COMPLEMENT FUNCTIONAL ACTIVITY CH50
Marquette General Health System

General Info

HLAB/HOL Code

  CH50

MGH LIS Test No

  558

Schedule

  Monday - Saturday

Testing Time

  1-4 days

Testing Lab

  Quest Valencia

QORR Test Code

  CH50

Specimen Info

Type

  Serum  

Volume

  1.0 (0.2) mL

Temperature

  Frozen

Preservative

   

Collection Info

  Grossly hemolyzed specimens will be rejected. Transport frozen. 
Centrifuge serum specimens within 1 hours of collection.  Immediately
pipette serum into sterile, plastic, screw-capped vial(s) and freeze solid 
at -20
 
 
Specimen Acceptability

Methods
Liposome

Clinical Utilities
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.

CPT Codes
86162

The CPT codes provided 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 payer being billed.

Reference Range

Component Information

Name

  CH50 

Method

  Lipsome 

CPT Code

  86162 

Units

  Units/mL 
Ref Range   31-60 U/mL 
Reflex Reason    
     
Collection Notes

Additional Comments
If complement deficiency is suspected, Specialty recommends Complement Deficiency Detector(tm), #5902 page ?.

 

Questions or Comments email support@mgh.org

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