified Medicare Beneficiary for Medicare deductibles, coinsurance or copayments, even when Medicaid pays nothing. You may bill the state Medicaid program, and nearly all states use an electronic crossover system.

When family members join the visit, HHS treats a person with a health care power of attorney as the patient’s personal representative. Our VMAs note who that is.

Pre-visit checklist: coverage, approval and timing rules our VMAs check for older adults
RuleSourceWhat the VMA checks before the visit
Open Enrollment changes start January 1; MA members can switch or leave January 1 to March 31Medicare.govPlan type re-checked at every visit, especially in the first quarter
MA plans follow Original Medicare coverage decisions; 90-day transition for new members in treatmentCMS-4201-F fact sheet (2023)The plan’s approval list; plan start date
MA, Medicaid and CHIP plans decide in 72 hours (expedited) or 7 calendar days (standard)CMS-0057-F; in effect January 1, 2026Request and due dates logged; follow-up on the due date
QMB patients may not be billed Medicare cost sharingCMS MLN7936176 (2025)QMB status flagged; statements held
CCM and APCM need documented consent; one practitioner bills per monthCMS MLN909188 (2025); CMS APCM page (2026)Consent on file; patient asked whether another office manages their care
TCM needs contact within 2 business days of dischargeCMS MLN908628 (2025)Discharge date, call attempts and contact recorded
Hospice election changes who pays for care of the terminal illnessClaims Processing Manual ch. 11Hospice election and attending physician noted

Sources: Medicare.gov (2026); CMS-4201-F (2023) and CMS-0057-F (2024) fact sheets; CMS MLN7936176, MLN909188 and MLN908628 (2025); CMS APCM page (2026); Medicare Claims Processing Manual ch. 11. Always check the member’s current plan.

For the general approval workflow, read our prior authorization guide for providers.

See what missed visits and denials cost you

Enter your claim volume and denial rate to estimate what your geriatric practice is losing.

Open the Revenue Calculator

Growing a geriatric practice through families and referral partners

Geriatric growth comes from adult children searching for a doctor and from hospitals, facilities and home health agencies that refer. Tracking on your site still has to respect HIPAA.

We build pages for your house call areas and facilities, plain pages on wellness visits and memory concerns, and a referral path for discharge planners. Review replies never confirm anyone is a patient.

HHS guidance on online tracking says tools on appointment pages may collect protected health information, tracking vendors that handle that information need a Business Associate Agreement, and cookie banners are not HIPAA authorizations. A 2024 court order vacated part of that guidance; we still keep tracking off forms unless the vendor signs a BAA.

  • Family KPIs: new-patient calls by source; booked first visits.
  • Referral KPIs: referrals by facility or discharge planner; days from referral to first visit.

In-house team, billing-only vendor or four-pillar partner?

Stay in-house if your staff already track care management time, discharge calls and plan changes well. Use a billing-only vendor if claims are your only gap. Choose a combined partner when problems start at the front desk and end as denials.

Decision table: which model fits a geriatric practice?
JobIn-house teamBilling-only vendorFour-pillar partner (RCM Finder)
Coverage checks (MA, Medicaid, hospice)Front desk, between callsOften left to the practiceVMA checks before every visit
Care management time and consentNurse logs, often incompleteBilled from what the practice reportsClaims held if time or consent is missing
Discharge calls for TCMWhoever sees the alertNot includedVMA logs contact within 2 business days
House call and facility chargesPaper notes, late entryCoded after the factChecked by setting and place of service
Family and referral growthA separate agency, or nobodyNot includedMarketing tied to booked first visits
Cost structureSalaries, benefits, turnoverVaries; ask how fees are setQuoted after a free practice audit

How it works

We start with a free audit and change nothing until you see the findings. We build our billing pipeline around how claims actually move through a practice: registration, charge entry, submission, payment and follow-up. For geriatrics, we add the checks on this page.

  1. 1

    Free practice audit

    We review recent wellness, care management, home and facility claims, denials and eligibility logs.

  2. 2

    Business Associate Agreement and access

    We put a Business Associate Agreement in place before accessing patient data. Then we work inside your existing EHR (for example PrognoCIS, eClinicalWorks or athenahealth).

  3. 3

    Payer-rule map

    Your main plans and your Medicare contractor’s guidance become a pre-visit checklist and portal rules.

  4. 4

    Front desk and billing go live

    VMAs check coverage, log consents and make discharge calls. Claims are scrubbed, submitted and worked through denials, crossovers and A/R.

  5. 5

    Weekly KPI review

    We review denials by reason, A/R days, wellness visits and on-time discharge contacts.

Talk to us about your geriatric practice

Tell us where you see patients and your hardest plan. We will tell you honestly whether we fit.

Call +1 (302) 556-2288

Compliance: what to ask any geriatric billing company

Any billing vendor that handles your patients’ data is a HIPAA business associate. Get a Business Associate Agreement before access, and ask how access is limited and logged.

