Z88 vs Z91.014
Z88 (Allergy status to drugs, medicaments and biological substances) compared with Z91.014 (Allergy to mammalian meats), from the official CMS tabular data. Both may be reported when both conditions are documented (Excludes2).
Can these codes be reported together?
Yes, when both are documented. Z88 carries an Excludes2 note covering Z91.014: “Allergy status, other than to drugs and biological substances (Z91.0-)”
Excludes2 marks distinct conditions — both may be reported when both are documented.
Yes, when both are documented. Z91.014 carries an Excludes2 note covering Z88: “Allergy status to drugs, medicaments, and biological substances (Z88.-)”
Excludes2 marks distinct conditions — both may be reported when both are documented.
Side by side
| Z88Allergy status to drugs, medicaments and biological substances | Z91.014Allergy to mammalian meats | |
|---|---|---|
| Billing status | Non-billable header | Billable |
| Classification | Z00-Z99 — Factors Influencing Health Status and Contact with Health Services (Z00-Z99) | Z00-Z99 — Factors Influencing Health Status and Contact with Health Services (Z00-Z99) |
| Definition | Allergy status to drugs, medicaments and biological substances is a non-billable ICD-10-CM category code (Z88). | Allergy to mammalian meats is a billable ICD-10-CM diagnosis code (Z91.014). |
| Includes | — | Allergy to beef Allergy to lamb Allergy to pork Allergy to red meats |
Derived from the official CMS ICD-10-CM tabular data (FY2026). Not billing advice; verify sequencing rules for the encounter. All data sources