Cryoglobulin Screen
Test Code
CRYOG
Description
Collect
Two full 10 mL red top vacutainers warmed to body temperature, no preservatives, no serum separators. Serum from a plain red top is the only acceptable sample type. Gel barrier tubes are not acceptable.
Pediatric Collection
Minimum volume: 10 mL serum
Storage Transport Temp
Send serum Priority Overnight via FedEx and in a well insulated container at ambient temperature.
Stability
Notes
It is CRITICAL that the specimen be kept warm while the blood is clotting. The cryoprecipitate may be lost in the clot if the blood becomes chilled.
Performed
Monday - Friday
Methodology
Manual
Turnaround Time
18 Business days
If a Positive result, reflex testing can take 4-6 weeks
Department
Complement Lab
Study Offerings
CAP/CLIA
Reference Interval
<0.2% precipitate from original serum volume
CPT Code
82595
New York Approved
No: Run with Waiver
FDA
LDT