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Z91.04

Non-billable

Nonmedicinal substance allergy status

Z91.04 is the ICD-10-CM code for Nonmedicinal substance allergy status. It is a non-billable category code — use a more specific child code such as Z91.040 for billing.

Status
Header (non-billable)
Chapter
Z00-Z99
Parent
Z91.0
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 Z91.04?
Z91.04 is the ICD-10-CM code for "Nonmedicinal substance allergy status". It falls under Z00-Z99 Factors influencing health status and contact with health services.
Is Z91.04 a billable code?
No — Z91.04 is a non-billable header code. Use a more specific child code (such as Z91.040) for billing.
What are the subcodes of Z91.04?
Z91.04 has 3 more specific child codes, including Z91.040, Z91.041, Z91.048.

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

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