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Test Code C3M Complement C3, Serum

Additional Codes

 

Mayo Test ID
C3

 

Reporting Name

Complement C3, S

Useful For

Assessing disease activity in systemic lupus erythematosus

 

Investigating an undetectable total complement level

Method Name

Nephelometry

Performing Laboratory

Mayo Clinic Laboratories in Rochester

Specimen Type

Serum


Specimen Required


Supplies: Sarstedt Aliquot Tube, 5 mL (T914)

Collection Container/Tube:

Preferred: Serum gel

Acceptable: Red top

Submission Container/Tube: Plastic vial

Specimen Volume: 1 mL

Collection Instructions: Centrifuge and aliquot serum into a plastic vial.


Specimen Minimum Volume

0.5 mL

Specimen Stability Information

Specimen Type Temperature Time
Serum Refrigerated (preferred) 7 days
  Frozen  28 days
  Ambient  72 hours

Reject Due To

Gross hemolysis OK
Gross lipemia Reject
Gross icterus OK

Reference Values

75-175 mg/dL

Day(s) Performed

Monday through Friday

CPT Code Information

86160

LOINC Code Information

Test ID Test Order Name Order LOINC Value
C3 Complement C3, S 4485-9

 

Result ID Test Result Name Result LOINC Value
C3 Complement C3, S 4485-9

Test Classification

This test has been cleared, approved, or is exempt by the US Food and Drug Administration and is used per manufacturer's instructions. Performance characteristics were verified by Mayo Clinic in a manner consistent with CLIA requirements.

Report Available

Same day/1 to 2 days