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30570:CREATININE
Methodology:Colorimetry/Alkaline Picrate
Edit Date:6/11/2010
Performed:Daily
Released:Same day as tested
CPT Code:82565
Specimen Collection Details
Collection:One 7.5 mL serum separator tube (SST). Also acceptable: One 4 mL green top tube (heparin), one 4.5 mL plasma separator tube (PST), or one 4 mL lavender top tube (EDTA).
Handling:Allow to clot, centrifuge SST or PST within 2 hours of collection and transport in original tube. Centrifuge green or lavender top tube within 2 hours of collection and separate plasma from cells into a plastic vial for transport. Refrigerate.
Standard Volume:2 mL serum or plasma.
Minimum Volume:0.5 mL serum or plasma.
Transport:Refrigerated.
Rejection Criteria:Tubes other than those specified.
Male: 0.9-1.3 mg/dL; Female: 0.6-1.1 mg/dL