M86.36
⚠ Non-billable (Header)Chronic multifocal osteomyelitis, tibia and fibula
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.
- • osteomyelitis due to:
- • echinococcus (B67.2)
- • gonococcus (A54.43)
- • salmonella (A02.24)
⚠️ Excludes2
inheritedRules inherited from parent codes.
- • ostemyelitis of:
- • orbit (H05.0-)
- • petrous bone (H70.2-)
- • vertebra (M46.2-)
Child Codes (3)
Clinical Description
ICD-10-CM code M86.36 represents chronic multifocal osteomyelitis, tibia and fibula. 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 M86.36. Coders should note that M86.36 has 4 Excludes1 restriction(s) — codes that cannot be reported together on the same claim.
Frequently Asked Questions
What is ICD-10 code M86.36?
ICD-10-CM code M86.36 is "Chronic multifocal osteomyelitis, tibia and fibula". It belongs to the category: Diseases of the musculoskeletal system and connective tissue (M00-M99).
Is M86.36 a billable ICD-10 code?
No, M86.36 is a non-billable header code. A more specific child code must be used for billing.
What codes are excluded with M86.36?
M86.36 has 4 Excludes1 rule(s). These codes are mutually exclusive and cannot be coded together on the same claim.
Can M86.36 be coded with other codes?
M86.36 has 4 Excludes2 note(s). These conditions can be coded together if both are documented in the patient record.
Related Codes in M86.3
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)