Z91.01 — Food allergy status
Is Z91.01 billable?
No — Z91.01 is a non-billable header code. Z91.01 groups more specific codes and cannot be submitted on a claim. A valid ICD-10-CM code must be reported at the highest level of specificity available in its branch. Select one of the 10 billable codes beneath Z91.01.
Billable codes under this header
- Z91.010Allergy to peanuts
- Z91.013Allergy to seafood
- Z91.014Allergy to mammalian meats
- Z91.018Allergy to other foods
- Z91.0110Allergy to milk products, unspecified
- Z91.0111Allergy to milk products with tolerance to baked milk
- Z91.0112Allergy to milk products with reactivity to baked milk
- Z91.0120Allergy to eggs, unspecified
- Z91.0121Allergy to eggs with tolerance to baked egg
- Z91.0122Allergy to eggs with reactivity to baked egg
Z91.01 at a glance
| Code | Z91.01 |
|---|---|
| Description | Food allergy status |
| Billable | No — header code |
| Code set | ICD-10-CM FY2027 |
| Valid for encounters | October 1, 2026 – September 30, 2027 |
Excludes2 — not included here
The conditions below are not part of Z91.01, but a patient may have both at the same time. When documentation supports it, Z91.01 and the excluded code may both be reported.
- food additives allergy status (Z91.02)
Excludes2 — not included here — inherited from Z91
The conditions below are not part of Z91.01, but a patient may have both at the same time. When documentation supports it, Z91.01 and the excluded code may both be reported.
Excludes2 — not included here — inherited from Z91.0
The conditions below are not part of Z91.01, but a patient may have both at the same time. When documentation supports it, Z91.01 and the excluded code may both be reported.
- Allergy status to drugs, medicaments, and biological substances (Z88.-)
Code also — inherited from Z77-Z99
Two codes may be needed to describe the condition fully. Whether Z91.01 is sequenced first depends on the reason for the encounter.
- any follow-up examination (Z08-Z09)
What codes fall under Z91.01? (6)
How long has Z91.01 existed?
Z91.01 has been in ICD-10-CM since at least FY2016, the earliest fiscal year on record here.
Derived from the official order files for FY2016–FY2026. FY2017 and FY2020 publish no order file, so those years are not covered.