Crystal's MCW Coder HubOverview
CPT Assistant provides official AMA guidance on CPT code usage.
Access
- Subscription: AMA website or AAPC
- URL: cptcodebook.com
- Alternative: AAPC Knowledge Center
Key Inpatient Topics
E/M Coding
| Topic | Reference |
|---|---|
| 2023 E/M Changes | CPT Assistant 2023 |
| Inpatient E/M | CPT Assistant Jan 2023 |
| Time-Based Coding | CPT Assistant 2021 |
Critical Care
| Topic | Reference |
|---|---|
| Critical Care Definition | CPT Assistant 2020 |
| Bundled Services | CPT Assistant 2019 |
| Time Documentation | CPT Assistant 2021 |
Modifiers
| Topic | Reference |
|---|---|
| Modifier 25 | CPT Assistant 2022 |
| Modifier 57 | CPT Assistant 2020 |
| Split/Shared | CPT Assistant 2024 |
How to Cite
CPT Assistant, [Month Year], [Topic] Example: CPT Assistant, January 2023, Inpatient E/M
Audit Defense
CPT Assistant references can support coding decisions during audits.
Alternative Resources
| Resource | Access | Cost |
|---|---|---|
| CMS MLN | cms.gov | Free |
| MAC Website | Varies | Free |
| AAPC Articles | aapc.com | Membership |
| Specialty Societies | Varies | Varies |
Professional Organizations
- AHA: American Hospital Association
- AAPC: American Academy of Professional Coders
- AHIMA: American Health Information Management Association
- ACP: American College of Physicians
Annual Updates
CPT codes update January 1st annually. Verify current year codes.
00 Inpatient ProFee Coding MOC CMS Medicare Guidelines Inpatient