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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).

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

Specimen Volume

30 mL

Minimum Volume

10 mL

Turnaround Time

24 hours

Test Schedule

Daily

Specimen Processing

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

Method

Agglutination

Reference Ranges

Normal <1:64

Test Components

Cold Agglutinins, Titer.

CPT Codes

86157

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