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Test Code CREATININE Creatinine

Specimen Requirements

Container/Tube: GRN/SST
Preferred: Plasma
Acceptable: Serum
Specimen Volume: 1.0 mL

SPECIMEN PROCESSING and HANDLING

Complete clot formation should take place before centrifugation. Serum or plasma should be physically separated from cells as soon as possible with a maximum limit of two hours from the time of collection.

TRANSPORT TEMPERATURE

Separated specimens are stable for 1 day at room temperature, 7 days at 2 – 8 °C. For longer storage, specimens may be frozen at -20 °C or colder for up to 3 months.

PERFORMING LAB

WKMC, WKB, WKP, WKS