Complement Activity Enzyme Immunoassay, Total (CH 50) CH50

Method(s) Semi-Quantitative Enzyme Linked Immunosorbent Assay
Specimen Required
Collect One 6 mL plain red cap tube. Allow to clot for one hour at room temperature.
Transport

1 mL serum, frozen. (Min: 0.3 mL)

Remarks

CRITICAL FROZEN. Separate samples must be submitted when multiple tests are ordered. Allow to clot for one hour at room temperature. Separate serum from cells ASAP or within 2 hours of collection and freeze.

Stability

After separation from cells: Ambient: 2 hours; Refrigerated: Unacceptable; Frozen: 2 weeks

Unacceptable Conditions Samples left to clot at 2-8°C. Samples subjected to repeated freeze/thaw cycles. Samples collected in separator tubes. Nonfrozen samples.
Schedule Mon-Fri
Billing Code 5010021
CPTCode 86162
Preferred Specimen Collection Device(s)
Reference Interval

See Laboratory Report

No Appointment Necessary
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12 Patient Service Centers in Central New York.

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