E70.4 Disorders of histidine metabolism

Non-billable header with 3 child codes.

Codes under E70.4

• E70.40 Disorders of histidine metabolism, unspecified
• E70.41 Histidinemia
• E70.49 Other disorders of histidine metabolism

Code annotations containing back-references to E70.4

Back-references to E70

• Type 1 Excludes: E72 Other disorders of amino-acid metabolism ("aromatic amino-acid metabolism (E70.-)")
• Type 2 Excludes: G11 Hereditary ataxia ("metabolic disorders (E70-E88)")
• Code First: G63 Polyneuropathy in diseases classified elsewhere ("metabolic diseases (E70-E88)")
• Type 2 Excludes: G71 Primary disorders of muscles ("metabolic disorders (E70-E88)")
• Code First: H42 Glaucoma in diseases classified elsewhere ("specified metabolic disorder (E70-E88)")
• Type 2 Excludes: N25.0 Renal osteodystrophy ("metabolic disorders classifiable to E70-E88")
• Type 2 Excludes: N25.81 Secondary hyperparathyroidism of renal origin ("metabolic disorders classifiable to E70-E88")
• Type 1 Excludes: P59 Neonatal jaundice from other and unspecified causes ("jaundice due to inborn errors of metabolism (E70-E88)")
• Type 1 Excludes: R79 Other abnormal findings of blood chemistry ("specific findings indicating disorder of amino-acid metabolism (E70-E72)")
• Type 1 Excludes: R79.83 Abnormal findings of blood amino-acid level ("disorders of amino-acid metabolism (E70-E72)")

Nearby codes

• E70.330 Chediak-Higashi syndrome
• E70.331 Hermansky-Pudlak syndrome
• E70.338 Other albinism with hematologic abnormality
• E70.339 Albinism with hematologic abnormality, unspecified
• E70.39 Other specified albinism
• E70.4 Disorders of histidine metabolism (this code)
• E70.40 Disorders of histidine metabolism, unspecified
• E70.41 Histidinemia
• E70.49 Other disorders of histidine metabolism
• E70.5 Disorders of tryptophan metabolism
• E70.8 Other disorders of aromatic amino-acid metabolism