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Cryoglobulin, qualitative with quantitative reflex-14596

Test info

Test name:

Cryoglobulin, qualitative with quantitative reflex

Test number:

14596

Excellian order number:

LAB14596

Abbreviation:

CRYOGLOBULIN

Tests included:

Qualitative test for cryoglobulin
Reflex quantitation (as percentage) and immunofixation of cryoprecipitate if positive.

Useful for:

Cryoglobulins may be present in macroglobulinemia of Waldenström, myeloma, chronic lymphocytic leukemia, lupus, chronic active hepatitis, and other viral infections.

Specimen

Patient preparation information:

Patient should be fasting

Fasting for a blood test

Specimen type:

Serum, prewarmed

Collection container:

Red serum vial/tube, 10 mL

Volume:

3.0 mL

Minimum volume:

2.0 mL

Collection instructions:

Specimen must be drawn in a prewarmed tube and kept at 37°C while clotting.

Due to strict temperature requirements for this test, if you do not have a 37°C incubator or water bath, this test must be collected at an Allina Health Hospital Laboratory reception area.

Processing instructions:

Allow sample to clot
Separate serum from cells immediately after clot formation (keep at 37°C while clotting)
Transfer serum into a Labcorp transport tube, labeled as "Prewarmed serum."
Maintain at room temperature after separation.

Transport container:

Transfer vial/tube with cap - 12mL (LabCorp)

Transport and stability:

Ambient (strict) -

Reason for rejection:

Specimen not allowed to clot at 37°C
Patient not fasting
Lipemia
Gel-barrier tube used for collection
Whole blood received

Performance

Performing lab:

LabCorp (001594): R-LC

Days set up:

Daily

TAT:

8 days

Method:

Visual observation of refrigerated samples

Clinical and Interpretive info

Reference ranges:

None detected

Billing

CPT codes:

82595

If reflex testing is performed, concomitant CPT codes/charges will apply

Tracking

Date created:

07/18/2022

Revised date:

04/18/2023

Review date:

07/18/2022