Specimen:
Collect
- Red Top
Submit
- 3 mL (Min:1 mL) Serum . Submit Ambient. Submit in a Standard Transport Tube.
Special Handling
- Fasting specimen is required: overnight or minimum of 8 hours fasting.
Plain red tube must be prewarmed (37 degrees C) and must remain at 37 degrees C until clotting is complete.
Proper collection and transport of specimen is critical to the outcome of the test. Submitting quantities less than 3mL may affect the sensitivity of the test.
Specimen Preparation:
1) Draw approximately 7 mL of blood into a prewarmed (37 degrees C) plain red tube. Alternatively: draw into a prewarmed syringe and immediately transfer blood to a prewarmed plain red tube.
2) Maintain collected blood at 37 degrees C until clotting is complete.
3) Separate serum from cells within 1 hour of collection. Transfer 3mL serum to an ARUP standard transport tube (min 1 mL).
Rejection Criteria
- Gel barrier/serum separator tube
- Grossly Hemolyzed Samples
- Grossly Lipemic Samples
- Plasma
- Clot-activating tubes
Stability
Ambient: 1 Week(s); Refrigerated: 1 Week(s); Frozen: Unacceptable; Incubated: Unacceptable
Methodology
- Cold Precipitation
Performed
Sun-Sat
Reported
4-6 Day(s)
CPT Codes
- 82595
Components
- 94403 - CRYOGLOBULIN, QUAL
Last Updated: July 27, 2026 @ 9:13 am
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