E79.8 — Other disorders of purine and pyrimidine metabolism
E79.8 is a non-billable header ICD-10-CM code for other disorders of purine and pyrimidine metabolism. It cannot be billed on its own: choose one of the more specific child codes below.
Excludes1 inherited from the categories above E79.8
These are not written on E79.8, but they bind it: a note on a category applies to every code beneath it. Billing E79.8 with anything listed here is a denial.
Written on E79 — Disorders of purine and pyrimidine metabolism
Other codes that can never be billed with E79.8
These codes carry an Excludes1 note pointing at E79.8. The conflict binds both ways, but ICD-10-CM only writes it down on one side — so you would not find this by reading E79.8 alone.
- E72Other disorders of amino-acid metabolism
Risk adjustment
E79.8 does not map to an HCC and does not risk-adjust under CMS-HCC V28. That is normal — most ICD-10 codes do not. It still needs to be coded correctly; it just will not move a RAF score.
Code history
E79.8 has not changed since FY2024 — no addition, revision or deletion across the three most recent ICD-10-CM releases.
Code to one of these instead E79.8
3 child codes. Green means billable.
Related codes at this level
Codes that share E79. If E79.8 is not quite right, the correct code is usually one of these.
Questions about E79.8
- Is E79.8 a billable ICD-10-CM code?
- No. E79.8 is a non-billable header code. Code to a higher level of specificity using one of its child codes.
- Where does E79.8 sit in the tabular list?
- Endocrine, nutritional and metabolic diseases (E00-E89), in the block Metabolic disorders (E70-E88).
- What cannot be coded together with E79.8?
- E79.8 carries Excludes1 notes, which means the conditions they list can never be coded together with it on the same encounter. Some are written on the categories above E79.8 (E79) and apply to it just the same.