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Test Code LAB4059 COLD AGGLUTININS

Important Note

Obtain pre-warmed 10mL Red top tube and heat pack prior to drawing.  Use activated heat pack to keep specimen warm (37°C) after collection . Immediately walk specimen to Chemistry (Do Not Use Tube System). Do Not Centrifuge.

Specimen Type

Pre-warmed Red top tube (plain, no Gel).

Specimen Volume

30 mL

Minimum Volume

10 mL

Turnaround Time

24 hours

Test Schedule

Daily

Method

Agglutination

Reference Ranges

Normal <1:64

CPT Codes

86157

Test Components

Cold Agglutinins, Titer.

Specimen Processing

Do not Centrifuge. Allow Red top tube to clot while submerged in 37°C water bath for approimately 2 hours.

Collection Instructions

Specimens must be kept warm (37°C) from time of collection. After collection, place tube in 37°C waterbath (submerged).

See also:

Cold Agglutinins Procedure

Rejection Criteria

Separator tubes (SST/Corvac); Sample not collected in Pre-warmed tube;Samples that did not clot in 37°C waterbath; Refrigerated samples.

 

Limitations

  • False negative results will occur if specimen is refrigerated prior to separation of serum.
  • This test is not a direct measure of clinical significance and must be used in conjunction with other in vitro and in vivo parameters