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8992M
COLD AGGLUTININ TITER, SERUM

Test Code 8992M 
Test COLD AGGLUTININ TITER, SERUM 
Methodology Titration-Red Cell Agglutination at 4 Degrees C 
Description Useful For:
Detection of cold agglutinins in patients with suspected cold
agglutinin disease 
Specimen Draw blood in a plain, red-top tube(s). (Serum gel tube is not
acceptable.) Spin down and send 4 mL of serum. Do not refrigerate prior to separation of serum from red cells. Separate serum from red cells immediately after blood clot, and send serum refrigerated. 
Reference Values SCREEN
Negative
If positive, results are titered.

TITER
<1:64 

Analytic Time 3 Days 
Day(s) Test Set Up Sunday through Friday 
CPT Code(s) 86156  Screen
86157  Titer (if appropriate)