E79 — Disorders of purine and pyrimidine metabolism
Is E79 billable?
No — E79 is a non-billable header code. E79 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 7 billable codes beneath E79.
Billable codes under this header
- E79.0Hyperuricemia without signs of inflammatory arthritis and tophaceous disease
- E79.1Lesch-Nyhan syndrome
- E79.2Myoadenylate deaminase deficiency
- E79.9Disorder of purine and pyrimidine metabolism, unspecified
- E79.81Aicardi-Goutieres syndrome
- E79.82Hereditary xanthinuria
- E79.89Other specified disorders of purine and pyrimidine metabolism
E79 at a glance
| Code | E79 |
|---|---|
| Description | Disorders of purine and pyrimidine metabolism |
| Billable | No — header code |
| Code set | ICD-10-CM FY2027 |
| Valid for encounters | October 1, 2026 – September 30, 2027 |
Excludes1 — never code together
The conditions below can never be reported together with E79 on the same claim. An Excludes1 note means the two conditions cannot occur in the same patient, so reporting both is a coding error.
Excludes1 — never code together — inherited from Chapter 4
The conditions below can never be reported together with E79 on the same claim. An Excludes1 note means the two conditions cannot occur in the same patient, so reporting both is a coding error.
- transitory endocrine and metabolic disorders specific to newborn (P70-P74)
Excludes1 — never code together — inherited from E70-E88
The conditions below can never be reported together with E79 on the same claim. An Excludes1 note means the two conditions cannot occur in the same patient, so reporting both is a coding error.
Excludes2 — not included here — inherited from E70-E88
The conditions below are not part of E79, but a patient may have both at the same time. When documentation supports it, E79 and the excluded code may both be reported.
- Ehlers-Danlos syndromes (Q79.6-)
What codes fall under E79? (5)
How long has E79 existed?
E79 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.
Which codes are confused with E79?
ICD-10-CM declares these codes mutually exclusive with E79 — exactly one of each pair can be correct for a given encounter.