2026 ICD-10-CM Diagnosis Code E79Disorders of purine and pyrimidine metabolism

ICD-10-CM Codes›E00–E89›E70-E88›E79

ICD-10-CM E79
CMSSource: CMS FY 2026 ICD-10-CM dataset · Effective Oct 1, 2025 – Sep 30, 2026

E79 is a non-billable ICD-10-CM category code for disorders of purine and pyrimidine metabolism, so it cannot be submitted on claims. Use a more specific code from this category instead, such as E79.0, E79.1, E79.2, and E79.81.

Code Identity

ICD-10-CM Code
E79
Billable Status
No — Non-Billable Category
Code Describes
Disorders of purine and pyrimidine metabolism
Short Description
Disorders of purine and pyrimidine metabolism
Same as the full description in the CMS dataset.
Chapter
E70-E88
Metabolic disorders

Code Classification

ChapterE00–E89Endocrine, nutritional and metabolic diseases
SectionE70-E88Metabolic disorders
CategoryE79Disorders of purine and pyrimidine metabolism
This CodeE79Disorders of purine and pyrimidine metabolism

Specific Coding for Disorders of purine and pyrimidine metabolismOverview

Non-specific codes like E79 require more characters. Use one of these billable codes instead:

  • Use E79.0 for Hyperuricemia without signs of inflammatory arthritis and tophaceous disease

  • Use E79.1 for Lesch-Nyhan syndrome

  • Use E79.2 for Myoadenylate deaminase deficiency

  • E79.8 for Other disorders of purine and pyrimidine metabolism

  • Use E79.81 for Aicardi-Goutieres syndrome

  • Use E79.82 for Hereditary xanthinuria

  • Use E79.89 for Other specified disorders of purine and pyrimidine metabolism

  • Use E79.9 for Disorder of purine and pyrimidine metabolism, unspecified

Tabular List NotesGuidance

Coding notes and annotation back-references applicable to this code.

Type 1 Excludes

Patient EducationClinical

Metabolic Disorders

Metabolism is the process your body uses to get or make energy from the food you eat. Food is made up of proteins, carbohydrates, and fats. Chemicals in your digestive system break the food parts down into sugars and acids, your body's fuel.

Read the full article at MedlinePlus

Courtesy of MedlinePlus, a service of the U.S. National Library of Medicine.

Code HistoryHistory

FY 2016AddedAdded to the ICD-10-CM code setEffective October 1, 2015, the first year of ICD-10-CM.
FY 2017–2025No changes
FY 2026CurrentCurrent code set, no changesEffective October 1, 2025 through September 30, 2026.

Questions About E79Overview

Is E79 (Disorders of purine and pyrimidine metabolism) a billable code?

No. This is a category header that groups the codes for disorders of purine and pyrimidine metabolism, and headers cannot be submitted on claims. Claims for disorders of purine and pyrimidine metabolism need a more specific code from this category, such as E79.0, E79.1, and E79.2.