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E72.4 - Disorders of ornithine metabolism

The ICD 10 Code for Disorders of ornithine metabolism is listed as E72.4.
Additional information concerning this code and description can be found below including ICD 9 crosswalks / GEMS, chapter information, and DRGs where available.

ICD 10 CM Field Value
Diagnosis Code: E72.4
Description: Disorders of ornithine metabolism
  • Hyperammonemia-Hyperornithinemia-Homocitrullinemia syndrome
  • Ornithinemia (types I, II)
  • Ornithine transcarbamylase deficiency
  • Excludes1: hereditary choroidal dystrophy (H31.2-)
Diagnostic Related Groups
(MS-DRG v30.0)
642 - Inborn And Other Disorders Of Metabolism
Chapter Endocrine, nutritional and metabolic diseases (E00-E89)
Block Metabolic disorders (E70-E88)
Parent E72 - Other disorders of amino-acid metabolism
ICD-9-CM Diagnosis Codes General Equivalence Mappings (GEMS):
ICD 9 Dx Code: 270.6 - Disorders of urea cycle metabolism (approximate)
ICD-10-CM Siblings (same level / similar specificity) of E72.4:
E72.0 - Disorders of amino-acid transport
E72.1 - Disorders of sulfur-bearing amino-acid metabolism
E72.2 - Disorders of urea cycle metabolism
E72.3 - Disorders of lysine and hydroxylysine metabolism
E72.5 - Disorders of glycine metabolism
E72.8 - Other specified disorders of amino-acid metabolism
E72.9 - Disorder of amino-acid metabolism, unspecified