ICD-10-CM category
M19: Other and unspecified osteoarthritis
Codes under M19 (Other and unspecified osteoarthritis). A ✓ marks a billable (fully specified) code; category codes without a ✓ are not billable on their own.
| Code | Description | Billable |
|---|---|---|
| M19.0 | Primary osteoarthritis of other joints | — |
| M19.0 | Primary osteoarthritis of other joints | — |
| M19.01 | Primary osteoarthritis, shoulder | — |
| M19.01 | Primary osteoarthritis, shoulder | — |
| M19.1 | Post-traumatic osteoarthritis of other joints | — |
| M19.1 | Post-traumatic osteoarthritis of other joints | — |
| M19.02 | Primary osteoarthritis, elbow | — |
| M19.02 | Primary osteoarthritis, elbow | — |
| M19.2 | Secondary osteoarthritis of other joints | — |
| M19.2 | Secondary osteoarthritis of other joints | — |
| M19.03 | Primary osteoarthritis, wrist | — |
| M19.03 | Primary osteoarthritis, wrist | — |
| M19.04 | Primary osteoarthritis, hand | — |
| M19.04 | Primary osteoarthritis, hand | — |
| M19.07 | Primary osteoarthritis ankle and foot | — |
| M19.07 | Primary osteoarthritis ankle and foot | — |
| M19.09 | Primary osteoarthritis, other specified site | ✓ |
| M19.09 | Primary osteoarthritis, other specified site | ✓ |
| M19.9 | Osteoarthritis, unspecified site | — |
| M19.9 | Osteoarthritis, unspecified site | — |
| M19.011 | Primary osteoarthritis, right shoulder | ✓ |
| M19.011 | Primary osteoarthritis, right shoulder | ✓ |
| M19.11 | Post-traumatic osteoarthritis, shoulder | — |
| M19.11 | Post-traumatic osteoarthritis, shoulder | — |
| M19.012 | Primary osteoarthritis, left shoulder | ✓ |
| M19.012 | Primary osteoarthritis, left shoulder | ✓ |
| M19.12 | Post-traumatic osteoarthritis, elbow | — |
| M19.12 | Post-traumatic osteoarthritis, elbow | — |
| M19.13 | Post-traumatic osteoarthritis, wrist | — |
| M19.13 | Post-traumatic osteoarthritis, wrist | — |
| M19.14 | Post-traumatic osteoarthritis, hand | — |
| M19.14 | Post-traumatic osteoarthritis, hand | — |
| M19.17 | Post-traumatic osteoarthritis, ankle and foot | — |
| M19.17 | Post-traumatic osteoarthritis, ankle and foot | — |
| M19.019 | Primary osteoarthritis, unspecified shoulder | ✓ |
| M19.019 | Primary osteoarthritis, unspecified shoulder | ✓ |
| M19.19 | Post-traumatic osteoarthritis, other specified site | ✓ |
| M19.19 | Post-traumatic osteoarthritis, other specified site | ✓ |
| M19.021 | Primary osteoarthritis, right elbow | ✓ |
| M19.021 | Primary osteoarthritis, right elbow | ✓ |
| M19.21 | Secondary osteoarthritis, shoulder | — |
| M19.21 | Secondary osteoarthritis, shoulder | — |
| M19.022 | Primary osteoarthritis, left elbow | ✓ |
| M19.022 | Primary osteoarthritis, left elbow | ✓ |
| M19.22 | Secondary osteoarthritis, elbow | — |
| M19.22 | Secondary osteoarthritis, elbow | — |
| M19.23 | Secondary osteoarthritis, wrist | — |
| M19.23 | Secondary osteoarthritis, wrist | — |
| M19.24 | Secondary osteoarthritis, hand | — |
| M19.24 | Secondary osteoarthritis, hand | — |
| M19.27 | Secondary osteoarthritis, ankle and foot | — |
