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HelpTest Code DOABS / SDS1A-MC DRUGS OF ABUSE, SERUM
Additional Codes
| Software | Test Code |
|---|---|
| SoftID | DOABS |
| EPIC | LAB20320 |
| Michigan | SDS1A |
Performing Laboratory
Michigan Co-Tenancy Laboratory at Warde Medical Laboratory (MCL)
Useful For
Although urine is the specimen of choice for drug screening, a serum drug screen can be performed when a urine specimen is unavailable.
Method Name
Immunoassay (IA)
Reference Values
Decision Levels:
Drugs Included Screen Cutoff Concentration
Amphetamines 500 ng/mL
Barbiturates 150 ng/mL
Benzodiazepines 100 ng/mL
Cocaine 150 ng/mL
Ethanol 10 mg/dL*
Methadone 150 ng/mL
Opiates 150 ng/mL
Phencyclidine 12 ng/mL
Propoxyphene 150 ng/mL
THC (Cannabis) 50 ng/mL
*Quantitative value reported.
Days and Times Test Performed
Monday through Friday
Report Available
3 Days
Specimen Type
Serum
Preferred Container
Red Top Tube
Preferred Volume
Serum: 1 mL (Red Top Tube)
Minimum Volume
Serum: 0.5 mL (Red Top Tube)
Specimen Collection and Handling
Spin specimen, separate from clot and send refrigerated in a screw-capped, plastic vial.
Specimen Stability Information
Specimen Type: Serum
Frozen: 14 Days
Refrigerated: 14 Days
Room Temp: 48 Hours
Add On Capable
Contact Reference Lab – If add-on can never be done, report the test to the Administrative Analyst
Performing Laboratory Location
Michigan Co-Tenancy Laboratory at Warde Medical Laboratory (MCL)
Acceptable Alternative Container(s)
Lavender Top Tube (EDTA) – EDTA Plasma acceptable (Citrate and Oxalate plasma also acceptable, though not preferred)
Rejection Information
Sample collected in an Serum separator tube (SST), gross hemolysis, lipemia, any tubes containing gel