All ICD10 Codes

M17

Non-Billable
ChapterM00–M99
Rankcategory
Official Description

Osteoarthritis of knee

Use a more specific code (5 billable, 2 non-billable)
M17.0Bilateral primary osteoarthritis of kneeM17.1Unilateral primary osteoarthritis of kneehas subcodesM17.2Bilateral post-traumatic osteoarthritis of kneeM17.3Unilateral post-traumatic osteoarthritis of kneehas subcodesM17.4Other bilateral secondary osteoarthritis of kneeM17.5Other unilateral secondary osteoarthritis of kneeM17.9Osteoarthritis of knee, unspecified
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.-)

Clinical Hierarchy

BillableHas subcodes
CH13Diseases of the musculoskeletal system and connective tissue (M00-M99)
M15-M19Osteoarthritis (M15-M19)
M17Osteoarthritis of kneeNot billable
M17.0Bilateral primary osteoarthritis of kneeBillable
M17.1Unilateral primary osteoarthritis of kneeSubcodes
M17.2Bilateral post-traumatic osteoarthritis of kneeBillable
M17.3Unilateral post-traumatic osteoarthritis of kneeSubcodes
M17.4Other bilateral secondary osteoarthritis of kneeBillable
M17.5Other unilateral secondary osteoarthritis of kneeBillable
M17.9Osteoarthritis of knee, unspecifiedBillable

Applicable Ancestor Context

The following parent sections contain instructions or notes that apply to M17:

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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