Apt Test, Qualitative Fetal Hemoglobin
Stool or Amniotic Fluid
College Stool or 1 mL Amniotic Fluid in Sterile Container.
0800-1630 Monday through Friday. For additional services,
contact Clinical Pathology Resident on-call at pager #3404.
24 hours (upon receipt in laboratory)
This is a screening test for fetal versus maternal blood. A grossly
bloody stool from a newborn or a grossly bloody amniotic fluid are
specimens of choice. There must be enough blood present to make a
pink hemolysate. Bloody diapers may be submitted.
Alkali denaturization of hemoglobin