MCMedicalCodingSoftware
Z88.5

Z88.5: Allergy status to narcotic agent

Billable / specific codeICD-10-CMPOA exempt

Z88.5 is a billable, specific ICD-10-CM code for allergy status to narcotic agent. It is valid for submission on a claim.

Check Z88.5 with the rest of the claim: free scrubber

Excludes2 inherited from the categories above Z88.5

Not part of this code, but both may be coded when both are present.

Written on Z88: Allergy status to drugs, medicaments and biological substances

  • Allergy status, other than to drugs and biological substances (Z91.0-)

Risk adjustment

No CMS-HCC V28 category: this code does not change a RAF score.

Medicare coverage

Z88.5 is named in 13 Medicare coverage policies: 13 listing it as supporting medical necessity. Which one applies depends on your Medicare contractor.

  • A56558Billing and Coding: Allergy Testing
  • A57361Billing and Coding: Monitored Anesthesia Care
  • A57531Billing and Coding: Allergy Testing
  • A60360Billing and Coding: Allergy Diagnostic Testing

Alphabetic index entries that lead here

  • History›personal›allergy›narcotic agent NEC

Code history

Unchanged in every release from FY2024 to FY2027.

Other codes under Z88

ICD-10-CMFY2027· effective October 1, 2026

Loaded directly from the CMS/NCHS ICD-10-CM public-domain release: see data sources and our editorial policy. If this page disagrees with the CMS tabular list, this page is wrong. Reference information for professional coders; not medical or billing advice.