Z88Header code — not billable

Allergy status to drugs, medicaments and biological substances

Short description: Allergy status to drug/meds/biol subst

Chapter
21. Factors influencing health status and contact with health services
Category
Z88
Effective date
October 1, 2026

Related codes in category Z88

Frequently asked questions

What is ICD-10 code Z88?

Z88 is an ICD-10-CM diagnosis code for Allergy status to drugs, medicaments and biological substances.

Is Z88 a billable code?

No. Z88 is a category/header code, not billable on its own — use one of its more specific child codes instead.

What ICD-10-CM chapter is Z88 in?

Z88 falls under Chapter 21: Factors influencing health status and contact with health services.

When did Z88 become effective?

Z88 has been effective since October 1, 2026, per the CMS/CDC ICD-10-CM annual release.

What other codes are related to Z88?

Z88 belongs to category Z88, which includes 10 other codes — see the related codes list on this page.

ICD-10-CM data maintained by CDC/CMS (public domain). Always verify codes with authoritative sources before making coding or billing decisions.