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Test Code LABC4A C4ades Arg Level

Additional Codes

Test Name in EPIC EPIC Test Code Mnemonic Mayo Test ID
C4A LEVEL LABC4A C4A FC4A

 

Reporting Name

C4a Level

Specimen Type

Plasma EDTA


Specimen 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
Plasma EDTA Frozen 365 days

Reject Due To

Hemolysis

Mild OK; Gross reject

Thawing

Warm reject; Cold reject

Lipemia

N/A

Icterus

N/A

Other

N/A

Reference Values

0 – 2830 ng/mL

 

Method Description

Radioimmunoassay (RIA)

Day(s) and Time(s) Performed

1st and 3rd Thursday of month

Analytic Time

21 days

Performing Laboratory

National Jewish Health

CPT Code Information

86160

LOINC Code Information

Test ID Test Order Name Order LOINC Value
FC4A C4a Level In Process

 

Result ID Test Result Name Result LOINC Value
FC4A C4a Level In Process

Test Classification

This test uses a kit/reagent designated by the manufacturer as for research use, not for clinical use. The performance characteristics for this test have been validated by National Jewish Health. It has not been cleared or approved by the U.S. Food and Drug Administration. The results are not intended to be used as the sole means for clinical diagnosis or patient management decisions. This laboratory is certified under the Clinical Laboratory Improvement Amendments of 1988 (CLIA-88) as qualified to perform high complexity clinical laboratory testing.