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Toxicology Test Menu
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QLABS Urine LC/MS/MS
CUTOFF and ULOL
PAIN Method Cutoff/ULOL Values
Analyte
Cutoff
Upper Limit Linearity (ULOL)
6-MAM
10
2000
7-Aminoclonazepam
50
5000
a-Hydroxyalprazolam
50
5000
Alprazolam
50
2000
Amitriptyline
50
2500
Amphetamine
50
10000
Aripiprazole*
50
5000
Benzoylecgonine
50
1250
Buprenorphine
5
1000
Buproprion*
50
1000
Buspirone
50
500
Butalbital
100
20000
Carisoprodol
50
1000
Citalopram
50
1000
Clonazepam
50
10000
Clozapine
50
5000
Codeine
1000
2000
Cyclobenzaprine
50
1000
Desalkylflurazepam
50
5000
Desipramine
50
2000
Dihydrocodeine
50
10000
Diazepam
50
3500
Doxepin
50
10000
Duloxetine
50
1000
EDDP
50
1000
Fentanyl
1
350
Flunitrazepam
50
7500
Fluoxetine
50
1250
Gabapentin
500
40000
Haloperidol
50
5000
Hydrocodone
50
3500
Hydromorphone
50
10000
Imipramine
50
1000
Ketamine
50
10000
Lorazepam
50
2500
MDMA
50
10000
Meperidine
50
1000
Meprobamate
50
10000
Methadone
50
1500
Methamphetamine
50
10000
Methylphenidate
50
1250
Mitragynine
50
1500
Morphine
1000
10000
Naloxone
25
5000
Naltrexone
50
10000
Analyte
Cutoff
Upper Limit Linearity (ULOL)
Norbuprenorphine
10
2000
Norcodeine
500
3500
Nordiazepam
50
10000
Norfentanyl
3**
2000
Norfluoxetine
50
1000
Norhydrocodone
50
10000
Normeperidine
50
10000
Noroxycodone
50
10000
N-Desmethyltapentadol
100
1000
Nortriptyline
50
1000
O-Desmethyltramadol
100
2000
O-Desmethylvenlafaxine
50
2000
Oxazepam
50
3500
Oxycodone
50
3500
Oxymorphone
50
10000
Paroxetine
50
1000
Phenobarbital
50
20000
Phentermine
50
10000
Pregabalin
500
40000
Quetiapine
50
1000
Risperidone
50
1000
Ritalinic Acid
50
10000
Sertraline
50
1500
Tapentadol
100
20000
Temazepam
50
7500
Tramadol
100
1000
Trazodone
50
1000
Venlafaxine
50
1500
Ziprasidone
50
1000
Zolpidem-COOH
50
1250
EtG
500
10000
EtS
500
10000
D9 THC -COOH
25
500
D8 THC -COOH
25
500
Acetyl fentanyl
0.5
10
Butyryl fentanyl
0.5
10
Carfentanil
0.5
10
Furanyl fentanyl
0.5
10
Norcarfentanil
0.5
10
Xylazine
5
100
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