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Test Directory Antibody Screen (Indirect Coombs)

Antibody Screen (Indirect Coombs)

Test Summary

This test is used to detect and identify unexpected antibodies directed against red blood cell antigens for use in pretransfusion testing, organ/tissue transplantation, evaluation of transfusion reactions, and to determine the risk for hemolytic disease of the fetus and newborn (HDFN).

Aliases

AB Screen
Antibody Screen
Antibody Screen (Coombs, Indirect)
Atypical Antibody Screen
Coombs Indirect
Indirect Antiglobulin Test
Indirect Coombs

Specimen Collection

Special Instructions

N/A

Preferred Specimen

1 full large (6 mL) K2EDTA (lavender top or pink top) or two full (3 mL) K2EDTA (lavender top) tube(s).
Pink Top recommended

Minimum Volume

3 mL K2EDTA blood (lavender top or pink top) 1 full 3 mL tube or half filled 6 mL tube. 2 mL whole blood

Instructions

Avoid hemolysis. Gently invert 10 times.

Patient Preparation

N/A

Storage

K2EDTA (lavender top) tube or K2EDTA (pink top) tube---not provided by CompuNet

Transport Temperature

Refrigerated

Specimen Stability

Room Temperature = n/a
Refrigerated = 3 days
Frozen = n/a

Limitations

N/A

Other Acceptable Specimens

N/A

Unacceptable Specimens

Rejected for gross hemolysis

Order Code

IATT

EPIC (Premier) Code

LAB625

Includes

When a Antibody Screen is positive, identification of the antibody will be included.

CPT Code

86850

Billing Code

300000

CPT Statement

Methodology

Solid Phase Technology

FDA Status

FDA Approved

Physician Attestation of Informed Consent

N/A

Testing Laboratory

CompuNet Clinical Laboratories, LLC
2308 Sandridge Drive
Moraine OH, 45439

Reference Range

N/A

Setup Schedule / Expected Turnaround Time

Sunday - Saturday; Report available: 1 day