Drugs of Abuse Confirmation/Quantitation - Cocaine Metabolite (Benzoylecgonine) - Serum or Plasma
0090684
 
Ordering Recommendation
Mnemonic
COC MET SP
Methodology
Quantitative Gas Chromatography-Mass Spectrometry/Quantitative Liquid Chromatography-Tandem Mass Spectrometry
Performed
Sun-Sat
Reported
1-4 days
New York DOH Approval Status
This test is New York DOH approved.
Specimen Required
Patient Preparation
 
Collect
Gray (sodium fluoride/potassium oxalate). Also acceptable: Plain red, green (sodium heparin), lavender (EDTA), or pink (K2EDTA).  
Specimen Preparation
Separate serum or plasma from cells ASAP or within 2 hours of collection. Transfer 4 mL serum or plasma to an ARUP Standard Transport Tube. (Min: 2 mL)  
Storage/Transport Temperature
Refrigerated.  
Unacceptable Conditions
Separator tubes. Plasma or whole blood collected in lt. blue (sodium citrate). Specimens exposed to repeated freeze/thaw cycles.  
Remarks
 
Stability
After separation from cells: Ambient: 1 week; Refrigerated: 2 weeks; Frozen: 3 years  
Reference Interval
Interpretive Data
Methodology: GC-MS, LC-MS/MS
Drugs covered:
benzoylecgonine
Positive cutoff:
20 ng/mL

The concentration value must be greater than or equal to the cutoff to be reported as positive. Interpretive questions should be directed to the laboratory.

For medical purposes only; not valid for forensic use.

See Compliance Statement B: www.aruplab.com/CS
Note
CPT Code(s)
82520
Components
Component Test Code*Component Chart Name
0090682Drug Confirmation, Cocaine, Ser/Pla
* Component test codes cannot be used to order tests. The information provided here is not sufficient for interface builds; for a complete test mix, contact interface support at interface.support@aruplab.com.
Cross References
  • Benzoylecgonine
  • Benzoylmethylecgonine
  • Cocaethylene
  • Cocaine
  • Crack
  • M-OH Benzoylecgonine
  • Pain Management