Cocaine Metabolite, Serum or Plasma, Quantitative

Cocaine Metabolite, Serum or Plasma, Quantitative Print

Test Mnemonic

COCRFX

CPT Codes

80353 / G0480 - QTY (1)

Includes

Benzoylecgonine

Performing Laboratory

ARUP

FDA Category

Laboratory Developed Test

Specimen Requirements

Volume	Type	Container	Collect Temperature	Transport Temperature	Special Instructions
1 mL	Plasma	Potassium oxalate/sodium fluoride (Gray)		Refrigerated	Do not use gel separator tubes. Separate plasma from cells ASAP or within 2 hours of collection. Transfer plasma to standard aliquot tube.

Alternate Specimen Requirements

Volume	Type	Container	Transport Temperature	Special Instructions
1 mL	Serum	No additive (Red)	Refrigerated	Do not use gel separator tubes. Separate serum from cells ASAP or within 2 hours of collection. Transfer serum to standard aliquot tube.
1 mL	Plasma	Sodium heparin (Green)	Refrigerated	Do not use gel separator tubes. Separate plasma from cells ASAP or within 2 hours of collection. Transfer plasma to standard aliquot tube.
1 mL	Plasma	EDTA (Lavender)	Refrigerated	Do not use gel separator tubes. Separate plasma from cells ASAP or within 2 hours of collection. Transfer plasma to standard aliquot tube.

Minimum Specimen Requirements

Volume	Type	Container	Collect Temperature	Transport Temperature	Special Instructions
0.5 mL

Stability

Environmental Condition	Description
Refrigerated	After separation from cells: 2 weeks
Frozen	After separation from cells: 3 years (Avoid repeated freeze/thaw cycles)
Ambient	After separation from cells: 1 week

Days Performed

Sun - Sat

Turnaround Time

2 - 7 days

Methodology

Name	Description
Liquid Chromatography-Tandem Mass Spectrometry (LC-MS/MS)

Reference Range

Special Info

This test may be ordered, or may be a reflex from Drug Screen 9 Panel, Serum or Plasma (DRGSC9). Specimens that are hemolyzed or collected in gel separator tubes will be rejected. This test is New York DOH approved.

Clinical Info

This test is useful to detect exposure to cocaine.