Free Diagnosis Codes Lookup > 2008 > Endocrine, Nutritional And Metabolic Diseases, And Immunity Disorders 240-279 > Other Metabolic Disorders And Immunity Disorders 270-279 > Disorders of amino-acid transport and metabolism 270.* >
disorders affecting amino acid metabolism; majority of these disorders are inherited and present in the neonatal period with metabolic disturbances (for example, acidosis) and neurologic manifestations; present at birth, although they may not become symptomatic until later in life.
ICD-9-CM Volume 2 Index Entries That Refer To 270.9