M94

Non-Billable
ChapterM00–M99
Rankcategory
Official Description

Other disorders of cartilage

Metadata & Insights
  • 2026 ICD-10-CM Edition - Effective October 1, 2025.
  • 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)
  • 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)

M91-M94 Parent Instructions

Excludes1(Not coded here)
  • postprocedural chondropathies (M96.-)

Clinical Hierarchy

CH13Diseases of the musculoskeletal system and connective tissue (M00-M99)
M91-M94Chondropathies (M91-M94)
M94Other disorders of cartilage
M94.0Chondrocostal junction syndrome [Tietze]
M94.1Relapsing polychondritis
M94.2Chondromalacia
M94.3Chondrolysis
M94.8Other specified disorders of cartilage
M94.9Disorder of cartilage, unspecified

Applicable Ancestor Context

The following parent sections contain instructions or notes that apply to M94:

blockM91-M94
Chondropathies (M91-M94)
View context instructions
chapterCH13
Diseases of the musculoskeletal system and connective tissue (M00-M99)
View context instructions

Alphabetic Index Mentions

These are Diagnosis Index lookup paths that route to M94. Use them as entry terms for search, then confirm final coding instructions in the Tabular List and notes above.

25 raw paths
Chondritis3 unique routes
Direct index entryM94
Chondrolysis1 unique routes
Direct index entryM94
Chondropathia tuberosa1 unique routes
Direct index entryM94
Costochondritis1 unique routes
Direct index entryM94
Disorder (of)2 unique routes
cartilageM94(2 variants)
specified type NECM94

MS-DRG Classification

2026

No direct MS-DRG triggers identified.

Cross Reference

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