Definition of Guthrie test in English:

Guthrie test

Line breaks: Guth|rie test


  • A routine blood test carried out on babies a few days after birth to detect the condition phenylketonuria.
    More example sentences
    • The Guthrie test (bacterial inhibition assay) is one of the tests used to determine the phenylalanine level in the blood.
    • The heel prick test (Guthrie test) is done on all newborn babies shortly after birth to identify PKU at an early age.
    • Babies are given a blood test (heel prick test or Guthrie test) when they are born, to look for some serious conditions such as sickle cell disease, under-active thyroid, phenylketonuria, and cystic fibrosis.


named after Robert Guthrie (1916–95), American microbiologist.

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