Methodology
Visual inspection for the formation of Cryoglobuli; Cryocrit calculation, if positive
Synonyms
Cryglobulin, Qualitative
Specimen Type
Serum
Performing Lab
Quest Diagnostics San Juan Capistrano
Epic ID
LAB01189
Lab Test Days
Sunday-Friday
Standard TAT
5-7 Days
Collection Information
Specimen Required
4-6 mL Blood
Container Type
Red Top (No Additive)
Collection Instructions
Overnight fasting is required. Avoid hemolysis. After collection, place specimen in a heat pack or warm bath and deliver to lab asap.
Processing Information - Lab Use Only
Transport Temperature
Ambient-Only
Specimen Stability
Room Temp: 72 Hours; Refrigerated: Unacceptable; Frozen: Unacceptable
Rejection Criteria
Gross hemolysis; Lipemia; Refrigerated or frozen samples; Icterus samples; Serum Separator Tube (SST)
Test Volume Required
3 mL Incubated Serum
Minimum Test Volume
2 mL Incubated Serum
Processing Instructions
Allow serum to clot for ONE HOUR in 37 C water bath, oven, incubator, or heat block. After clotting, centrifuge the specimen for 10 minutes at 3000 rpm utilizing on of the 3 options below: 1) In a "warm" centrifuge at 37 C; 2) In a bech-top centrifuge placed in a "warm room" at 37 C; 3) At room temp, in a bench-top centrifuge pre-warmed by running it for 10 minutes at 2000 rpm. After centrifuging, decant serum into a screw-cap vial. Transport at room temp. Avoid hemolysis. NOTE: No other tests can be added to the tube; cryocrit and cryoglobulin evaluation only.
CPT Codes
82595
Revised
10-09-17
Initials
SL