Apt Test, Qualitative Fetal Hemoglobin
Label Mnemonic: APT
Epic Lab Code: LAB1137
Downtime Form: A-1a General Laboratory Requisition
Hematology
6240 RCP
356-3527
Specimen(s):
Stool or Amniotic Fluid
Collection Medium:
Sterile container
Minimum:
College Stool or 1 mL Amniotic Fluid in Sterile Container.
Testing Schedule:
0800-1630 Monday through Friday. For additional services, contact Clinical Pathology Resident on-call at pager #3404.
Turn Around Time:
24 hours (upon receipt in laboratory)
Comments:
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.
Methodology:
Alkali denaturization of hemoglobin
CPT Code:
83033