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Test Code Billings Clinic: 5009 Antibody Identification, Blood

Performing Laboratory

Billings Clinic Laboratory: Blood Bank

Methodology

MTS Gel Card

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

  • Draw a full, lavender-top (EDTA) tube.
  • Send 9 mL of 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.
  • Include report of diagnosis and history of transfusions, pregnancy, and drug therapy.

Whole Blood

  • Draw a full, plain, red-top tube.
  • Send 14 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.
  • Include report of diagnosis and history of transfusions, pregnancy, and drug therapy.

Reject Due To

  • Specimen received in serum gel tube
  • Specimen received in plasma gel tube

Reference Values

Negative

Day(s) Test Set Up

Daily

Test Classification and CPT Coding

86870 - antibody identification

86880 - coombs, direct (if appropriate)

86886 - antibody titer (if appropriate)

86902 - antigen screen (if appropriate)

Profile/Testing Information

Reflex Information:

  • Prenatal specimens will reflex to Billings Clinic: #5014 “Antibody Titer, Blood” if appropriate.
  • It may also reflex to Billings Clinic: #5165 “Antigen Screen, Blood” and Billings Clinic: #5007 “Coombs, Direct, Blood.”
  • Consultation with the reference laboratory may also be needed.
  • If Billings Clinic: #5009 “Antibody Identification, Blood” is positive; further testing is indicated which may include: Billings Clinic: #5009 “Antibody Identification, Blood”; Billings Clinic: #5165 “Antigen Screen, Blood”; and Billings Clinic: #5007 “Coombs, Direct, Blood.”
  • This test may automatically reflex to other tests. An additional fee may be added.
  • The ordering physician/provider must indicate if the reflex test is NOT DESIRED. Indicate on order if no reflex test is desired.

General Information:

  • Antibody identification is performed when the result of the antibody screen (Coombs, Indirect) portion of Billings Clinics: #5006 “Type and Screen, Blood” is positive or Billings Clinic: #5005 “Antibody Screen (Coombs, Indirect), Blood” is positive.
  • The identification can usually be completed in a matter of hours, but occasionally a reference laboratory consultation is necessary.