M87 ICD-10-CM Code: Osteonecrosis
A clear reference for the official code description, hierarchy, and related coding information from the FY 2027 U.S. release.
Official description
M87Osteonecrosis
ICD-10-CM diagnosis code · United States clinical modification
Where M87 sits
- 1
Chapter 13
Diseases of the musculoskeletal system and connective tissue (M00-M99)
- 2
Section
Other osteopathies (M86-M90)
- 3
Category M87
Osteonecrosis
- 4
Code M87
Osteonecrosis
Codes under M87
M87 is a non-billable category. Choose the child code that best matches the documented diagnosis.
Notes for this code
Inclusion terms
No inclusion terms are listed for M87.
Code first
No “code first” instruction is listed for M87.
Use additional code
- code to identify major osseous defect, if applicable (M89.7-)
Excludes1
Conditions that should not be reported together with this code.
- juvenile osteonecrosis (M91-M92)
- osteochondropathies (M90-M93)
Excludes2
Conditions not included here that may be reported separately when present.
No Excludes2 note is listed for M87.
Source and release
- Data release
- U.S. ICD-10-CM · FY 2027
- Effective date
- Oct 1, 2026
- Publisher
- Vero Scribe Inc.
This reference is generated from Vero’s ICD-10-CM description, hierarchy, and code-note dataset. The visible content and structured data share that source.
Frequently asked questions
What does ICD-10-CM code M87 mean?
M87 is the FY 2027 U.S. ICD-10-CM code for “Osteonecrosis.”
Is M87 a billable or specific ICD-10-CM code?
No. M87 has more specific child codes in the FY 2027 reference data. Select the code that matches the documentation and confirm the active code set and payer requirements.
Where is M87 located in ICD-10-CM?
M87 is listed in Chapter 13, Diseases of the musculoskeletal system and connective tissue (M00-M99), within Other osteopathies (M86-M90) (M86–M90), under category M87, Osteonecrosis.
What coding notes are listed for M87?
No inclusion terms are listed for M87 in this reference record. No code-first instruction is listed. Additional-code instructions: code to identify major osseous defect, if applicable (M89.7-). Excludes1 notes: juvenile osteonecrosis (M91-M92); osteochondropathies (M90-M93). No Excludes2 note is listed.