Test ID FC4A C4ades Arg Level
Reporting Name
C4a LevelSpecimen Type
Plasma EDTASpecimen Required
Draw blood in a lavender-top (EDTA) tube(s), plasma gel tube(s) is not acceptable. Mix well, centrifuge at ambient temperature within one half hour of draw (preferably immediately after venipuncture), and freeze immediately on dry ice or at -70 C. Send 1 mL of EDTA plasma frozen in plastic vial.
Complete and submit with specimen:
1. National Jewish Complement request form
Specimen Minimum Volume
0.5 mL
Specimen Stability Information
Specimen Type | Temperature | Time | Special Container |
---|---|---|---|
Plasma EDTA | Frozen | 365 days |
Reference Values
0 – 2830 ng/mL
Day(s) and Time(s) Performed
1st and 3rd Thursday of month
Performing Laboratory
National Jewish HealthCPT Code Information
86160
LOINC Code Information
Test ID | Test Order Name | Order LOINC Value |
---|---|---|
FC4A | C4a Level | Not Provided |
Result ID | Test Result Name | Result LOINC Value |
---|---|---|
FC4A | C4a Level | Not Provided |