[Leonard Apt, U.S. pediatric ophthalmologist]
A test used originally to identify the source of black (bloody) stools in newborn infants; it is now used in modified form to distinguish fetal from maternal hemoglobin in blood samples from any source, e.g., the umbilical cord or the gastrointestinal tract.
SEE: swallowed blood syndrome
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Venes, Donald, editor. "Apt Test." Taber's Medical Dictionary, 24th ed., F.A. Davis Company, 2021. Nursing Central, nursing.unboundmedicine.com/nursingcentral/view/Tabers-Dictionary/752135/all/Apt_test.
Apt test. In: Venes DD, ed. Taber's Medical Dictionary. F.A. Davis Company; 2021. https://nursing.unboundmedicine.com/nursingcentral/view/Tabers-Dictionary/752135/all/Apt_test. Accessed May 6, 2021.
Apt test. (2021). In Venes, D. (Ed.), Taber's Medical Dictionary (24th edition). F.A. Davis Company. https://nursing.unboundmedicine.com/nursingcentral/view/Tabers-Dictionary/752135/all/Apt_test
Apt Test [Internet]. In: Venes DD, editors. Taber's Medical Dictionary. F.A. Davis Company; 2021. [cited 2021 May 06]. Available from: https://nursing.unboundmedicine.com/nursingcentral/view/Tabers-Dictionary/752135/all/Apt_test.
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