U.S. ICD-10-CM reference · FY2026 · April
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E79Category · further specificity requiredArchived

Disorders of purine and pyrimidine metabolism

HierarchyE70-E88 · E79

Code-level instructions

Excludes 1
  • 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)

Inherited instructions

Chapters 4 · Endocrine, nutritional and metabolic diseases (E00-E89)

Excludes 1

transitory endocrine and metabolic disorders specific to newborn (P70-P74)

Note

All neoplasms, whether functionally active or not, are classified in Chapter 2. Appropriate codes in this chapter (i.e. E05.8, E07.0, E16-E31, E34.-) may be used as additional codes to indicate either functional activity by neoplasms and ectopic endocrine tissue or hyperfunction and hypofunction of endocrine glands associated with neoplasms and other conditions classified elsewhere.

E70-E88 · Metabolic disorders (E70-E88)

Excludes 1
  • androgen insensitivity syndrome (E34.5-)
  • congenital adrenal hyperplasia (E25.0)
  • hemolytic anemias attributable to enzyme disorders (D55.-)
  • Marfan syndrome (Q87.4-)
  • 5-alpha-reductase deficiency (E29.1)
Excludes 2

Ehlers-Danlos syndromes (Q79.6-)

More specific codes

E79.0Hyperuricemia without signs of inflammatory arthritis and tophaceous diseaseBillable / specificE79.1Lesch-Nyhan syndromeBillable / specificE79.2Myoadenylate deaminase deficiencyBillable / specificE79.8Other disorders of purine and pyrimidine metabolismCategory · further specificity requiredE79.9Disorder of purine and pyrimidine metabolism, unspecifiedBillable / specific
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