Cryoglobulin

Specimen:

Test Code

YCRYR

Specimen Name

Cryoglobulin

Collect

1-Pre Warmed Plain Red Top

Submit

3 mLs (Min: 1 mL) Serum Ambient

Special Handling

Fasting specimen required: Overnight or minimum of 8 hours fasting.
1) Draw approximately 7 mL of blood into a prewarmed (37°C) plain red tube. Alternatively: draw into a prewarmed (37°C) syringe and immediately transfer blood to a prewarmed (37°C) plain red tube.
2) Maintain collected blood at 37°C until clotting is complete (up to 1 hour).
3) Separate serum from cells ASAP. Transfer 3 mL serum to a standard transport tube.
Proper collection and transport of specimen is critical to the outcome of the test. Submitting quantities less than 3 mL may affect the sensitivity of the test.

Rejection Criteria

Plasma. Serum separator tubes (SST or clot-activating tubes). Grossly hemolyzed or lipemic specimens.

Stability

Ambient 1 week; Refrigerated 1 week; Frozen Unacceptable

Methodology

Qualitative Cold Precipitation

Performed

Sunday - Saturday

Reported

5-7 days

CPT Codes

  • 82595

Components

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Additional Information

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Common Lab Definitions

  • Serum 
  • Plasma 
  • STT