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Z91.04

⚠ Non-billable (Header)

Nonmedicinal substance allergy status

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

⚠️ This is a category header code — not billable. Use a more specific child code below.

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⚠️ Excludes2

inherited from Z91.0

Rules from parent category Z91.0: Allergy status, other than to drugs and biological substances

  • • Allergy status to drugs, medicaments, and biological substances (Z88.-)

Child Codes (3)

Z91.040Latex allergy statusZ91.041Radiographic dye allergy statusZ91.048Other nonmedicinal substance allergy status

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Code Information

CodeZ91.04
BillableNo — Header code
ParentZ91.0
CategoryFactors influencing health status and contact with health services (Z00-Z99)
Excludes10 rule(s)
Excludes21 note(s)
Child codes3

Data Source

CMS ICD-10-CM 2026 Tabular List

Updated October 1, 2025 (FY2026)