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Test Code LAB1235608 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 centrifuge at 1600 (±200) x g (rcf) at 4° C for 15 minutes.

3. Aliquot 1.5 mL of plasma into a plastic vial.

4. Freeze plasma immediately at -20° C for up to 4 weeks or, ideally, at -60° C or below for up to 1 year.

5. Send frozen.


Reporting Name

C4a Level

Specimen Type

Plasma EDTA

Specimen Minimum Volume

Plasma: 0.5 mL

Specimen Stability Information

Specimen Type Temperature Time
Plasma EDTA Frozen 365 days

Reject Due To

Gross hemolysis Reject

Reference Values

0-2830 ng/mL

Performing Laboratory

National Jewish Health

CPT 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

Report Available

9 to 14 days