E79 Disorders of purine and pyrimidine metabolism

⚠ Non-Billable ICD-10-CM 2026
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The ICD-10-CM code for Disorders of purine and pyrimidine metabolism is E79 (FY2026). It is a non-billable category code — select a more specific code below for claims.

Classification

Section
E70-E88: Metabolic disorders (E70-E88)
Category E79
9 codes (7 billable)
FY2026 Status
Stable since FY2024
Excludes1
Not coded here. These conditions should NOT be coded together with E79.
  • Ataxia-telangiectasia (Q87.19)
  • Bloom's syndrome (Q82.8)
  • Cockayne's syndrome (Q87.19)
  • calculus of kidney (N20.0)
  • combined immunodeficiency disorders (D81.-)
  • Fanconi's anemia (D61.09)
  • gout (M1A.-, M10.-)
  • orotaciduric anemia (D53.0)
  • progeria (E34.8)
  • Werner's syndrome (E34.8)
  • xeroderma pigmentosum (Q82.1)

Official Coding Guidelines

Diabetes mellitus (TOC entry)

a. Diabetes mellitus ................................................................................................................... 39

— ICD-10-CM Official Guidelines for Coding and Reporting, FY2026, Section I.C.4.a
Obesity (TOC entry)

b. Obesity .................................................................................................................................. 42

— ICD-10-CM Official Guidelines for Coding and Reporting, FY2026, Section I.C.4.b

Source: CMS — ICD-10-CM Official Guidelines for Coding and Reporting, FY2026

References

Related Codes

More Specific Codes

E79.0 Hyperuricemia without signs of inflammatory arthritis and tophaceous disease E79.1 Lesch-Nyhan syndrome E79.2 Myoadenylate deaminase deficiency E79.8 Other disorders of purine and pyrimidine metabolism E79.81 Aicardi-Goutières syndrome E79.82 Hereditary xanthinuria E79.89 Other specified disorders of purine and pyrimidine metabolism E79.9 Disorder of purine and pyrimidine metabolism, unspecified

Related Codes in E79

E79.0 Hyperuricemia without signs of inflammatory arthritis and tophaceous disease E79.1 Lesch-Nyhan syndrome E79.2 Myoadenylate deaminase deficiency E79.8 Other disorders of purine and pyrimidine metabolism E79.81 Aicardi-Goutières syndrome E79.82 Hereditary xanthinuria E79.89 Other specified disorders of purine and pyrimidine metabolism E79.9 Disorder of purine and pyrimidine metabolism, unspecified
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Reviewed by Prajwal Shrestha, CPC, CRC
Certified Professional Coder (CPC) and Certified Risk Adjustment Coder (CRC) · AAPC Member ID 01997614 · About · Editorial policy · Content last reviewed: 2025-10-01

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