Neonatal transient hyperammonemia; Transient hyperammonemia in infancy ICD-10-CM Diagnosis Code E72.20 [convert to ICD-9-CM] Disorder of urea cycle metabolism, unspecified
E72. 20 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes. The 2020 edition of ICD-10-CM E72. Hereof, what causes high ammonia levels?
Includes: Hyperammonemia-Hyperornithinemia-Homocitrullinemia syndrome, Ornithinemia (types I, II), Ornithine transcarbamylase deficiency
Survivors of the neonatal onset and childhood/adult onset disorders share common risks for encephalopathies, metabolic, inborn; and respiratory alkalosis due to hyperammonemia. ICD-10-CM E72.20 is grouped within Diagnostic Related Group (s) (MS-DRG v38.0): 642 Inborn and other disorders of metabolism Convert E72.20 to ICD-9-CM
Elevated level of ammonia in the blood. It is a sign of defective catabolism of amino acids or ammonia to urea. Inherited errors in the metabolic reactions occurring in the liver that convert ammonia to urea, resulting from inborn genetic mutations. Rare congenital metabolism disorders of the urea cycle.
The 2022 edition of ICD-10-CM E72.20 became effective on October 1, 2021.
Clinical Information. A genetic inborn error of metabolism characterized by the deficiency of one of the enzymes necessary for the urea cycle. It results in accumulation of ammonia in the body. A laboratory test result indicating increased levels of ammonia in the blood. Elevated level of ammonia in the blood.
The 2022 edition of ICD-10-CM E72.4 became effective on October 1, 2021.
Neonatal hyperammonemic coma lasting longer than 48 hours usually results in cortical atrophy and mental retardation.