HHS guidance lists billing and claims processing as business associate work; subcontractors need their own agreement. The minimum necessary standard limits each use to what the task needs. The Security Rule’s technical safeguards cover access control, audit controls, integrity, person or entity authentication and transmission security.

  1. Will you and your subcontractors sign a Business Associate Agreement before any access?
  2. How do you limit access, and can we see the audit log?
  3. What coding credential and geriatric experience do your coders have?
  4. How do you track care management time, consents and discharge dates?
  5. How do you keep statements from reaching QMB patients?
  6. Can we export our data if we leave?

We use role-based access, audit logging and encrypted (HTTPS) connections, and we put a Business Associate Agreement in place before accessing patient data. For your own side, use our HIPAA compliance checklist for medical practices.

Who this is for, and who it is not for

We would rather tell you now than after you sign. Here is where we fit and where we do not.

A good fit if you are

  • Geriatric and senior primary care practices with mostly Medicare or Medicare Advantage patients
  • House call programs and practices that visit assisted living communities
  • Groups that round in skilled nursing and nursing facilities
  • Practices running care management, wellness and advance care planning programs
  • Billing companies serving geriatric clients that want a shared claims portal

Probably not a fit if you are

  • Hospital- or facility-employed clinicians whose employer controls billing
  • Practices that want claims billed without changing any front-desk step
  • Practices looking for promised collection rates; we report measured KPIs
  • Groups that need a credentialing module or in-portal real-time eligibility today (coming next)

Expert recommendations from our operations team

What we would do first if we were running your practice's revenue cycle tomorrow.

  1. 01

    Check coverage at every visit

    Plan type, Medicaid status and hospice election change mid-year. We re-check each one before every visit.

  2. 02

    Make the discharge call first

    Transitional care management fails without timely contact. We build the call list from discharge alerts the day they arrive.

  3. 03

    Keep consent and minutes together

    Care management claims need documented consent and time counted once. We keep both where billing can see them.

  4. 04

    Plan the wellness visit around same-day rules

    The AWV, cognitive assessment and advance care planning each have same-day limits. We decide what fits before the visit is booked.

  5. 05

    Code the setting, not only the service

    Home, assisted living, SNF and nursing facility visits use different codes and places of service. We map each provider’s sites first.

  6. 06

    Treat QMB status as a billing stop

    We flag QMB patients so no statement goes out for Medicare cost sharing, and we follow the Medicaid crossover instead.

Frequently asked questions

What do geriatric billing services include?

They cover coding support, claim scrubbing, submission, denial management and A/R follow-up for the services older adults use most: Annual Wellness Visits, cognitive assessments, advance care planning, home and nursing facility visits, care management and transitional care. A good partner also checks Medicare Advantage, Medicaid and hospice status before each visit. We add front-desk assistants, family-focused marketing and a claims portal, so one team owns the process from first call to payment.

Can we bill advance care planning with an Annual Wellness Visit?

Yes. CMS waives the patient’s deductible and coinsurance for advance care planning once a year when it happens on the same day, by the same provider, as a covered AWV and is billed with modifier 33 on the same claim. The first code needs at least 16 minutes. If the AWV is denied for falling inside the once-a-year limit, cost sharing applies to the planning service.

Can 99483 be billed on the same day as other services?

It can be billed with an Annual Wellness Visit using modifier 25. CMS lists services that cannot be billed on the same day as 99483, including office visits (99202–99215), home or residence visits (99341–99350) and advance care planning (99497, 99498). An independent historian must be present, and Part B cost sharing applies.

Which codes do we use for visits in assisted living?

Since 2023, Medicare uses one family of home or residence codes for visits in a patient’s home, an assisted living facility, a group home or a custodial care facility. The old domiciliary and rest home codes were removed. Use the place of service that matches the setting, such as 12 for a home or 13 for assisted living, and G0318 for Medicare prolonged time.

Do Medicare Advantage plans have to follow Medicare’s coverage rules?

For basic benefits, yes. CMS’s 2024 Medicare Advantage rule requires plans to follow Original Medicare’s national and local coverage decisions, and an approval must stay valid as long as the treatment is medically necessary. Since January 1, 2026, MA plans must decide standard prior authorization requests within seven calendar days and expedited ones within 72 hours. Plans still keep their own approval lists and networks, so check each plan.

Can we bill a QMB patient for coinsurance?

No. CMS says no Medicare or Medicare Advantage provider may bill a Qualified Medicare Beneficiary for Medicare deductibles, coinsurance or copayments, even if Medicaid pays nothing and even if you do not accept Medicaid. The patient cannot choose to pay. You may bill the state Medicaid program, and nearly all states take part in an electronic crossover system.

No cost, no commitment

Get your free practice audit

Tell us about your practice. A member of our operations team replies within one business day.

