Alphabetic Index FY2027

M15

Polyosteoarthritis

FY2027Chapter 13: Diseases of the musculoskeletal system and connective tissue/M15–M19 Osteoarthritis

Non-billable headerNot valid on its own. Use one of the more specific codes under it.

M15 is a non-billable ICD-10-CM code category for polyosteoarthritis. Report a more specific code from it instead. It is part of the FY2027 code set, effective October 1, 2026. The more specific codes under it are M15.0 Primary generalized (osteo)arthritis, M15.1 Heberden's nodes (with arthropathy), M15.2 Bouchard's nodes (with arthropathy), M15.3 Secondary multiple arthritis and 3 more. Its coding notes include 1 Excludes1 entry and 11 Excludes2 entries.

Excludes1

Not coded here. The listed conditions generally should not be reported together.

This code
  • bilateral involvement of single joint (M16-M19)

Excludes2

Not included here. Both codes may be reported if the patient has both conditions.

Also from chapter/block level (11 notes)
Inherited from M15–M19 Osteoarthritis
  • osteoarthritis of spine (M47.-)
Inherited from Chapter 13 Diseases of the musculoskeletal system and connective tissue
  • 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)

Includes

Further defines or gives examples of the content of the category.

This code
  • arthritis of multiple sites

Notes

Also from chapter/block level (1 note)
Inherited from Chapter 13 Diseases of the musculoskeletal system and connective tissue
  • Use an external cause code following the code for the musculoskeletal condition, if applicable, to identify the cause of the musculoskeletal condition

More specific codes under M15 7