2026 ICD-10-CM Diagnosis Code Z88Allergy status to drugs, medicaments and biological substances
Z88 is a non-billable ICD-10-CM category code for allergy status to drugs, medicaments and biological substances, so it cannot be submitted on claims. Use a more specific code from this category instead, such as Z88.0, Z88.1, Z88.2, and Z88.3.
Code Identity
Code Classification
Specific Coding for Allergy status to drug/meds/biol substOverview
Non-specific codes like Z88 require more characters. Use one of these billable codes instead:
Use Z88.0 for Allergy status to penicillin
Use Z88.1 for Allergy status to other antibiotic agents
Use Z88.2 for Allergy status to sulfonamides
Use Z88.3 for Allergy status to other anti-infective agents
Use Z88.4 for Allergy status to anesthetic agent
Use Z88.5 for Allergy status to narcotic agent
Use Z88.6 for Allergy status to analgesic agent
Use Z88.7 for Allergy status to serum and vaccine
Use Z88.8 for Allergy status to other drugs, medicaments and biological substances
Use Z88.9 for Allergy status to unspecified drugs, medicaments and biological substances
Tabular List NotesGuidance
Coding notes and annotation back-references applicable to this code.
Type 2 Excludes
- Allergy status, other than to drugs and biological substances Z91.0
A type 2 excludes note represents "Not included here". An excludes2 note indicates that the condition excluded is not part of the condition represented by the code, but a patient may have both conditions at the same time. When an Excludes2 note appears under a code, it is acceptable to use both the code and the excluded code together, when appropriate.
Patient EducationClinical
Antibiotics
Antibiotics are medicines that fight bacterial infections in people and animals. They work by killing the bacteria or by making it hard for the bacteria to grow and multiply.
The full article covers:
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Read the full article at MedlinePlus
Courtesy of MedlinePlus, a service of the U.S. National Library of Medicine.
Code HistoryHistory
Questions About Z88Overview
Is Z88 a billable code?
No. This is a category header that groups the codes for allergy status to drugs, medicaments and biological substances, and headers cannot be submitted on claims. Claims for allergy status to drugs, medicaments and biological substances need a more specific code from this category, such as Z88.0, Z88.1, and Z88.2.
