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HelpOrder Code LABDGOTC Drug Screen, Prescription/Over the Counter, Serum
Additional Codes
Mayo Test Code: DSS
Reporting Name
Drug Screen, Prescription/OTC, SUseful For
Detection and identification of prescription or over the counter drugs frequently found in drug overdose or used with a suicidal intent
Qualitatively identifying drugs present in the specimen; quantification of identified drugs, when available, may be performed upon client request
This test is not intended for therapeutic drug monitoring or compliance testing.
This test is not intended for use in employment-related testing.
This test is not useful for drugs of abuse or illicit drug testing, including benzodiazepines, opioids, barbiturates, cocaine, amphetamine type stimulants.
Performing Laboratory
Mayo Clinic Laboratories in Rochester
Specimen Type
Serum RedOrdering Guidance
This test is not performed using chain of custody. For chain-of-custody testing, order DSSX / Drug Screen, Prescription/Over the Counter, Chain of Custody, Serum.
Specimen Required
Supplies: Sarstedt Aliquot Tube, 5 mL (T914)
Collection Container/Tube: Red top (serum gel/SST tubes are not acceptable)
Submission Container/Tube: Plastic vial
Specimen Volume: 2.75 mL
Collection Instructions: Within 2 hours of collection, centrifuge and aliquot serum into plastic vial.
Specimen Minimum Volume
1.1 mL
Specimen Stability Information
| Specimen Type | Temperature | Time | Special Container |
|---|---|---|---|
| Serum Red | Refrigerated (preferred) | 14 days | |
| Frozen | 14 days | ||
| Ambient | 3 hours |
Special Instructions
Reference Values
Drugs detected are presumptive. Additional testing may be required to confirm the presence of any drugs detected.
Day(s) Performed
Monday through Sunday
CPT Code Information
80307
Method Description
Screening is by gas chromatography mass spectroscopy.(Unpublished Mayo method)
Reject Due To
| Gross hemolysis | OK |
| Gross lipemia | OK |
| Gross icterus | OK |
Method Name
Gas Chromatography Mass Spectrometry (GC-MS)
Forms
If not ordering electronically, complete, print, and send a Therapeutics Test Request (T831) with the specimen.