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M16.5

Non-billable

Unilateral post-traumatic osteoarthritis of hip

M16.5 is the ICD-10-CM code for Unilateral post-traumatic osteoarthritis of hip. It is a non-billable category code — use a more specific child code such as M16.50 for billing.

Status
Header (non-billable)
Chapter
M00-M99
Parent
M16
Subcodes
3
Edition
FY2026

M00-M99 Diseases of the musculoskeletal system and connective tissue

Includes

  • •Post-traumatic osteoarthritis of hip NOS

Frequently asked questions

What is ICD-10 code M16.5?
M16.5 is the ICD-10-CM code for "Unilateral post-traumatic osteoarthritis of hip". It falls under M00-M99 Diseases of the musculoskeletal system and connective tissue.
Is M16.5 a billable code?
No — M16.5 is a non-billable header code. Use a more specific child code (such as M16.50) for billing.
What are the subcodes of M16.5?
M16.5 has 3 more specific child codes, including M16.50, M16.51, M16.52.

Source: CMS ICD-10-CM FY2026. For informational purposes only — not medical advice. See our medical disclaimer.

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