| M19.27 | Secondary osteoarthritis, ankle and foot | — |
| M19.029 | Primary osteoarthritis, unspecified elbow | ✓ |
| M19.029 | Primary osteoarthritis, unspecified elbow | ✓ |
| M19.29 | Secondary osteoarthritis, other specified site | ✓ |
| M19.29 | Secondary osteoarthritis, other specified site | ✓ |
| M19.031 | Primary osteoarthritis, right wrist | ✓ |
| M19.031 | Primary osteoarthritis, right wrist | ✓ |
| M19.032 | Primary osteoarthritis, left wrist | ✓ |
| M19.032 | Primary osteoarthritis, left wrist | ✓ |
| M19.039 | Primary osteoarthritis, unspecified wrist | ✓ |
| M19.039 | Primary osteoarthritis, unspecified wrist | ✓ |
| M19.041 | Primary osteoarthritis, right hand | ✓ |
| M19.041 | Primary osteoarthritis, right hand | ✓ |
| M19.042 | Primary osteoarthritis, left hand | ✓ |
| M19.042 | Primary osteoarthritis, left hand | ✓ |
| M19.049 | Primary osteoarthritis, unspecified hand | ✓ |
| M19.049 | Primary osteoarthritis, unspecified hand | ✓ |
| M19.071 | Primary osteoarthritis, right ankle and foot | ✓ |
| M19.071 | Primary osteoarthritis, right ankle and foot | ✓ |
| M19.072 | Primary osteoarthritis, left ankle and foot | ✓ |
| M19.072 | Primary osteoarthritis, left ankle and foot | ✓ |
| M19.079 | Primary osteoarthritis, unspecified ankle and foot | ✓ |
| M19.079 | Primary osteoarthritis, unspecified ankle and foot | ✓ |
| M19.90 | Unspecified osteoarthritis, unspecified site | ✓ |
| M19.90 | Unspecified osteoarthritis, unspecified site | ✓ |
| M19.91 | Primary osteoarthritis, unspecified site | ✓ |
| M19.91 | Primary osteoarthritis, unspecified site | ✓ |
| M19.92 | Post-traumatic osteoarthritis, unspecified site | ✓ |
| M19.92 | Post-traumatic osteoarthritis, unspecified site | ✓ |
| M19.93 | Secondary osteoarthritis, unspecified site | ✓ |
| M19.93 | Secondary osteoarthritis, unspecified site | ✓ |
| M19.111 | Post-traumatic osteoarthritis, right shoulder | ✓ |
| M19.111 | Post-traumatic osteoarthritis, right shoulder | ✓ |
| M19.112 | Post-traumatic osteoarthritis, left shoulder | ✓ |
| M19.112 | Post-traumatic osteoarthritis, left shoulder | ✓ |
| M19.119 | Post-traumatic osteoarthritis, unspecified shoulder | ✓ |
| M19.119 | Post-traumatic osteoarthritis, unspecified shoulder | ✓ |
| M19.121 | Post-traumatic osteoarthritis, right elbow | ✓ |
| M19.121 | Post-traumatic osteoarthritis, right elbow | ✓ |
| M19.122 | Post-traumatic osteoarthritis, left elbow | ✓ |
| M19.122 | Post-traumatic osteoarthritis, left elbow | ✓ |
| M19.129 | Post-traumatic osteoarthritis, unspecified elbow | ✓ |
| M19.129 | Post-traumatic osteoarthritis, unspecified elbow | ✓ |
| M19.131 | Post-traumatic osteoarthritis, right wrist | ✓ |
| M19.131 | Post-traumatic osteoarthritis, right wrist | ✓ |
| M19.132 | Post-traumatic osteoarthritis, left wrist | ✓ |
| M19.132 | Post-traumatic osteoarthritis, left wrist | ✓ |
| M19.139 | Post-traumatic osteoarthritis, unspecified wrist | ✓ |
| M19.139 | Post-traumatic osteoarthritis, unspecified wrist | ✓ |
| M19.141 | Post-traumatic osteoarthritis, right hand | ✓ |
| M19.141 | Post-traumatic osteoarthritis, right hand | ✓ |
