Antibody Screen (Indirect Coombs)

Message
For Specimen Integrity during Extreme Weather see the “Lockbox Usage in Extreme Weather” document at the top of this page.


Test Code
IATT


Alias/See Also
795;
AB Screen;
Antibody Screen;
Antibody Screen (Coombs, Indirect);
Atypical Antibody Screen;
Atypical Antibody Screen and Titer;
Coombs Indirect;
Indirect Antiglobulin Test;
Indirect Coombs;
RBC Anti


CPT Codes
86850

Preferred Specimen
1 full large (6 mL) K3EDTA (lavender top or pink top) or two full (3 mL) K3EDTA (lavender top) tube(s).
Pink Top recommended


Minimum Volume
3 mL K3EDTA 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.


Transport Container
K3EDTA (lavender top) tube or K3EDTA (pink top) tube---not provided by CompuNet


Transport Temperature
Refrigerated
 


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


Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
Rejected for gross hemolysis


Methodology
Tube

Setup Schedule
Sunday - Saturday
RFMVH


Report Available
1 day


Clinical Significance
This test is used to detect significant RBC antibodies.


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



The CPT Codes provided in this document are based on AMA guidelines and are for informational purposes only. CPT coding is the sole responsibility of the billing party. Please direct any questions regarding coding to the payor being billed. Any Profile/panel component may be ordered separately. Reflex tests are performed at an additional charge.