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E70

Disorders of aromatic amino-acid metabolism

E70.0

Classical phenylketonuria

E70.1

Other hyperphenylalaninemias

E70.2

Disorders of tyrosine metabolism

• transitory tyrosinemia of newborn (P74.5)

E70.20

Disorder of tyrosine metabolism, unspecified

E70.21

Tyrosinemia

• Hypertyrosinemia

E70.29

Other disorders of tyrosine metabolism

• Alkaptonuria
• Ochronosis

E70.3

Albinism

E70.30

Albinism, unspecified

E70.31

Ocular albinism

E70.310

X-linked ocular albinism

E70.311

Autosomal recessive ocular albinism

E70.318

Other ocular albinism

E70.319

Ocular albinism, unspecified

E70.32

Oculocutaneous albinism

• Chediak-Higashi syndrome (E70.330)
• Hermansky-Pudlak syndrome (E70.331)

E70.320

Tyrosinase negative oculocutaneous albinism

• Albinism I
• Oculocutaneous albinism ty-neg

E70.321

Tyrosinase positive oculocutaneous albinism

• Albinism II
• Oculocutaneous albinism ty-pos

E70.328

Other oculocutaneous albinism

• Cross syndrome

E70.329

Oculocutaneous albinism, unspecified

E70.33

Albinism with hematologic abnormality

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

• Piebaldism

E70.4

Disorders of histidine metabolism

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

E70.9

Disorder of aromatic amino-acid metabolism, unspecified