Z91.012 — Allergy to eggs
Is Z91.012 billable?
No — Z91.012 is a non-billable header code. Z91.012 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 3 billable codes beneath Z91.012.
Z91.012 at a glance
| Code | Z91.012 |
|---|---|
| Description | Allergy to eggs |
| Billable | No — header code |
| Code set | ICD-10-CM FY2027 |
| Valid for encounters | October 1, 2026 – September 30, 2027 |
Excludes2 — not included here — inherited from Z91
The conditions below are not part of Z91.012, but a patient may have both at the same time. When documentation supports it, Z91.012 and the excluded code may both be reported.
Excludes2 — not included here — inherited from Z91.0
The conditions below are not part of Z91.012, but a patient may have both at the same time. When documentation supports it, Z91.012 and the excluded code may both be reported.
- Allergy status to drugs, medicaments, and biological substances (Z88.-)
Excludes2 — not included here — inherited from Z91.01
The conditions below are not part of Z91.012, but a patient may have both at the same time. When documentation supports it, Z91.012 and the excluded code may both be reported.
- food additives allergy status (Z91.02)
Code also — inherited from Z77-Z99
Two codes may be needed to describe the condition fully. Whether Z91.012 is sequenced first depends on the reason for the encounter.
- any follow-up examination (Z08-Z09)
What codes fall under Z91.012? (3)
How long has Z91.012 existed?
Z91.012 has been in ICD-10-CM since at least FY2016, the earliest fiscal year on record here.
- FY2026: Z91.012 stopped being billable
Derived from the official order files for FY2016–FY2026. FY2017 and FY2020 publish no order file, so those years are not covered.