Medical Coding Guides
Free reference guides covering every area of medical coding — ICD-10, CPT, HCPCS, billing, and specialty coding.
Comprehensive medical coding guides covering ICD-10, CPT, and HCPCS codes — plus free AI-powered code generation tools for automated billing. Whether you're learning medical billing and coding online or streamlining your practice's revenue cycle, our resources cover everything from basic code structure to advanced AI automation. Designed for US healthcare providers, medical billing companies, and certified coders, these guides explain diagnosis coding, procedure coding, modifiers, denial management, and specialty-specific coding rules. Use our free AI code generator to automate routine coding tasks and improve accuracy.
AI-Powered Medical Coding Guides
Explore our comprehensive collection of coding guides, now enhanced with AI-generated code suggestions and automated mapping tools.
| Topic | URL | Publish Date | Status |
|---|---|---|---|
| ICD-10 Codes | /medical-coding/icd-10-codes | — | Live |
| CPT Codes | /medical-coding/cpt-codes | — | Live |
| HCPCS Codes | /medical-coding/hcpcs-codes | — | Live |
| Medical Billing | /medical-coding/medical-billing | — | Live |
| E/M Coding | /medical-coding/em-coding | — | Live |
| Medical Coding Modifiers | /medical-coding/modifiers | — | Live |
| AI Medical Coding | /medical-coding/ai-medical-coding | Mar 30, 2026 | Live |
| AI Medical Code Generator | /medical-coding/ai-code-generator | Mar 30, 2026 | Live |
| DRG Codes | /medical-coding/drg-codes | Mar 31, 2026 | Live |
| Revenue Codes | /medical-coding/revenue-codes | Mar 31, 2026 | Live |
| Place of Service Codes | /medical-coding/place-of-service-codes | Apr 7, 2026 | Live |
| NDC Codes | /medical-coding/ndc-codes | Apr 7, 2026 | Live |
| Medical Billing Denial Codes | /medical-coding/medical-billing-denial-codes | Apr 14, 2026 | Live |
| Anesthesia Coding | /medical-coding/anesthesia-coding | Apr 14, 2026 | Live |
ICD-10 Code Library
Browse our comprehensive ICD-10-CM code library with detailed coding guidelines, clinical information, documentation requirements, and real-world examples for each diagnosis code.
Browse ICD-10 Codes →Free Code Generation Tools
Automate your medical coding workflow with our AI-powered tools — generate ICD-10, CPT, and HCPCS codes from clinical notes in seconds.