Drug Confirmation Cocaine, Urine (Sendout)

General Information

Lab Name

Drug Confirm. Cocaine, URN

Lab Code

RUCOCC

Epic Name

Drug Confirmation, Cocaine, Urine (Sendout)

External Test Id

COKEU

Description

Useful For: Detecting and confirming drug abuse involving cocaine. This test is not intended for employment-related testing.

Ordering Guidance: Available as a reflex confirmation test only. Refer to Drug Testing for Chronic Prescription of Controlled Substances for available panels.

Synonyms

Cocaine Confirmation, COKEU

Components

Method

Gas Chromatography-Mass Spectrometry (GC-MS) Confirmation with Quantitation

Reference Range

See individual components

Ref. Range Notes

Reference Values: Negative.

Positive results are reported with a quantitative gas chromatography mass spectrometry (GC-MS) result.

Cutoff Concentrations:

Cocaine by GC-MS:	<50 ng/mL
Benzoylecgonine by GC-MS:	<50 ng/mL

Interferences and Limitations

Specimen Type: Urine
Collection: Collect Random Urine in a preservative-free urine collection container.
Handling Instructions: Outside Laboratories: Aliquot 5-10 mL urine into a screw-cap vial and refrigerate.

Stability: Refrigerated (preferred): 14 days; Frozen: 14 days; Ambient: 72 hours.
Quantity: Requested: 10 mL urine
Minimum: 5 mL urine

Receiving Instructions

Aliquot 5-10 mL urine into a screw-cap vial and refrigerate.

Sendouts:

Stability: Refrigerated (preferred): 14 days; Frozen: 14 days; Ambient: 72 hours.

Lab Department

Sendouts Mayo Lab (RF)(MARF)

Frequency

Performed: Monday, Wednesday, Thursday, Friday. Report Available: 2-5 days from sample receipt at Mayo Clinic Labs.

Available STAT?

Performing Location(s)

Sendout	Mayo Clinic Laboratories (Superior Drive) 800-533-1710 3050 Superior Drive NW Rochester, MN 55901