M87.12

⚠ Non-billable (Header)

Osteonecrosis due to drugs, humerus

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.

Check This Code

❌ Excludes1

inherited

Rules inherited from parent codes in the hierarchy.

M87

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

📋 Code Instructions

inherited

M87.1

• code for adverse effect, if applicable, to identify drug (T36-T50 with fifth or sixth character 5)

M87

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

Child Codes (3)

M87.121Osteonecrosis due to drugs, right humerus✓ Billable M87.122Osteonecrosis due to drugs, left humerus✓ Billable M87.129Osteonecrosis due to drugs, unspecified humerus✓ Billable

Clinical Description

ICD-10-CM code M87.12 represents osteonecrosis due to drugs, humerus. 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 6-character code at the 5th level of specificity. There are 3 more specific child codes under M87.12. Coders should note that M87.12 has 2 Excludes1 restriction(s) — codes that cannot be reported together on the same claim.

Frequently Asked Questions

What is ICD-10 code M87.12?

ICD-10-CM code M87.12 is "Osteonecrosis due to drugs, humerus". It belongs to the category: Diseases of the musculoskeletal system and connective tissue (M00-M99).

Is M87.12 a billable ICD-10 code?

No, M87.12 is a non-billable header code. A more specific child code must be used for billing.

What codes are excluded with M87.12?

M87.12 has 2 Excludes1 rule(s). These codes are mutually exclusive and cannot be coded together on the same claim.

Related Codes in M87.1

Other codes in the same category that may be relevant for differential coding:

M87.10Osteonecrosis due to drugs, unspecified bone M87.11Osteonecrosis due to drugs, shoulder M87.13Osteonecrosis due to drugs of radius, ulna and carpus M87.14Osteonecrosis due to drugs, hand and fingers M87.15Osteonecrosis due to drugs, pelvis and femur M87.16Osteonecrosis due to drugs, tibia and fibula M87.17Osteonecrosis due to drugs, ankle, foot and toes M87.18Osteonecrosis due to drugs, other site M87.19Osteonecrosis due to drugs, multiple sites

🧪 Validate Combinations

Add M87.12 to the Excludes Checker to validate against your full code list.

Open in Checker →

Code Information

CodeM87.12

BillableNo — Header code

ParentM87.1

CategoryDiseases of the musculoskeletal system and connective tissue (M00-M99)

Excludes12 rule(s)

Excludes20 note(s)

Child codes3

Data Source

CMS ICD-10-CM 2026 Tabular List

Updated October 1, 2025 (FY2026)