Allina Health Laboratory a part of Abbott Northwestern Hospital



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Test Name:Protein C antigen
Test Number:994
Collect:2.0 mL Na citrate plasma - lt blue
Minimum Volume:1.0 mL
Container:LabCorp screw-capped purple frozen plastic transport tube
Processing:Spin, separate and freeze.
Transport/Stability:Frozen (strict)
Alternate Names:Protein C-Immunological

Performing Lab:LabCorp Burlington (080465); R-NX
Days Set Up:Daily
Expected TAT:1 - 4 days
Ref. Ranges:60 − 150 %

Protein C levels tend to be lower in newborns but typically reach adult ranges by six months of age. Levels in some children remain low until 16 years of age
Processing Details:
Useful for:
Confirmation and characterization of protein C deficiency.

Blood should be collected in a blue-top tube containing 3.2% buffered sodium citrate. Evacuated collection tubes must be filled to completion to ensure a proper blood-to- anticoagulant ratio. The sample should be mixed immediately by gentle inversion at least six times to ensure adequate mixing of the anticoagulant with the blood.

If the patient's hematocrit exceeds 55%, the volume of citrate in the collection tube must be adjusted.
Method:Enzyme Immunoassay (EIA)
CPT Codes:85302
Date Created:05/23/2019
Revised Date:05/24/2019