AP50/CH50

Test/Investigation

AP50/CH50

Site(s) or Laboratory offering Test/Investigation

Referral laboratory

Also Known as/Frequency of Test

CH100, AP100, Haemolytic Complement Activity – Classical and Alternative Pathways, Functional Complement Activity

Indications

Measures the classical and alternate lytic pathways of complement. Consider this assay in patients with recurrent bacterial infections, especially meningococcal (C5-9, properdin) and pneumococcal infection (C1-4), or with increased susceptibility to immune complex diseases such as SLE (C1-4).

Comments/Precautions

Needs to be in the lab within 1 hour of venepuncture Please discuss with the Immunologist prior to requesting this assay Referred outside of EPA

Sample type

Serum

Turnaround times (TAT) Urgent/Routine/GP or OPD

2 weeks