M15: Polyosteoarthritis
Codes under M15 (Polyosteoarthritis). A ✓ marks a billable (fully specified) code; category codes without a ✓ are not billable on their own.
| Code | Description | Billable |
|---|---|---|
| M15.0 | Primary generalized (osteo)arthritis | ✓ |
| M15.0 | Primary generalized (osteo)arthritis | ✓ |
| M15.1 | Heberden's nodes (with arthropathy) | ✓ |
| M15.1 | Heberden's nodes (with arthropathy) | ✓ |
| M15.2 | Bouchard's nodes (with arthropathy) | ✓ |
| M15.2 | Bouchard's nodes (with arthropathy) | ✓ |
| M15.3 | Secondary multiple arthritis | ✓ |
| M15.3 | Secondary multiple arthritis | ✓ |
| M15.4 | Erosive (osteo)arthritis | ✓ |
| M15.4 | Erosive (osteo)arthritis | ✓ |
| M15.8 | Other polyosteoarthritis | ✓ |
| M15.8 | Other polyosteoarthritis | ✓ |
| M15.9 | Polyosteoarthritis, unspecified | ✓ |
| M15.9 | Polyosteoarthritis, unspecified | ✓ |
Frequently asked questions
What is ICD-10-CM code M15?
M15 is an ICD-10-CM category covering Polyosteoarthritis. It contains 14 more specific diagnosis codes, 14 of which are billable.
Is M15 a billable code?
No — M15 is a category header and isn't billable on its own. Code to the highest level of specificity using one of its subcodes (for example M15.0 — Primary generalized (osteo)arthritis). 14 of the 14 codes under M15 are billable.
What codes fall under M15?
M15 includes M15.0, M15.0, M15.1, M15.1, M15.2, plus 9 more. See the full list with descriptions and billable status above.
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Informational only, not coding or medical advice. Verify against the official ICD-10-CM (FY2026) and your payer's guidelines.
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