Test Code INFAN Type, Rh, and Direct Antiglobulin Test (DAT), Infant Heelstick
Performing Laboratory
Chilton Hospital Laboratory-Blood BankMethodology
HemagglutinationIncludes ABO, Rh type, and direct Coombs.
Specimen Requirements
Specimen Type: Whole bloodContainer/Tube: Lavender top (EDTA) Microtainer
Specimen Volume: 1 mL
Collection Instructions: Mother and baby demographics must be indicated on tube. Label as follows:
Baby’s Information:
1. Name of baby (last name, boy or girl)
2. Baby’s 6 digit hospital ID number
3. Birthdate
4. Initials of collector
5. Place labeled Microtainer inside an empty 10-mL, plain, red-top tube and label with the following information:
Mother’s Information
1. Mother’s name
2. Mother’s hospital ID number
3. Time and date of draw
4. Initials of collector
Additional Information: A computer-generated label with patient information may be used as long as all of the above requirements are met.
Specimen Transport Temperature
AmbientReference Values
ABO and Rh TYPENot applicable
COOMBS, DIRECT
Critical value (automatic call-back): positive
Day(s) Test Set Up
Monday through SundayAvailable STAT
Turnaround Time:
Routine-8 hours (Longer if discrepancy/antibodies are detected.)