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Meridian Health
Autoimmune & Rheumatology

Complement Panel — C3, C4, CH50, AH50

Complement component quantification with total haemolytic activity, used to investigate recurrent infections, suspected complement deficiency, and immune complex disease activity. Requires careful sample handling as complement degrades quickly.

Sample type
Blood (serum)
Turnaround
8–12 business days
Fasting
Not required
Collection
Collection centre only

What's measured (4 groups)

  • C3 and C4 concentration
  • CH50 (classical pathway)
  • AH50 (alternative pathway)
  • C1q where indicated

How to prepare

  • No fasting required
  • Sample must reach the laboratory frozen — collection-centre visit recommended

Partner accredited immunology laboratory

Results are released to your Meridian Health account and can be shared with your treating clinician. Lab results are best interpreted alongside your clinical history — book a consultation if you'd like to review them with a doctor.

Book This Test

$355.00

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