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A B C D E F G H I J K L M N O P Q R S T U V W X Y Z # |
C4a Level by RIA
Test Code19956
CPT Codes
86160
Preferred Specimen
1 mL frozen plasma collected in an EDTA (lavender-top) tube
Pediatric volume: 0.5 mL minimum
Minimum Volume
0.5 mL
Instructions
Centrifuge at room temperature within one half hour of collection; preferably immediately after venipuncture. Transfer the cell-free plasma to a clean tube and store immediately at -20°C, then transfer to dry ice for shipment within 6 hours or immediately freeze on dry ice or at -70°C or below. Send frozen plasma Priority Overnight via FedEx and in a well insulated container on dry ice.
Transport Container
Plastic screw-cap vial
Transport Temperature
Frozen
Specimen Stability
Room temperature: Unacceptable
Refrigerated: Unacceptable
Frozen -20° C: 6 hours
Frozen -70° C: 1 year
Refrigerated: Unacceptable
Frozen -20° C: 6 hours
Frozen -70° C: 1 year
Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
Received room temperature • Received refrigerated • Received thawed
Methodology
Radioimmunoassay (RIA)
Setup Schedule
Set up: 1st and 3rd Thurs of the month; Report available: 18 days
Reference Range
0-2830 ng/mL