Protein C antigen-994
Test info
Protein C antigen
994
LAB994
MSO
Protein C-Immunological
Confirmation and characterization of protein C deficiency
Specimen
Sodium citrate (Na cit) plasma
1.0 mL
1.0 mL
- If the patient's hematocrit exceeds 55%, the volume of citrate in the collection tube must be adjusted
- Evacuated collection tubes must be filled to completion to ensure a proper blood-to-anticoagulant ratio
- Immediately following collection, mix sample thoroughly by gentle inverting 8 - 10 times, to prevent clotting
- Spin
- Transfer plasma to a Screw-cap polypropylene frozen transport vial/tube - 4mL (LabCorp), labelled as Na cit plasma, within two (2) hours of sample collection
- Freeze
Frozen - 28 days
- Freeze/thaw cycles - stable x3
- Gross hemolysis
- Clotted specimens
- Specimens thawed in transit
Performance
LabCorp Phoenix (080465): CETWE
Daily
5 days
Enzyme Immunoassay (EIA)
Clinical and Interpretive info
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
Billing
85302
Result 27820-0
Tracking
05/23/2019
05/31/2024
03/30/2022