C5 Complement

Test Name
C5 Complement
Aliases
C5 Complement, C5 Complement Level
Provincial Mnemonic
COMC5
LOINC Test Code
4505-4
Description and Primary Use
Second tier test for diagnosing C5 deficiency testing in patients with recurrent pyogenic infections, recurrent angioedema, cryoglobulinemic vasculitis and Low CH50.
Reorder interval
N/A
TAT
25 Days
Test Cost
$134.96
Tier
3 - Special Authorization Required (See Required Consultation)
Ordering Requirements (Restrictions / Conditions)

Approval requires test order:

1) by Allergist/Immunologist; or

2) with completion of LTSA form.

Required Consultations
N/A
Algorithms and Guidelines

N/A

Special Patient Preparation

None

Special Collection / Transport / Processing Requirements

Specimen for this test must be collected, processed, aliquoted and frozen within 30 minutes of collection.

Criteria for Rejection

Plasma; SST gel tube.  Gross lipemia.

Laboratory Service Area
Clinical Chemistry
Performing Laboratory / Site
Referred out of province
Last Updated
17-May-19