E72.4 - Disorders of ornithine metabolism
- Applicable to Disorders of ornithine metabolism
- The 2025 edition of ICD10-CM E72.4 became effective on October 1, 2024.
- This is the American ICD10-CM version of E72.4 - other international versions of ICD10 E72.4 may differ.
- E72.4 is a Billable / Specific ICD10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
Inclusion Term
- Hyperammonemia-Hyperornithinemia-Homocitrullinemia syndrome
- Ornithinemia (types I, II)
- Ornithine transcarbamylase deficiency
Type 1 Excludes
- hereditary choroidal dystrophy (H31.2-)
The following codes above E72.4 contain annotation back-references that may be applicable to E72.4:
Chapter: E00-E89 Endocrine, nutritional and metabolic diseases
Section: E70-E88 Metabolic disorders
Category: E72 Other disorders of amino-acid metabolism
Billable/Specific Code
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