  • A review of your recent claims, denials and A/R aging
  • Where your front desk and prior authorizations slow payment
  • A prioritized fix list you keep, whether or not you hire us

Pricing is quoted after the audit, based on your volume and the services you choose. Prefer to talk? Call +1 (302) 556-2288.

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About the author: Awais Afzal

Healthcare Operations & Data Analyst, RCM Finder

Awais has spent more than 16 years in healthcare digital marketing and clinical operations management. He builds data-driven revenue cycle blueprints for high-ticket medical practices and leads product development of the RCM Finder portal. More about our team.

How we write: every figure, code and rule on this page was checked against the primary source listed below and independently fact-checked before publishing. We re-review this page every six months. Last reviewed October 12, 2026; next review April 12, 2027.

Sources

  1. Medicare Advantage in 2026: Enrollment Update and Key Trends — KFF (2026 (published June 5, 2026; updated July 1, 2026))
  2. Medicare Advantage Insurers Made Nearly 53 Million Prior Authorization Determinations in 2024 — KFF (2026 (published January 28, 2026))
  3. Calendar Year (CY) 2026 Medicare Physician Fee Schedule Final Rule (CMS-1832-F) fact sheet — CMS (2025 (October 31, 2025))
  4. Calendar Year (CY) 2027 Medicare Physician Fee Schedule Proposed Rule fact sheet — CMS (2026 (July 14, 2026))
  5. Evaluation and Management Services (MLN006764) — CMS Medicare Learning Network (2026 (May 2026))
  6. GUIDE (Guiding an Improved Dementia Experience) Model — CMS Innovation Center (accessed 2026-10-10 (page modified 08/11/2026))
  7. Annual Wellness Visit — CMS (2026 (page modified 04/09/2026))
  8. Medicare Wellness Visits — CMS Medicare Learning Network (2026 (page modified 04/08/2026))
  9. Cognitive Assessment & Care Plan Services — CMS (2026 (page modified 10/07/2026))
  10. Advance Care Planning (MLN909289) — CMS Medicare Learning Network (2026 (March 2026))
  11. Medicare Claims Processing Manual, Chapter 12: Physicians/Nonphysician Practitioners — CMS (2026 (Rev. 13753, issued 05-07-26))
  12. 42 CFR 483.30 Physician services — eCFR (current (up to date as of 10/05/2026))
  13. Chronic Care Management Services (MLN909188) — CMS Medicare Learning Network (2025 (June 2025))
  14. Advanced Primary Care Management Services — CMS (2026 (page modified 01/26/2026))
  15. Transitional Care Management Services (MLN908628) — CMS Medicare Learning Network (2025 (August 2025))
  16. Medicare Claims Processing Manual, Chapter 11: Processing Hospice Claims — CMS (2025 (Rev. 13190, issued 04-24-25))
  17. Modifier GV — Noridian Healthcare Solutions (Medicare contractor, JF Part B) (2025 (updated May 12, 2025))
  18. Modifier GW — Noridian Healthcare Solutions (Medicare contractor, JF Part B) (2025 (updated May 12, 2025))
  19. Joining a plan — Medicare.gov (CMS) (accessed 2026-10-10)
  20. 2024 Medicare Advantage and Part D Final Rule (CMS-4201-F) fact sheet — CMS (2023 (April 5, 2023))
  21. CMS Interoperability and Prior Authorization Final Rule (CMS-0057-F) fact sheet — CMS (2024 (January 17, 2024))
  22. Prohibition on Billing Qualified Medicare Beneficiaries (MLN7936176) — CMS Medicare Learning Network (2025 (September 2025))
  23. Personal Representatives — HHS Office for Civil Rights (undated (accessed 2026-10-10))
  24. Use of Online Tracking Technologies by HIPAA Covered Entities and Business Associates — HHS Office for Civil Rights (2024 (content last reviewed June 26, 2024))
  25. Business Associates — HHS Office for Civil Rights (undated (accessed 2026-10-10))
  26. Minimum Necessary Requirement — HHS Office for Civil Rights (undated (accessed 2026-10-10))
  27. 45 CFR 164.312 Technical safeguards — eCFR (current (up to date as of 10/07/2026))
  28. CPT 99304 code summary — AAPC (secondary; used for plain-language code meaning only) (accessed 2026-10-10)
  29. CPT 99307 code summary — AAPC (secondary; used for plain-language code meaning only) (accessed 2026-10-10)
  30. CPT 99315 code summary — AAPC (secondary; used for plain-language code meaning only) (accessed 2026-10-10)
  31. CPT 99341 code summary — AAPC (secondary; used for plain-language code meaning only) (accessed 2026-10-10)
  32. CPT 99347 code summary — AAPC (secondary; used for plain-language code meaning only) (accessed 2026-10-10)
  33. CPT 99424 code summary — AAPC (secondary; used for plain-language code meaning only) (accessed 2026-10-10)