E79
⚠ Non-billable
Disorders of purine and pyrimidine metabolism
ICD-10-CM · FY2026 · Endocrine, Nutritional and Metabolic Diseases
Code
E79
System
ICD-10-CM
Billable
No — use specific code
Effective
FY2026
Chapter
Endocrine, Nutritional and Metabolic Diseases
Source
CMS / CDC NCHS
⚠ Verify before billing. Confirm against the current CMS/NCHS ICD-10-CM files and your payer's rules before claims submission.
Official coding notes
From CMS's ICD-10-CM Tabular List.
Excludes1 — never code together
- 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)
Frequently asked questions
What is ICD-10 code E79?
ICD-10-CM code E79 represents Disorders of purine and pyrimidine metabolism. It is a non-billable header code requiring a more specific subcategory in the Endocrine, Nutritional and Metabolic Diseases chapter, effective October 1, 2025 – September 30, 2026.
Is E79 billable?
No. E79 is a non-billable header. Select a more specific subcategory for claims submission.
What chapter is E79 in?
E79 belongs to the Endocrine, Nutritional and Metabolic Diseases chapter (E00–E89) of ICD-10-CM.
Related codes in the E79 category
E79.0
Hyperuricemia without signs of inflammatory arthritis and tophaceous disease
Billable
E79.1
Lesch-Nyhan syndrome
Billable
E79.2
Myoadenylate deaminase deficiency
Billable
E79.8
Other disorders of purine and pyrimidine metabolism
Non-billable
E79.9
Disorder of purine and pyrimidine metabolism, unspecified
Billable
E79.81
Aicardi-Goutieres syndrome
Billable
E79.82
Hereditary xanthinuria
Billable
E79.89
Other specified disorders of purine and pyrimidine metabolism
Billable
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