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HelpTest Code LAB1235608 C4 Level by RIA
Specimen Required
Container/Tube: Lavender top tube
Preferred: Lavender top tube
Acceptable: Lavender top tube
Specimen Volume: 2 mL
Collection Instructions: Draw blood in a lavender top (EDTA) tubes(s), plasma gel tube(s) is not acceptable. Mix well, centrifuge at room temperature within one half hour of draw (preferable 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
Reporting Name
C4a LevelSpecimen Type
Plasma EDTASpecimen Minimum Volume
0.5 mL
Specimen Stability Information
| Specimen Type | Temperature | Time | Special Container |
|---|---|---|---|
| Plasma EDTA | Frozen | 365 days |
Reject Due To
| Hemolysis | Mild OK; Gross reject |
| Lipemia | N/A |
| Icterus | N/A |
| Other | N/A |
Reference Values
0 - 2830 ng/mL
Performing Laboratory
National Jewish HealthCPT Code Information
86160
LOINC Code Information
| Test ID | Test Order Name | Order LOINC Value |
|---|---|---|
| FC4AL | C4a Level | Not Provided |
| Result ID | Test Result Name | Result LOINC Value |
|---|---|---|
| FC4AL | C4a Level | Not Provided |
Day(s) Performed
Monday through Friday