| Code | Description | Lateralization (Box 21) |
| M25.511 | Pain in Right Shoulder | Ensure Box 24E pointers are accurate. |
| M25.562 | Pain in Left Knee | Matches specific anatomical site requirements. |
| M62.81 | Muscle Weakness (Generalized) | Foundational for functional rehab billing. |
| R26.2 | Difficulty in Walking (Gait) | Required for many Medicare rehab claims. |
| Z47.1 | Aftercare (Joint Replacement) | Primary Z-code for post-surgical rehab. |
| M79.7 | Fibromyalgia | Use for chronic pain management cases. |
