M60.86
⚠ Non-billable (Header)Other myositis, lower leg
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.
Child Codes (3)
Clinical Description
ICD-10-CM code M60.86 represents other myositis, lower leg. 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 M60.86.
Frequently Asked Questions
What is ICD-10 code M60.86?
ICD-10-CM code M60.86 is "Other myositis, lower leg". It belongs to the category: Diseases of the musculoskeletal system and connective tissue (M00-M99).
Is M60.86 a billable ICD-10 code?
No, M60.86 is a non-billable header code. A more specific child code must be used for billing.
Can M60.86 be coded with other codes?
M60.86 has 1 Excludes2 note(s). These conditions can be coded together if both are documented in the patient record.
Related Codes in M60.8
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)