COMPLEMENT FUNCTIONAL ACTIVITY CH50
Marquette General Health System
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 |
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 |
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 Method CPT Code Units Additional Comments Questions or Comments email support@mgh.org
Reference Lab Home Page
Collection Notes
CH50
Lipsome
86162
Units/mL
Ref Range
31-60 U/mL
Reflex Reason
If complement deficiency is suspected, Specialty recommends Complement Deficiency Detector(tm), #5902 page ?.
Laboratory Main Page
Marquette General Health System Home Page