E79.1

Lesch-Nyhan syndrome

Billable / specificHCC V28 50

E79.1 is a billable, specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes in FY2027.

Inclusion terms

Applicable to

  • HGPRT deficiency

Includes (from E79)

  • 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.

Excludes1

Not coded here — never report together with this code.

  • transitory endocrine and metabolic disorders specific to newborn (P70-P74) (from E79)
  • androgen insensitivity syndrome (E34.5-) (from E79)
  • congenital adrenal hyperplasia (E25.0) (from E79)
  • hemolytic anemias attributable to enzyme disorders (D55.-) (from E79)
  • Marfan syndrome (Q87.4-) (from E79)
  • 5-alpha-reductase deficiency (E29.1) (from E79)
  • Ataxia-telangiectasia (Q87.19) (from E79)
  • Bloom's syndrome (Q82.8) (from E79)
  • Cockayne's syndrome (Q87.19) (from E79)
  • calculus of kidney (N20.0) (from E79)
  • combined immunodeficiency disorders (D81.-) (from E79)
  • Fanconi's anemia (D61.09) (from E79)
  • gout (M1A.-, M10.-) (from E79)
  • orotaciduric anemia (D53.0) (from E79)
  • progeria (E34.8) (from E79)
  • Werner's syndrome (E34.8) (from E79)
  • xeroderma pigmentosum (Q82.1) (from E79)

Excludes2

Not included here — may be reported together when both conditions exist.

  • Ehlers-Danlos syndromes (Q79.6-) (from E79)

Also known as

  • HGPRT deficiency
  • Arthropathy, gouty, in Lesch-Nyhan syndrome
  • Deficiency, deficient, hypoxanthine-

Parent code

  • E79Disorders of purine and pyrimidine metabolismHeader

Related codes

  • E79.0Hyperuricemia without signs of inflammatory arthritis and tophaceous diseaseBillable
  • E79.2Myoadenylate deaminase deficiencyBillable
  • E79.8Other disorders of purine and pyrimidine metabolismHeader
  • E79.9Disorder of purine and pyrimidine metabolism, unspecifiedBillable

Browse