Test Code Billings Clinic: 5003 ABO and Rh, Blood
Additional Codes
Ordering Mnemonic |
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MayoAccess: BCL475 |
Performing Laboratory
Billings Clinic Laboratory: Blood Bank
Useful For
This test is performed to determine blood type (ABO/Rh) for patient’s prior to transfusion, on expectant mothers during pregnancy, and on newborn infants.
Methodology
Agglutination
Specimen Requirements
Submit only 1 of the following specimens:
- If specimen being drawn may result in a transfusion, patient must be wearing an identification bracelet. A Typenex® (Fenwal) identification band must be completed and placed on patient’s left wrist at time of draw.
- All specimens must be completely labeled in accordance with the American Association of Blood Banks’ (AABB) requirements.
- If specimen is spun down, label appropriately (plasma or serum) and send along with RBCs.
EDTA Whole Blood (Preferred Specimen Type)
- Draw a full, lavender-top (EDTA) tube, 5 ml or 9 mL
- Send the unprocessed EDTA whole blood refrigerated.
- Do not centrifuge.
- Forward unprocessed whole blood promptly.
- If there is a delay in transport of ≥6 hours, spin down and send plasma and RBCs refrigerated.
Whole Blood
- Draw a full, plain, red-top tube
- Send 7 mL of unprocessed whole blood refrigerated.
- Do not centrifuge. Forward unprocessed whole blood promptly.
- If there is a delay in transport of ≥6 hours, spin down and send serum and RBCs refrigerated.
Reject Due To
- Specimen received in serum gel tube
- Specimen received in plasma gel tube
Reference Values
Not applicable
Day(s) Test Set Up
Daily
Test Classification and CPT Coding
86900 - blood typing; ABO
86901 - Rh (D)