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Lab Test Dictionary

C6 Complement, Functional, Serum (C6FX)


Automated Liposome Lysis Assay


C6; Complement; Functional C6; Functional Component; Hemolytic C6; Hemolytic Complement; Sixth Component of Complement

Specimen Type


Performing Lab

Mayo Medical Lab

Epic ID

Other Reference Test

Lab Test Days

Monday-Saturday; 3 P.M.

Standard TAT

1-3 Days

Collection Information

Specimen Required

1-2 mL Blood

Container Type

Red Top (No Additive)

Collection Instructions

Place tube on wet ice immediately after collection and send to lab.

Processing Information - Lab Use Only

Transport Temperature


Specimen Stability

Room Temp: Unacceptable; Refrigerated: Unacceptable; Frozen: 14 Days

Rejection Criteria

Gross lipemia; Serum separator tube (SST)

Test Volume Required

1 mL Serum

Minimum Test Volume

0.5 mL Serum

CPT Codes