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Z89.01

Non-billable

Acquired absence of thumb

Z89.01 is the ICD-10-CM code for Acquired absence of thumb. It is a non-billable category code — use a more specific child code such as Z89.011 for billing.

Status
Header (non-billable)
Chapter
Z00-Z99
Parent
Z89.0
Subcodes
3
Edition
FY2026

Z00-Z99 Factors influencing health status and contact with health services

No additional coding notes for this code.

Frequently asked questions

What is ICD-10 code Z89.01?
Z89.01 is the ICD-10-CM code for "Acquired absence of thumb". It falls under Z00-Z99 Factors influencing health status and contact with health services.
Is Z89.01 a billable code?
No — Z89.01 is a non-billable header code. Use a more specific child code (such as Z89.011) for billing.
What are the subcodes of Z89.01?
Z89.01 has 3 more specific child codes, including Z89.011, Z89.012, Z89.019.

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

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