A B C D E F G H I J K L M N O P Q R S T U V W X Y Z #

COMPLEMENT C4 (B)

Message
SEND OUT/BOSTON


Test Code
C4


Alias/See Also
C4


Preferred Specimen
RED TOP, 2ML OF SERUM


Patient Preparation
FASTING SPECIMEN PREFERRED

Minimum Volume
2 mLs


Instructions
DRAW 1 RED TOP TUBE, LET CLOT FOR 30 MINUTES, AND SPIN DOWN, SEPARATE TO PLASTIC TRANSFER TUBE.


Transport Container
PLASTIC TRANSFER TUBE


Transport Temperature
FROZEN


Specimen Stability
FROZEN


Methodology
Turbidimetric/Immunoturbidimetric

Setup Schedule
M-F


Report Available
1-2 DAYS


Reference Range
10 - 40 mg/dL


Clinical Significance
Decreased C4 level is associated with acute systemic lupus erythematosis, glomerulonephritis, immune complex disease, cryoglobulinemia, congenital C4 deficiency and generalized autoimmune disease.


Performing Laboratory
Test performed at West Roxbury Chemistry Lab Contact: Jonathan Dryjowicz-Burek 857-203-5973

Additional Information
C4 COMPLEMENT


The CPT Codes provided in this document are based on AMA guidelines and are for informational purposes only. CPT coding is the sole responsibility of the billing party. Please direct any questions regarding coding to the payor being billed. Any Profile/panel component may be ordered separately. Reflex tests are performed at an additional charge.