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 Total CH50 618

Test Code
C50


Alias/See Also
C50


CPT Codes
86162

Preferred Specimen
SST


Minimum Volume
1


Instructions
Collect a Gold Top SST. Pour off and Send serum frozen.


Transport Container
Pour off tube


Transport Temperature
Frozen


Specimen Stability
Room temperature: Unacceptable
Refrigerated: Unacceptable
Frozen: 7 days


Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
Gross hemolysis • Lipemia • Received thawed


Methodology
Liposome

Setup Schedule
Set up: Mon-Sat; Report available: 1-2 days


Reference Range
31-60 U/mL


Clinical Significance
CH50 is a screening test for total complement activity. Levels of complement may be depressed in genetic deficiency, liver disease, chronic glomerulonephritis, rheumatoid arthritis, hemolytic anemias, graft rejection, systemic lupus erythematosis, acute glomerulonephritis, subacute bacterial endocarditis and cryoglobulinemia. Elevated complement may be found in acute inflammatory conditions, leukemia, Hodgkin's Disease, sarcoma, and Behcet's Disease.


Performing Laboratory
Quest Diagnostics Nichols Institute
14225 Newbrook Drive
Chantilly, VA 20153



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.