M15

Non-Billable
ChapterM00–M99
Rankcategory
Official Description

Polyosteoarthritis

Metadata & Insights
  • Non-billable category (requires more specific sub-code).
  • Chapter 13: Diseases of the Musculoskeletal System and Connective Tissue (M00-M99).

CH13 Parent Instructions

Excludes2(Not included here. Code separately if applicable.)
  • 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)

M15-M19 Parent Instructions

Excludes2(Not included here. Code separately if applicable.)
  • osteoarthritis of spine (M47.-)

Instructional Notes

Includes
  • arthritis of multiple sites
Excludes1(Not coded here. Use a different code.)
  • bilateral involvement of single joint (M16-M19)

Clinical Hierarchy

BillableHas subcodes
CH13Diseases of the musculoskeletal system and connective tissue (M00-M99)
M15-M19Osteoarthritis (M15-M19)
M15PolyosteoarthritisNot billable
M15.0Primary generalized (osteo)arthritisBillable
M15.1Heberden's nodes (with arthropathy)Billable
M15.2Bouchard's nodes (with arthropathy)Billable
M15.3Secondary multiple arthritisBillable
M15.4Erosive (osteo)arthritisBillable
M15.8Other polyosteoarthritisBillable
M15.9Polyosteoarthritis, unspecifiedBillable

Applicable Ancestor Context

The following parent sections contain instructions or notes that apply to M15:

blockM15-M19
Osteoarthritis (M15-M19)
View context instructions
chapterCH13
Diseases of the musculoskeletal system and connective tissue (M00-M99)
View context instructions

MS-DRG Classification

2026

No direct MS-DRG triggers identified.

Cross Reference

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