Uncover the World of Medical Coding
Written by Janine Mothershed, CPC, CPC-I, CADS, CAC, Founder and Instructor of Coding Clarified, an AAPC licensed medical coding school. Janine has worked as a medical coder since 2005. Every guideline post here is kept current to the latest code year so you can study and code with confidence.

Cardiac Allograft Transplant Coding in 2026: CPT, ICD-10-CM, ICD-10-PCS, Cardiopulmonary Bypass & Documentation Guide
Cardiac allograft transplant coding for 2026: recipient cardiectomy, donor heart implantation, bypass, complications, and what is reported separately.

Medical Coding for Sinusitis in 2027: ICD-10-CM Codes (FY2027), Odontogenic Sinusitis, CPT Coding, and Documentation Guide
Sinusitis coding for FY2027: J01 and J32 categories, the new odontogenic sinusitis codes J34.830 to J34.839, CPT for sinus procedures, and documentation tips.

Anterior Cervical Discectomy and Fusion (ACDF) Coding in 2026: PEEK Cage, Anterior Plate, CPT, ICD-10-CM, and Documentation Guide
ACDF coding for 2026: when CPT 22551 and 22552 apply, how PEEK cages and anterior plates are reported, and the documentation each code needs.

Swan-Ganz Catheter Coding in 2026: CPT 93503, Right Heart Catheterization, ICD-10-CM, and Documentation Guide
Swan-Ganz catheter coding for 2026: when to use CPT 93503 versus right heart catheterization codes, plus ICD-10-CM and documentation tips.

Normal Spontaneous Vaginal Delivery Coding in 2026: CPT, ICD-10-CM, Placenta Delivery, and Documentation Guide
Normal spontaneous vaginal delivery coding for 2026: global OB codes, placenta delivery, lacerations, outcome of delivery codes and documentation.

Electronic Remittance Advice (ERA) in Medical Billing for 2026: Complete Guide for Medical Coders and Billers
Electronic remittance advice explained for 2026: how the 835 ERA works with EFT, and how to read CARC and RARC codes to post payments and fix denials.

AAPC Practicode in 2026: How to Pass Cases, Improve Your Coding Skills, and Complete Practicode Faster
How to pass AAPC Practicode cases faster in 2026: read the record in the right order, apply coding logic, and avoid guessing when documentation is unclear.

Medical Coding for Skin Neoplasm Excision in 2026: CPT, ICD-10-CM, Shave Removal, and Layered Closure Guide
Skin neoplasm excision coding for 2026: excision versus shave removal, measuring lesion plus margins, when layered closure is separate, and pathology.

Medical Coding for ADHD in 2026
ADHD coding for 2026: F90 diagnosis codes, office visits, medication management, psychological testing and the documentation each service requires.