M15 — Polyosteoarthritis
Is M15 billable?
No — M15 is a non-billable header code. M15 groups more specific codes and cannot be submitted on a claim. A valid ICD-10-CM code must be reported at the highest level of specificity available in its branch. Select one of the 7 billable codes beneath M15.
M15 at a glance
| Code | M15 |
|---|---|
| Description | Polyosteoarthritis |
| Billable | No — header code |
| Code set | ICD-10-CM FY2027 |
| Valid for encounters | October 1, 2026 – September 30, 2027 |
Excludes1 — never code together
The conditions below can never be reported together with M15 on the same claim. An Excludes1 note means the two conditions cannot occur in the same patient, so reporting both is a coding error.
- bilateral involvement of single joint (M16-M19)
Includes
Conditions classified to M15.
- arthritis of multiple sites
Excludes2 — not included here — inherited from Chapter 13
The conditions below are not part of M15, but a patient may have both at the same time. When documentation supports it, M15 and the excluded code may both be reported.
- arthropathic psoriasis (L40.5-)
- certain conditions originating in the perinatal period (P04-P96)
- certain infectious and parasitic diseases (A00-B99)
- compartment syndrome (traumatic) (T79.A-)
- complications of pregnancy, childbirth and the puerperium (O00-O9A)
- congenital malformations, deformations, and chromosomal abnormalities (Q00-Q99)
- endocrine, nutritional and metabolic diseases (E00-E88)
- injury, poisoning and certain other consequences of external causes (S00-T88)
- neoplasms (C00-D49)
- symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94)
Excludes2 — not included here — inherited from M15-M19
The conditions below are not part of M15, but a patient may have both at the same time. When documentation supports it, M15 and the excluded code may both be reported.
- osteoarthritis of spine (M47.-)
What codes fall under M15? (7)
How long has M15 existed?
M15 has been in ICD-10-CM since at least FY2016, the earliest fiscal year on record here.
Derived from the official order files for FY2016–FY2026. FY2017 and FY2020 publish no order file, so those years are not covered.