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ICD-10-CM · FY 2026 APRIL UPDATE

M90.5

Osteonecrosis in diseases classified elsewhere

Diagnosis reference

Nonbillable category

This entry is a category or subcategory. Choose the appropriate billable descendant based on the clinical documentation.

Effective periodOctober 1, 2026–September 30, 2027
SourceCMS ICD-10-CM order file
ClassificationDiagnosis · clinical modification

Related entries

Up to 30 descendants in this category

CODEDESCRIPTIONTYPE
M90.50Osteonecrosis in diseases classified elsewhere, unspecified siteBillable
M90.51Osteonecrosis in diseases classified elsewhere, shoulderCategory
M90.511Osteonecrosis in diseases classified elsewhere, right shoulderBillable
M90.512Osteonecrosis in diseases classified elsewhere, left shoulderBillable
M90.519Osteonecrosis in diseases classified elsewhere, unspecified shoulderBillable
M90.52Osteonecrosis in diseases classified elsewhere, upper armCategory
M90.521Osteonecrosis in diseases classified elsewhere, right upper armBillable
M90.522Osteonecrosis in diseases classified elsewhere, left upper armBillable
M90.529Osteonecrosis in diseases classified elsewhere, unspecified upper armBillable
M90.53Osteonecrosis in diseases classified elsewhere, forearmCategory
M90.531Osteonecrosis in diseases classified elsewhere, right forearmBillable
M90.532Osteonecrosis in diseases classified elsewhere, left forearmBillable
M90.539Osteonecrosis in diseases classified elsewhere, unspecified forearmBillable
M90.54Osteonecrosis in diseases classified elsewhere, handCategory
M90.541Osteonecrosis in diseases classified elsewhere, right handBillable
M90.542Osteonecrosis in diseases classified elsewhere, left handBillable
M90.549Osteonecrosis in diseases classified elsewhere, unspecified handBillable
M90.55Osteonecrosis in diseases classified elsewhere, thighCategory
M90.551Osteonecrosis in diseases classified elsewhere, right thighBillable
M90.552Osteonecrosis in diseases classified elsewhere, left thighBillable
M90.559Osteonecrosis in diseases classified elsewhere, unspecified thighBillable
M90.56Osteonecrosis in diseases classified elsewhere, lower legCategory
M90.561Osteonecrosis in diseases classified elsewhere, right lower legBillable
M90.562Osteonecrosis in diseases classified elsewhere, left lower legBillable
M90.569Osteonecrosis in diseases classified elsewhere, unspecified lower legBillable
M90.57Osteonecrosis in diseases classified elsewhere, ankle and footCategory
M90.571Osteonecrosis in diseases classified elsewhere, right ankle and footBillable
M90.572Osteonecrosis in diseases classified elsewhere, left ankle and footBillable
M90.579Osteonecrosis in diseases classified elsewhere, unspecified ankle and footBillable
M90.58Osteonecrosis in diseases classified elsewhere, other siteBillable

Use the complete reference

This reference does not reproduce the full tabular hierarchy, inclusion notes, Excludes1/2 notes, sequencing instructions, or seventh-character rules. Review the official tables and coding guidelines.

Open official CMS files

ICD-10-CM codes describe diagnoses. They do not have an independent Medicare PFS reimbursement amount, and billability alone does not establish coverage.