Laboratory Services
Type and Screen
Print this pageUpdated Test Information:
Test Description |
Type and Screen
|
|
---|---|---|
Synonym(s) |
Blood Group, Blood Type, Antibody Screen |
|
Test ID |
TAS
|
|
General Information |
ABO/Rh determines the blood group (ABO) and Rh type (pos or neg). ABS detects antibodies directed against red blood cell antigens. The Blood group, Rh type, and Antibody Screen of expectant mothers may indicate potential for hemolytic disease of the fetus/newborn. Rh typing is used to determine Rh immune globulin candidacy for prenatal and postpartum patients. |
|
Specimen Type |
Whole Blood |
|
Alternate Specimen Type |
None |
|
Specimen Requirements |
2 Lavender or 1 Pink (EDTA) |
|
Specimen Collection / Processing Instructions |
Lavender - The specimen should be tested as soon as possible after collection. If testing is delayed, EDTA specimens should be stored at 2 to 8°C. Draw an extra lavender tube in case of Antibody ID reflex |
|
Minimum Sample Volume |
6 ml |
|
Pediatric Min. Volume (if applicable) |
6 ml |
|
Stability |
Refrigerated 10 days |
|
Unacceptable Specimen Conditions |
Grossly hemolyzed, icteric, or lipemic samples. Frozen samples. Bacterial contamination. |
|
Limitations |
Individuals younger than four months may not have developed sufficient antibody to allow for detection in reverse typing test. |
|
Methodology |
Hemagglutination/gel filtration |
|
Estimated TAT |
1-3 days |
|
Testing Schedule |
Monday - Saturday |
|
Test Includes |
ABORH, ABS |
|
CPT Code(s) |
86900 |
|
Reflex Conditions |
If antibody screen is positive, antibody identification and titer will be performed. Please allow additional time for testing to be completed. |
|
Performing Lab |
Incyte Diagnostics |
|
LOINC Code(s) |
34532-2 |