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Methodology: Enzymatic Assay (EA)
Edit Date: 6/11/2010
Performed: Wednesday
Released: 24-48 hours after setup at PeaceHealth Laboratories’ reference lab.
CPT Code: 83945-90
Specimen Collection Details
Collection: One 5 mL red top tube or 4 mL lavender top tube (EDTA).
Handling: Centrifuge and separate serum or plasma from cells into a plastic vial.
Stability: 5 days ambient (do not transport ambient), 7 days refrigerated, or 7 days frozen.
Standard Volume: 3 mL serum or plasma.
Minimum Volume: 1.2 mL serum or plasma.
Transport: Refrigerated, on a cold pack.
Comments: Overexposure/poisoning determination.
Rejection Criteria: Use of SST, PST, or grey top tube; specimen received ambient.

PeaceHealth Laboratories