M94

Non-Billable
ChapterM00–M99
Rankcategory
Official Description

Other disorders of cartilage

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)

M91-M94 Parent Instructions

Excludes1(Not coded here. Use a different code.)
  • postprocedural chondropathies (M96.-)

Clinical Hierarchy

BillableHas subcodes
CH13Diseases of the musculoskeletal system and connective tissue (M00-M99)
M91-M94Chondropathies (M91-M94)
M94Other disorders of cartilageNot billable
M94.0Chondrocostal junction syndrome [Tietze]Billable
M94.1Relapsing polychondritisBillable
M94.2ChondromalaciaSubcodes
M94.3ChondrolysisSubcodes
M94.8Other specified disorders of cartilageSubcodes
M94.9Disorder of cartilage, unspecifiedBillable

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

MS-DRG Classification

2026

No direct MS-DRG triggers identified.

Cross Reference

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