| M19.142 | Post-traumatic osteoarthritis, left hand | ✓ |
| M19.142 | Post-traumatic osteoarthritis, left hand | ✓ |
| M19.149 | Post-traumatic osteoarthritis, unspecified hand | ✓ |
| M19.149 | Post-traumatic osteoarthritis, unspecified hand | ✓ |
| M19.171 | Post-traumatic osteoarthritis, right ankle and foot | ✓ |
| M19.171 | Post-traumatic osteoarthritis, right ankle and foot | ✓ |
| M19.172 | Post-traumatic osteoarthritis, left ankle and foot | ✓ |
| M19.172 | Post-traumatic osteoarthritis, left ankle and foot | ✓ |
| M19.179 | Post-traumatic osteoarthritis, unspecified ankle and foot | ✓ |
| M19.179 | Post-traumatic osteoarthritis, unspecified ankle and foot | ✓ |
| M19.211 | Secondary osteoarthritis, right shoulder | ✓ |
| M19.211 | Secondary osteoarthritis, right shoulder | ✓ |
| M19.212 | Secondary osteoarthritis, left shoulder | ✓ |
| M19.212 | Secondary osteoarthritis, left shoulder | ✓ |
| M19.219 | Secondary osteoarthritis, unspecified shoulder | ✓ |
| M19.219 | Secondary osteoarthritis, unspecified shoulder | ✓ |
| M19.221 | Secondary osteoarthritis, right elbow | ✓ |
| M19.221 | Secondary osteoarthritis, right elbow | ✓ |
| M19.222 | Secondary osteoarthritis, left elbow | ✓ |
| M19.222 | Secondary osteoarthritis, left elbow | ✓ |
| M19.229 | Secondary osteoarthritis, unspecified elbow | ✓ |
| M19.229 | Secondary osteoarthritis, unspecified elbow | ✓ |
| M19.231 | Secondary osteoarthritis, right wrist | ✓ |
| M19.231 | Secondary osteoarthritis, right wrist | ✓ |
| M19.232 | Secondary osteoarthritis, left wrist | ✓ |
| M19.232 | Secondary osteoarthritis, left wrist | ✓ |
| M19.239 | Secondary osteoarthritis, unspecified wrist | ✓ |
| M19.239 | Secondary osteoarthritis, unspecified wrist | ✓ |
| M19.241 | Secondary osteoarthritis, right hand | ✓ |
| M19.241 | Secondary osteoarthritis, right hand | ✓ |
| M19.242 | Secondary osteoarthritis, left hand | ✓ |
| M19.242 | Secondary osteoarthritis, left hand | ✓ |
| M19.249 | Secondary osteoarthritis, unspecified hand | ✓ |
| M19.249 | Secondary osteoarthritis, unspecified hand | ✓ |
| M19.271 | Secondary osteoarthritis, right ankle and foot | ✓ |
| M19.271 | Secondary osteoarthritis, right ankle and foot | ✓ |
| M19.272 | Secondary osteoarthritis, left ankle and foot | ✓ |
| M19.272 | Secondary osteoarthritis, left ankle and foot | ✓ |
| M19.279 | Secondary osteoarthritis, unspecified ankle and foot | ✓ |
| M19.279 | Secondary osteoarthritis, unspecified ankle and foot | ✓ |
Frequently asked questions
What is ICD-10-CM code M19?
M19 is an ICD-10-CM category covering Other and unspecified osteoarthritis. It contains 142 more specific diagnosis codes, 104 of which are billable.
Is M19 a billable code?
No — M19 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 M19.0 — Primary osteoarthritis of other joints). 104 of the 142 codes under M19 are billable.
What codes fall under M19?
M19 includes M19.0, M19.0, M19.01, M19.01, M19.1, plus 137 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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