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.
Place of Service (POS) Codes Guide: 11, 21, 22, 23 & 49 (2026)
Learn how Place of Service (POS) codes document where care was provided, so your billing stays accurate and compliant.
Guidelines for Coding Pathology and Laboratory Services
Master the art of coding pathology and laboratory services. Learn how to accurately document, code, and bill complex diagnostic procedures.
Understanding Advance Beneficiary Notices (ABNs)
Advance Beneficiary Notices explained: when an ABN is required, how to complete it, and the modifiers that go with it on Medicare claims.
Medical Coding Signs & Symptoms in Diseases
Master the art of coding signs in medical coding. Learn how to accurately document and code patient conditions when a definitive diagnosis is uncertain.
ICD-10 External Cause Codes for Medical Coding
Learn how to use ICD-10 external cause codes for accurate medical coding of injuries. Discover key guidelines and examples.
Time Management for the AAPC CPC Exam
Master time management for the AAPC CPC exam. Learn essential strategies to maximize your time, improve efficiency, and increase your chances of success.
Medical Coding Salaries
Understanding medical coding salaries. Learn about factors influencing pay, average salaries, and tips for negotiating competitive compensation.
Medical Coding Emergency Department ER’s
Understanding medical coding for emergency departments. Learn how to accurately document, code, and bill complex ED cases.
Process of Elimination for the AAPC CPC Exam
Master the process of elimination for the AAPC CPC exam. Learn how to efficiently narrow down answer choices and improve your chances of success.