M93

Non-Billable
ChapterM00–M99
Rankcategory
Official Description

Other osteochondropathies

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.-)

Instructional Notes

Excludes2(Not included here. Code separately if applicable.)
  • osteochondrosis of spine (M42.-)

Clinical Hierarchy

BillableHas subcodes
CH13Diseases of the musculoskeletal system and connective tissue (M00-M99)
M91-M94Chondropathies (M91-M94)
M93Other osteochondropathiesNot billable
M93.0Slipped upper femoral epiphysis (nontraumatic)Subcodes
M93.1Kienböck's disease of adultsBillable
M93.2Osteochondritis dissecansSubcodes
M93.8Other specified osteochondropathiesSubcodes
M93.9Osteochondropathy, unspecifiedSubcodes

Applicable Ancestor Context

The following parent sections contain instructions or notes that apply to M93:

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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