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“Member
of the Better Business Bureau serving Alaska, Oregon and Western Washington
since 1996".
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Result
Turnaround Time
Samples
that test negative for all drugs will typically be reported within 24 hours
from the time of receipt into the laboratory. In cases where the sample
tests positive for one or more drugs, the results can be expected within 48- 72
hours from receipt at the Laboratory. This additional time represents the
time necessary to conduct quantitative confirmation on the GC/MS. The
LabCorp receiving laboratories operate Tuesday through Saturday.
6-Acetylmorphine
(6 - AM) will be performed on samples that confirm positive for morphine at
levels of 2000 ng/ml or more. When d&l methamphetamine isomers and/or 6-AM
are analyzed, results may be expected within an additional 24 hours after the
initial GC/MS positive of methamphetamine and morphine. This is due to
the additional time required to schedule, aliquot, extract, analyze, and review
the results.
LabCorp Cut-Off Levels
| Drug Class
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DHHS* Screening Cut-Off Level ng/mL
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OTHER Screening Cut-Off Levels Ng/mL
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DHHS GC/MS** Cut-Off Level ng/mL
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OTHER GC/MS** Cut-off Levels
ng/mL
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GC/MS** Drug/Metabolite
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Amphetamines
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1000#
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N/A
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500#
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N/A
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Amphetamine
Methamphetamine
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MDMA (Ecstasy)
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Not Allowed
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500
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Not Allowed
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250
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Methylendioxyamphetamine (MDA)
Methylenedioxymethamphetamine (MDMA)
Methylenedioxyethylamphetamine (MDEA)
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Barbiturates
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Not Allowed
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200, 300#
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Not Allowed
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200, 150#
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Amobarbital
Butalbital
Pentobarbital
Phenobarbital
Secobarbital
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Benzodiazepines
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Not Allowed
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200, 300#
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Not Allowed
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200, 150#
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Alprazolam Metabolite
Nordiazepam
Oxazepam
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Cocaine
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300#
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150#
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None
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Benzoylecgonine
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Cannabinoids (THC)
Marijuana
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50#
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20
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15#
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N/A
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11-nor-delta-9-tetra-hydrocannabinol-9-carboxylic
acid (THCA)
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Methadone
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Not Allowed
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300
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Not Allowed
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150#, 300
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Methadone
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Opiates
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2000#
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N/A
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2000#
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N/A
10
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Morphine
Codeine
6-Acetylmorphine
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Phencyclidine (PCP)
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25#
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A
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25#
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N/A
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Phencyclidine
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Propoxyphene
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Not Allowed
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300
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Not Allowed
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300, 150#
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Norpropoxyphene
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Blood Alcohol (GC Confirmation)
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Not Allowed
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0.02%
0.04%#
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Not Allowed
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0.02%
0.04%#
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Ethanol
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Urine Alcohol (GC Confirmation)
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Not Allowed
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0.05%
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Not Allowed
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0.02%
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Ethanol
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Specimen Validity Testing Options
Include: Creatinine, Specific Gravity, pH and
Nitrite
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*Cut-offs
approved by the Department of Health and Human Services, Mandatory Guidelines
for Federal Workplace Drug Testing
Programs. **GC/MS = Gas
Chromatography/Mass
Spectrometry #
Florida’s Drug-Free Workplace Act
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