M87.0
⚠ Non-billable (Header)Idiopathic aseptic necrosis of bone
Diseases of the musculoskeletal system and connective tissue (M00-M99)
⚠️ This is a category header code — not billable. Use a more specific child code below.
❌ Excludes1
inheritedRules inherited from parent codes in the hierarchy.
- • juvenile osteonecrosis (M91-M92)
- • osteochondropathies (M90-M93)
📋 Code Instructions
inherited- • code to identify major osseous defect, if applicable (M89.7-)
Child Codes (10)
Clinical Description
ICD-10-CM code M87.0 represents idiopathic aseptic necrosis of bone. This code falls under the Diseases of the musculoskeletal system and connective tissue (M00-M99) classification. It is a non-billable category header code. A more specific child code from the list below must be used for billing and reimbursement purposes.
This is a 5-character code at the 4th level of specificity. There are 10 more specific child codes under M87.0. Coders should note that M87.0 has 2 Excludes1 restriction(s) — codes that cannot be reported together on the same claim.
Frequently Asked Questions
What is ICD-10 code M87.0?
ICD-10-CM code M87.0 is "Idiopathic aseptic necrosis of bone". It belongs to the category: Diseases of the musculoskeletal system and connective tissue (M00-M99).
Is M87.0 a billable ICD-10 code?
No, M87.0 is a non-billable header code. A more specific child code must be used for billing.
What codes are excluded with M87.0?
M87.0 has 2 Excludes1 rule(s). These codes are mutually exclusive and cannot be coded together on the same claim.
Related Codes in M87
Other codes in the same category that may be relevant for differential coding:
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Data Source
CMS ICD-10-CM 2026 Tabular List
Updated October 1, 2025 (FY2026)