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COCAINE METABOLITE SCREEN, w/ CONFIRMATION
MessagePositive screen will automatically reflex to confirmation testing.
Test Code
COSWC
CPT Codes
80307
Includes
- Cocaine
- Benzoylecgonine
Preferred Specimen
Urine
Minimum Volume
10 mL (1 full yellow tube)
Other Acceptable Specimens
None
Instructions
Refrigerate or freeze
Transport Container
1 Yellow round bottom tube is preferred.
​Sterile Container or Alverno Toxi Collection kit (Occupational Medicine accounts) will be accepted.
​Sterile Container or Alverno Toxi Collection kit (Occupational Medicine accounts) will be accepted.
Transport Temperature
Refrigerate or freeze
Specimen Stability
- 2-8°C up to 5 days
- Frozen samples will be accepted up to 30 days
Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
QNS (quantity not sufficient)
Methodology
- Screening: EIA
- Confirmation: LC/MS/MS
Setup Schedule
- Screening is performed M, Tu, W, Th, F, Sa, Su
- Confirmation testing is performed M, Tu, W, Th, F
Report Available
- Screen reported same day tested
- Confirmation will be reported 24-48 hours after receipt (M-F only)
Reference Range
Negative
Clinical Significance
Positive Chain of Custody screens are kept frozen for 1 year. Positive Non-Chain of Custody screens are kept frozen for 30 days.
Performed By
Alverno Laboratories
Performing Laboratory
Alverno Central Lab
NCHB1 (Chemistry, Beckman AU)
Last Updated: December 12, 2023