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Alias Names: AB Screen
Methodology: Solid Phase Antibody Adherence / Hemagglutination (HA) / Indirect Antiglobulin Test (IAT)
Edit Date: 3/17/2009
Performed: Monday-Friday (except holidays); STAT testing performed daily
Released: Next day (Monday if received Friday)
CPT Code: 86850
Specimen Collection Details
Collection: Two dedicated 6 mL pink top tubes (EDTA). Also acceptable: Three 4 mL lavender top tubes (EDTA).
Handling: Do not centrifuge or separate plasma. Print patient’s full name and birthdate on tube. Do not cover original label if it contains handwritten information.
Stability: 72 hours.
Standard Volume: 12 mL whole blood.
Minimum Volume: 3 mL whole blood. Note: Minimum volume will not be sufficient to perform identification of antibodies, if present.
Transport: Refrigerated preferred, or ambient.
Comments: Antibody Identification (51000) will be performed if antibody screen is positive. An additional charge will be added for this test.
Rejection Criteria: Gross hemolysis; serum separator tube (SST); incorrect or incomplete labeling; discrepancy between requisition and specimen label.


PeaceHealth Laboratories