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Z29.1

Non-billable

Encounter for prophylactic immunotherapy

Z29.1 is the ICD-10-CM code for Encounter for prophylactic immunotherapy. It is a non-billable category code — use a more specific child code such as Z29.11 for billing.

Status
Header (non-billable)
Chapter
Z00-Z99
Parent
Z29
Subcodes
4
Edition
FY2026

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

Includes

  • •Encounter for administration of immunoglobulin

Frequently asked questions

What is ICD-10 code Z29.1?
Z29.1 is the ICD-10-CM code for "Encounter for prophylactic immunotherapy". It falls under Z00-Z99 Factors influencing health status and contact with health services.
Is Z29.1 a billable code?
No — Z29.1 is a non-billable header code. Use a more specific child code (such as Z29.11) for billing.
What are the subcodes of Z29.1?
Z29.1 has 4 more specific child codes, including Z29.11, Z29.12, Z29.13.

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

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