All ICD10 Codes

E79

Non-Billable
ChapterE00–E89
Rankcategory
Official Description

Disorders of purine and pyrimidine metabolism

Use a more specific code (4 billable, 1 non-billable)
E79.0Hyperuricemia without signs of inflammatory arthritis and tophaceous diseaseE79.1Lesch-Nyhan syndromeE79.2Myoadenylate deaminase deficiencyE79.8Other disorders of purine and pyrimidine metabolismhas subcodesE79.9Disorder of purine and pyrimidine metabolism, unspecified
Metadata & Insights
  • •Non-billable category (requires more specific sub-code).
  • •Chapter 4: Endocrine, Nutritional and Metabolic Diseases (E00-E89).

CH4 Parent Instructions

Excludes1(Not coded here. Use a different code.)
  • transitory endocrine and metabolic disorders specific to newborn (P70-P74)

E70-E88 Parent Instructions

Excludes1(Not coded here. Use a different code.)
  • 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)
Excludes2(Not included here. Code separately if applicable.)
  • Ehlers-Danlos syndromes (Q79.6-)

Instructional Notes

Excludes1(Not coded here. Use a different code.)
  • 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)

Clinical Hierarchy

BillableHas subcodes
CH4Endocrine, nutritional and metabolic diseases (E00-E89)
E70-E88Metabolic disorders (E70-E88)
E79Disorders of purine and pyrimidine metabolismNot billable
E79.0Hyperuricemia without signs of inflammatory arthritis and tophaceous diseaseBillable
E79.1Lesch-Nyhan syndromeBillable
E79.2Myoadenylate deaminase deficiencyBillable
E79.8Other disorders of purine and pyrimidine metabolismSubcodes
E79.9Disorder of purine and pyrimidine metabolism, unspecifiedBillable

Applicable Ancestor Context

The following parent sections contain instructions or notes that apply to E79:

blockE70-E88
Metabolic disorders (E70-E88)
View context instructions
chapterCH4
Endocrine, nutritional and metabolic diseases (E00-E89)
View context instructions

MS-DRG Classification

2026

No direct MS-DRG triggers identified.

Cross Reference

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