M90

Classification

Category:Diseases of the musculoskeletal system and connective tissue

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Coding Guidance

M90 should not be used for reimbursement purposes as there are more specific codes below it that contain a greater level of detail.

Excludes 1

Excludes 2

From M00-M99

arthropathic psoriasisL40.5
certain conditions originating in the perinatal periodP04-P96
certain infectious and parasitic diseasesA00-B99
compartment syndrome (traumatic)T79.A
complications of pregnancy, childbirth and the puerperiumO00-O9A
congenital malformations, deformations, and chromosomal abnormalitiesQ00-Q99
endocrine, nutritional and metabolic diseasesE00-E88
injury, poisoning and certain other consequences of external causesS00-T88
neoplasmsC00-D49
symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classifiedR00-R94

Use Additional Code

More Specific Codes

M90.5

Osteonecrosis in diseases classified elsewhere

M90.6

Osteitis deformans in neoplastic diseases

M90.8

Osteopathy in diseases classified elsewhere

External Resources

2025 ICD-10 guidelines from CMS.gov