5C50.02

ICD-11 MMS 2026-01

Embryofetopathy due to maternal phenylketonuria

Description

Maternal phenylalaninaemia refers to developmental anomalies that may occur in offspring of women affected by phenylketonuria (PKU), and include fetal development disorders, including microcephaly, intrauterine growth retardation, and subsequent intellectual deficit, and embryo development disorders such as heart defects (usually conotruncal), corpus callosus agenesis, neuronal migration disorders, facial dysmorphism and more rarely cleft palate, tracheo-oesophageal abnormalities.

Index terms

  • Embryofetopathy due to maternal phenylketonuria
  • Hyperphenylalaninaemic embryopathy
  • Maternal hyperphenylalaninaemia
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  • Maternal phenylketonuria
  • Phenylketonuric embryopathy

Exclusions from above levels

  • http://id.who.int/icd/entity/1191191920 – Disorders of lipoprotein metabolism or certain specified lipidaemias
  • 3A10.Z – Hereditary haemolytic anaemia due to enzyme deficiency
  • 5A71.01 – Congenital adrenal hyperplasia
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  • 5A81.1 – 5-alpha-reductase deficiency
  • LD28.01 – Marfan syndrome
  • LD28.1 – Ehlers-Danlos syndrome
  • LD2A.4 – androgen resistance syndrome
  • 18 – Pregnancy, childbirth or the puerperium
  • http://id.who.int/icd/entity/1004987305 – Transitory endocrine or metabolic disorders specific to fetus or newborn

Sibling codes

  • 5C50.00 – Classical phenylketonuria
  • 5C50.01 – Nonclassical phenylketonuria
  • 5C50.0Y – Other specified phenylketonuria
  • 5C50.0Z – Phenylketonuria, unspecified

Foundation entity

Embryofetopathy due to maternal phenylketonuria – http://id.who.int/icd/entity/1509230254

Part of: 5C50.0: Phenylketonuria › 5C50: Inborn errors of amino acid or other organic acid metabolism › 05: Endocrine, nutritional or metabolic diseases