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Test ID: C2    
C2 Complement, Functional, with Reflex, Serum

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Secondary ID A test code used for billing and in test definitions created prior to November 2011

81835

NY State Approved Indicates the status of NY State approval and if the test is orderable for NY State clients.

Yes

Useful For Suggests clinical disorders or settings where the test may be helpful

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 IDReporting NameAvailable SeparatelyAlways Performed
C4Complement C4, SYesNo
C3Complement C3, SYesNo

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 and C4 will be performed at an additional charge.

Method Name A short description of the method used to perform the test

C2H(50) Automated Liposome Lysis Assay

Reporting Name A shorter/abbreviated version of the Published Name for a test; an abbreviated test name

C2 Complement,Functional,w/Reflex,S

Aliases Lists additional common names for a test, as an aid in searching

C2 Functional