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M85.64

Non-billable

Other cyst of bone, hand

M85.64 is the ICD-10-CM code for Other cyst of bone, hand. It is a non-billable category code — use a more specific child code such as M85.641 for billing.

Status
Header (non-billable)
Chapter
M00-M99
Parent
M85.6
Subcodes
3
Edition
FY2026

M00-M99 Diseases of the musculoskeletal system and connective tissue

No additional coding notes for this code.

Frequently asked questions

What is ICD-10 code M85.64?
M85.64 is the ICD-10-CM code for "Other cyst of bone, hand". It falls under M00-M99 Diseases of the musculoskeletal system and connective tissue.
Is M85.64 a billable code?
No — M85.64 is a non-billable header code. Use a more specific child code (such as M85.641) for billing.
What are the subcodes of M85.64?
M85.64 has 3 more specific child codes, including M85.641, M85.642, M85.649.

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

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