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BUPRENORPHINE SCREEN w/CONFIRMATION
MessagePositive Chain of Custody screens are kept frozen for 1 year. Positive Non-Chain of Custody screens are kept frozen for 30 days.
Test Code
LAB7900
CPT Codes
80307
Includes
- Buprenorphine
- Norbuprenorphine
- Naloxone
Preferred Specimen
2 Yellow round-bottom tubes are preferred

Patient Preparation
None
Minimum Volume
10 mL (1 full yellow tube)
20 mL (2 full yellow tubes optimal)
20 mL (2 full yellow tubes optimal)
Other Acceptable Specimens
Sterile Container

Transport Container
Yellow tubes or sterile container
Transport Temperature
Refrigerate
Specimen Stability
- 2-8C up to 5 days
- Frozen samples will be accepted up to 30 days
Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
Quantity not sufficient (QNS)
Methodology
Enzyme Linked Immunosorbent Assay (EIA)
Liquid Chromatography Tandem Mass Spectometry (LC/MS/MS)
Setup Schedule
M, T, W, Th, F, Sa, Su
Batched; day shift only
Batched; day shift only
Report Available
Same day tested
Reference Range
Negative
Cut-off value = 5 ng/mL
Cut-off value = 5 ng/mL
Performing Laboratory
Alverno Central Lab