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Z77.3

Non-billable

Contact with and (suspected) exposure to war theater

Z77.3 is the ICD-10-CM code for Contact with and (suspected) exposure to war theater. It is a non-billable category code — use a more specific child code such as Z77.31 for billing.

Status
Header (non-billable)
Chapter
Z00-Z99
Parent
Z77
Subcodes
2
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 Z77.3?
Z77.3 is the ICD-10-CM code for "Contact with and (suspected) exposure to war theater". It falls under Z00-Z99 Factors influencing health status and contact with health services.
Is Z77.3 a billable code?
No — Z77.3 is a non-billable header code. Use a more specific child code (such as Z77.31) for billing.
What are the subcodes of Z77.3?
Z77.3 has 2 more specific child codes, including Z77.31, Z77.39.

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

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