Polyosteoarthritis (M15) ICD-10-CM
The M15 code range covers polyosteoarthritis with 8 ICD-10-CM diagnosis codes. 7 of them are billable and valid for claim submission in fiscal year 2027, and the category headers group them but cannot themselves be billed.
Includes
This note appears immediately under a three character code title to further define, or give examples of, the content of the category.
- arthritis of multiple sites
Type 1 Excludes
A type 1 excludes note is a pure excludes note. It means "NOT CODED HERE!" An Excludes1 note indicates that the code excluded should never be used at the same time as the code above the Excludes1 note. An Excludes1 is used when two conditions cannot occur together, such as a congenital form versus an acquired form of the same condition.
Codes in the M15 Range 8 codes · 7 billable
About the M15 Code Range
Polyosteoarthritis means osteoarthritis of multiple joints. Its subdivisions distinguish forms of the condition and identify named nodes.
M15.0 identifies primary generalized osteoarthritis, while M15.3 identifies secondary multiple arthritis. M15.1 and M15.2 distinguish Heberden's nodes from Bouchard's nodes, with or without joint disease. M15.4 identifies erosive osteoarthritis. M15.8 and M15.9 cover other and unspecified polyosteoarthritis.
Questions About This Page
How many billable codes are in the M15 range?
Of the 8 codes in this range, 7 are billable and valid for claim submission from October 1, 2026 through September 30, 2027. Category header codes group them but cannot be reported on claims.
What does the M15 range classify?
The range classifies polyosteoarthritis. Each code links to its own reference page with billing status, MS-DRG grouping, coding notes, and clinical information.
Related References
Source: CMS FY 2027 ICD-10-CM Tabular List and order file, effective October 1, 2026 through September 30, 2027.
