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Test Code C3C4 COMPLEMENT C3 AND C4, SERUM

Additional Codes

Software Test Code
Label Text C3C4
EPIC LAB10198

Performing Laboratory

NorDx Laboratories

Useful For

Assessing disease activity in systemic lupus erythematosus (SLE), proliferative glomerulonephritis, rheumatoid arthritis, and autoimmune hemolytic anemia

Investigating an undetectable total complement (CH)

Method Name

Turbidimetric Immunoassay

Reference Values

C3: 85 -180 mg/dL

C4: 10.0 - 40.0 mg/dL

Days and Times Test Performed

Monday through Sunday

Report Available

1 Day

Profile Information

Individual Test Description

COMPLEMENT C3, SERUM
COMPLEMENT C4, SERUM

Specimen Type

Serum

Preferred Container

Serum Separator Tube (SST)

Preferred Volume

Serum: 1 mL (Serum Separator Tube (SST))

Minimum Volume

Serum: 0.3 mL (Serum Separator Tube (SST))

Specimen Collection and Handling

Spin specimen, separate from clot and send refrigerated.

Specimen Stability Information

Specimen Type: Serum

Refrigerated: 2 Days

Must be spun/separated within: 2 Hours

Add On Capable

Yes

Advance Beneficiary Notice Requirements

No ABN Required

CPT Code Information

CPT Code

CPT Description

CPT Disclaimer

86160 Complement, Antigen, Each Component  
86160 Complement, Antigen, Each Component  

Keywords

C3 (THIRD COMPONENT OF COMPLEMENT)

C4 (FOURTH COMPONENT OF COMPLEMENT)

COMPLEMENT COMPONENT C’3

COMPLEMENT COMPONENT C’4

COMPLEMENT, C’3

COMPLEMENT, C’4

Performing Laboratory Location

NorDx Laboratories

LOINC Code Information

34544-7

Clinical Significance

Confirming hereditary angioedema

Acceptable Alternative Container(s)

Plasma Separator Tube (PST)

Red Top Tube