C2 Complement, Functional, with Reflex, Serum
The investigation of a patient with a low (absent) hemolytic complement (CH50)
Reflex Tests Lists test(s) that may or may not be performed, at an additional charge, depending on the result and interpretation of the initial test(s)
|Test ID||Reporting Name||Available Separately||Always Performed|
|C4||Complement C4, S||Yes||No|
|C3||Complement C3, S||Yes||No|
|C2AG||C2 Complement, Antigen, S||No||No|
Testing Algorithm Delineates situation(s) when tests are added to the initial order. This includes reflex and additional tests.
If the C2 result is <15 U/mL, then C3, C4, and C2AG will be performed at an additional charge.
C2: Automated Liposome Lysis Assay
C2AG: Radial Immunodiffusion-Binding Site
NY State Approved Indicates the status of NY State approval and if the test is orderable for NY State clients.
Reporting Name A shorter/abbreviated version of the Published Name for a test; an abbreviated test name