📚 Coding Resources & Guides
Free guides, tutorials, and reference articles written for medical coders, billers, and revenue cycle professionals. Updated for CMS FY2026.
HCC Coding
What is HCC Coding? Complete Guide for 2026
Learn how Hierarchical Condition Categories work, what RAF scores mean, and why HCC coding directly impacts Medicare Advantage reimbursement.
⏱ 8 min read · Updated Apr 2026
→
COMING SOON
CC vs MCC in ICD-10 — What's the Difference?
Understanding Complications and Comorbidities vs Major Complications and their impact on MS-DRG assignment and hospital reimbursement.
⏱ ~6 min read
COMING SOON
ICD-10 Codes for Type 2 Diabetes — Complete 2026 List
Every ICD-10-CM code for Type 2 diabetes including complications, manifestations, and HCC mappings with sequencing guidance.
⏱ ~10 min read
COMING SOON
POA Indicator Guide for Hospital Coders
A complete reference for Present on Admission reporting — which codes are exempt, which require indicators, and how POA affects quality metrics.
⏱ ~7 min read
COMING SOON
ICD-9 to ICD-10 Conversion Guide
How to use GEM crosswalk mappings to convert legacy ICD-9 codes, understanding approximate vs exact mappings, and when to query.
⏱ ~8 min read
COMING SOON
Free ICD-10 Lookup Tools Compared — 2026
An honest comparison of the best free ICD-10 reference tools available in 2026 — features, data sources, and what each does best.
⏱ ~5 min read
COMING SOON
DX Sequencing Rules Every Coder Must Know
First-listed vs additional diagnosis rules, manifestation codes, etiology-first sequencing, and how to avoid the most common sequencing errors.
⏱ ~6 min read
