E34.8 vs E79
E34.8 (Other specified endocrine disorders) compared with E79 (Disorders of purine and pyrimidine metabolism), from the official CMS tabular data. Do not report these codes together: the official tabular list marks them Excludes1.
Can these codes be reported together?
No — do not report together. E79 carries an Excludes1 note covering E34.8: “progeria (E34.8)”
Sole exception: when the two conditions are documented as unrelated to each other (ICD-10-CM Official Guidelines, Section I.A.12.a).
No — do not report together. E79 carries an Excludes1 note covering E34.8: “Werner's syndrome (E34.8)”
Sole exception: when the two conditions are documented as unrelated to each other (ICD-10-CM Official Guidelines, Section I.A.12.a).
Side by side
| E34.8Other specified endocrine disorders | E79Disorders of purine and pyrimidine metabolism | |
|---|---|---|
| Billing status | Billable | Non-billable header |
| Classification | E00-E89 — Endocrine, Nutritional and Metabolic Diseases (E00-E89) | E00-E89 — Endocrine, Nutritional and Metabolic Diseases (E00-E89) |
| Definition | Other specified endocrine disorders is a billable ICD-10-CM diagnosis code (E34.8). | Disorders of purine and pyrimidine metabolism is a non-billable ICD-10-CM category code (E79). |
| Includes | Pineal gland dysfunction Progeria | — |
Derived from the official CMS ICD-10-CM tabular data (FY2026). Not billing advice; verify sequencing rules for the encounter. All data sources