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Lab Manual for UCSF Clinical Laboratories

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Item Value
Available Stat? No
Test code CRYF
Performed by Quest
Sendout? Yes
Method Preceiptation
Collection Instructions Both samples must be kept at 37C after collection and transported immediately to lab for processing.
Container type Red top AND Lavender top
Amount to Collect
Red top 10 mL blood
Lavender top 6 mL blood
Sample type Serum and EDTA plasma
Preferred volume
Serum 5 mL
Plasma 3 mL
Min. Volume
Serum 2 mL
Plasma 2 mL
Processing notes Serum: Allow sample to clot at 37C and then centrifuge and aliquot sample.

Plasma: Maintain sample at 37 degrees, centrifuge and aliquot

After alliquoting transport samples at room temperature to China basin. DO NOT refrigerate or freeze.
Normal range Negative
Stability After alliquoting samples are stable for 5 days at room temperature.
Turn around times 5-7 days
CPT coding 82585-90, 82595-90
Last Updated 5/22/2013 1:34:10 PM
Entry Number 1504
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