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4170: Cocaine and Metabolites Confirmation Serum Print View
Cocaine LC-MS-MS    ng/mL 
Benzoylecgonine LC-MS-MS    ng/mL 
Cocaethylene LC-MS-MS    ng/mL 

PRIMARY
1 Serum 5 (2.5) mL   Refrigerated - 72 Hour(s)/Frozen - 7 Day(s)  
ALTERNATE

Cocaine is metabolized mainly to benzoylecgonine and ecgonine methylester. Cocaethylene is an indication of concurrent cocaine and alcohol consumption. Serum half-life of cocaine is 1-5 hours. Benzoylecgonine appears in circulation 15-30 minutes after cocaine administration. Elimination half-life of benzoylecgonine is 5-6 hours. Benzoylecgonine will be detectable in urine after 2-3 hours and urine remains positive for 2-3 days (longer for chronic abusers) after cocaine use.

Do not use serum separator tubes.
Setup Schedule
Tuesday, Saturday

Reported (Analytical Time)
Same day

CPT Code
80353

The CPT codes provided are based on AMA guidelines and are for informational purposes only. CPT coding is the sole responsibility of the billing party. Please direct any questions regarding coding to the payer being billed.

Notes
This test is for clinical purposes only. Reference ranges indicate reporting limits.






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