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Test Code Billings Clinic: 5003 ABO and Rh, Blood

Additional Codes

Ordering Mnemonic
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)