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Medical Coding (ICD-10, CPT, & Modifiers)
Plain-English guides to ICD-10, CPT and HCPCS coding, modifiers, and the payer rules that decide whether a claim pays. Written for practice managers, coders and billers.
102 guides
Chest Pain ICD-10 Codes: R07.9, R07.89 and R07.1 Explained
Which R07 code fits a chest pain visit, when R07.9 is correct, and when a confirmed diagnosis replaces the symptom code. Updated for the FY 2027 guidelines.
99213 CPT Code: Level 3 Office Visit, MDM, Time and Notes
The 99213 CPT code is a low-MDM or 20-minute established-patient office visit. Here is how to choose it, document it, avoid denials and read 2026 payment data.
96372 CPT Code: Injection Billing Rules, Modifiers and Denials
The 96372 CPT code reports one subcutaneous or intramuscular injection. Here is when it is billable, how it pairs with E/M visits, how JW and JZ work on the drug...
90846 CPT Code: The Real Rules for “Family Therapy Without Patient
Stop getting denials for the 90846 CPT code. Learn the exact time rules, documentation hacks, and how to tell it apart from 90847 so you actually get paid.
2024 CPT Code Updates: Essential Changes for Healthcare Providers
Explore the essential 2024 CPT code updates, including new codes, modifications, and their impact on medical billing.
2017 CPT Changes for Ambulatory Surgery Centers: What You Need to Know
Discover key 2017 CPT changes impacting ambulatory surgery centers and how they improve billing accuracy and reimbursement rates.
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