M87

Non-billable

Osteonecrosis

M87 is the ICD-10-CM code for Osteonecrosis. It is a non-billable category code — use a more specific child code such as M87.0 for billing.

Status
Header (non-billable)
Chapter
M00-M99
Subcodes
6
Edition
FY2026

M00-M99 Diseases of the musculoskeletal system and connective tissue

Includes

  • avascular necrosis of bone

Excludes1 — not coded here

  • juvenile osteonecrosis (M91-M92)
  • osteochondropathies (M90-M93)

Use additional code

  • code to identify major osseous defect, if applicable (M89.7-)

Frequently asked questions

What is ICD-10 code M87?
M87 is the ICD-10-CM code for "Osteonecrosis". It falls under M00-M99 Diseases of the musculoskeletal system and connective tissue.
Is M87 a billable code?
No — M87 is a non-billable header code. Use a more specific child code (such as M87.0) for billing.
What are the subcodes of M87?
M87 has 6 more specific child codes, including M87.0, M87.1, M87.2.
What is excluded from M87?
Excludes1 (not coded here): juvenile osteonecrosis (M91-M92); osteochondropathies (M90-M93).

Source: CMS ICD-10-CM FY2026. For informational purposes only — not medical advice. See our medical disclaimer.

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