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COCAINE METABOLITE, QUANTITATIVE, SERUM OR PLASMA

Mnemonic

COC S

Synonym

Benzoylecgonine Metabolite

Includes

Cocaine metabolite, Benzoylecgonine only

Guidelines

This testing should only be ordered when a urine specimen is not available for testing. Urine is the preferred specimen for drugs of abuse testing.

Specimen Collection Requirements

Collect

Serum or Plasma, one 7.0 mL red, 4.0 mL dark green (sodium heparin) or 4.0 mL lavender (EDTA) top tube

Handling

Allow serum to clot completely at room temperature (minimum: 30 minutes). Centrifuge and separate serum or plasma from cells ASAP

Preferred Volume

3 mL

Minimum Volume

1 mL (Whole Blood 2.5 mL minimum draw)

Transport

Refrigerated (2-8°C)

Rejection Criteria

Serum that has been in contact with serum separator gel

Stability

Ambient (20-25°C): 1 week; Refrigerated (2-8°C): 1 month; Frozen (at or below -20°C): 3 months

Testing Information

Performed

Wed, Fri

Reported

1-5 days

Method

Liquid Chromatography Tandem Mass Spectrometry

Reference Values

Toxic Levels

>1,000 ng/mL (not well defined)

CPT Codes

80353

Last Updated: Thursday, March 14, 2019 12:50:31 PM


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