4170U Cocaine and Metabolites Confirmation Urine

Components
NAME METHOD REFERENCE RANGE UNITS
Cocaine Urine LC-MS-MS  < 150  ng/mL 
Benzoylecgonine Urine LC-MS-MS  < 150  ng/mL 
Ecgonine methylester Urine LC-MS-MS  < 150  ng/mL 
Cocaethylene Urine LC-MS-MS  < 150  ng/mL 


Specimen Requirements
TYPE VOLUME TEMPERATURE INSTRUCTIONS
PRIMARY
1 Urine 10 (5) mL   Ambient - 7 Day(s), Refrigerated - 7 Day(s), Frozen - 7 Day(s)  


Clinical utility
Cocaine is metabolized mainly to benzoylecgonine and ecgonine methylester. Cocaethylene is an indication of concurrent cocaine and alcohol consumption. Hydroxybenzoylecgonine is a metabolite mainly present in meconium. 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.


Reported: Same day

CPT Code: 82520

Notes: This test is for clinical purposes only. Cutoff=150 ng/mL. This test is not approved for the testing of patient samples from New York State.