Is M90.56 a billable code?
No. M90.56 is a header code that groups 3 more specific codes. Use one of the billable codes listed on this page instead.
ICD-10-CM FY2027 diagnosis code
M90.56: Osteonecrosis in diseases classified elsewhere, lower leg
Header code: not billableValid for dates of service October 1, 2026 to September 30, 2027
M90.56 groups related diagnoses under osteonecrosis in diseases classified elsewhere, lower leg. It cannot be used on a claim by itself. Choose the billable code below that matches the patient's record.
Billable codes under M90.56
- M90.561Osteonecrosis in diseases classified elsewhere, right lower leg
- M90.562Osteonecrosis in diseases classified elsewhere, left lower leg
- M90.569Osteonecrosis in diseases classified elsewhere, unspecified lower leg
Other codes in M90.5 Osteonecrosis in diseases classified elsewhere
- M90.50Osteonecrosis in diseases classified elsewhere, unspecified site
- M90.51Osteonecrosis in diseases classified elsewhere, shoulderheader
- M90.52Osteonecrosis in diseases classified elsewhere, upper armheader
- M90.53Osteonecrosis in diseases classified elsewhere, forearmheader
- M90.54Osteonecrosis in diseases classified elsewhere, handheader
- M90.55Osteonecrosis in diseases classified elsewhere, thighheader
- M90.57Osteonecrosis in diseases classified elsewhere, ankle and footheader
- M90.58Osteonecrosis in diseases classified elsewhere, other site
- M90.59Osteonecrosis in diseases classified elsewhere, multiple sites
M90.56 questions
What does M90.56 mean?
M90.56 is the ICD-10-CM code for Osteonecrosis in diseases classified elsewhere, lower leg. It is in chapter 13, Diseases of the musculoskeletal system and connective tissue (M00-M99).
Code titles come from the official ICD-10-CM files published by the CDC National Center for Health Statistics. Always check payer rules and the clinical record before billing.