Test Code FC4AL C4 Level by RIA
Specimen Required
Supplies: Sarstedt Aliquot Tube, 5 mL (T914)
Container/Tube: Lavender top (plasma gel tubes are not acceptable)
Submission Container/Tube: Plastic vial
Specimen Volume: 1.5 mL plasma
Collection Instructions:
1. Mix well.
2. Within 30 minutes of collection (preferably immediately after venipuncture), centrifuge at ambient temperature, aliquot 1.5mL of plasma into a plastic vial and freeze immediately on dry ice or at -60 C or below in an ultra-low freezer.
3. Ship frozen.
Method Name
Radioimmunoassay (RIA)
Reporting Name
C4a LevelSpecimen Type
Plasma EDTASpecimen Minimum Volume
Plasma: 0.5 mL
Specimen Stability Information
Specimen Type | Temperature | Time |
---|---|---|
Plasma EDTA | Frozen | 365 days |
Reject Due To
Hemolysis | Mild OK; Gross reject |
Reference Values
0-2830 ng/mL
Performing Laboratory
National Jewish HealthCPT Code Information
86160
Day(s) Performed
Monday through Friday