- E72.4 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
- The 2024 edition of ICD-10-CM E72.4 became effective on October 1, 2022.
- This is the American ICD-10-CM version of E72.4 – other international versions of ICD-10 E72.4 may differ.
ICD-10-CM E72.4 is grouped within Diagnostic Related Group(s):
- 642 Inborn and other disorders of metabolism
Applicable To
- Hyperammonemia-Hyperornithinemia-Homocitrullinemia syndrome
- Ornithinemia (types I, II)
- Ornithine transcarbamylase deficiency
Type 1 Excludes
- hereditary choroidal dystrophy (H31.2-)
Code History
- 2016 (effective 10/1/2015): New code (first year of non-draft ICD-10-CM)
- 2016 (effective 10/1/2015): No change
- 2017 (effective 10/1/2016): No change
- 2018 (effective 10/1/2017): No change
- 2019 (effective 10/1/2018): No change
- 2020 (effective 10/1/2019): No change
- 2021 (effective 10/1/2020): No change
- 2022 (effective 10/1/2021): No change
- 2024 (effective 10/1/2022): No change
Diagnosis Index entries containing back-references to E72.4:
- ornithine transcarbamylase > Deficiency, deficient
- ornithine > amino-acid E72.9
- ornithine > metabolism NOS E88.9
- ornithine metabolism > Disorder (of)
- ornithine transcarbamylase deficiency > urea cycle metabolism E72.20
- ornithine > metabolism E88.9
- ornithine > Hyperaminoaciduria
- hyperammonemia-hyperornithinemia-homocitrullinemia > Syndrome