Complement Activity Enzyme Immunoassay, Total
CH50 - Complement Activity Enzyme Total
Specimen Collection Requirements
Serum, one 7.0 mL plain red top tube
Allow specimen to clot for one hour at room temperature. Separate serum from cells ASAP and freeze. CRITICAL FROZEN. Separate specimens must be submitted when multiple tests are ordered.
0.5 mL (Whole Blood 1.2 mL minimum draw)
Specimens left to clot at 2-8°C, specimens exposed to repeated freeze/thaw cycles, gel separator tubes, nonfrozen specimens
AFTER SEPARATION FROM CELLS: Ambient: 2 hours; Refrigerated: Unacceptable; Frozen: 2 weeks
Testing Information
Enzyme-Linked Immunosorbent Assay
Reference Values
Last Updated:
Sunday, December 20, 2020 03:59:19 PM
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