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HelpTest Code PRERBC Prepare RBC LAB282
Test Method
Antigen antibody agglutination; Ortho
Performance
Testing is performed Monday through Sunday.
Routine orders: Typically completed within 4 hours after
specimen arrives at the testing site.
STAT orders: 5 minutes once a a negative antibody screen has
been resulted. Will take longer if the patient has a red
cell
antibody.
Specimen Requirement
A 5ml EDTA purple-top tube is preferred.
7-10 mL red-top, 5 mL heparin green-top or 5 mL
blue-top
tubes are also acceptable. Serum and plasma gel tubes are not
acceeptable. Micro specimen may be obtained wih a
capillary
collection device.
Useful For
Selecting compatible blood products for transfusion therapy
Reference Values
Compatible
If the patient has a positive antibody screen, an Expanded
Compatibility test will be performed.
CPT Code Information
86920 Transfusion Services; Compatibility test each unit;
immediate spin technique
LOINC Code Information
1251-8 Major Crossmatch [Interpretation] By Immediate Spin