List of Validated Assays

Validated Assays

Tandem Labs was built on partnerships with pharmaceutical companies providing creative methods development and validation of hundreds of proprietary compounds. We are currently building our suite of validated assays and welcome requests for assays that meet your specific needs.

Validated non-proprietary assays currently offered:

List of Validated Assays
ALL A-F G-L M-R S-Z  
COMPOUND MATRIX CALIBRATION RANGE Anti-Coag LTMS TEMP
Maraviroc Human Plasma 1.00 - 1,000 ng/mL K2EDTA 180 -20
Mefenamic acid Human Plasma 50.0 - 5,000 ng/mL K3EDTA 119 -70
Memantine Human Plasma 0.100 - 100 ng/mL K3EDTA 429 -20
Mesalamine Human Plasma 2.00 to 1000 ng/mL
Metformin Human Plasma 5.00 - 5,000 ng/mL K3EDTA 56 days -70
R,S-Methadone Human Plasma 5.00 - 1,000 ng/mL K3EDTA 240 -20
Methotrexate / 7-Hydroxymethotrexate Human Plasma 1.00 - 500 ng/mL NaEDTA 527 -20
Methotrexate / 7-Hydroxymethotrexate Human Plasma 1.00 - 500 ng/mL K2EDTA 59 -20
Methotrexate / 7-Hydroxymethotrexate Human Plasma 1.00 - 500 ng/mL K2EDTA 50 -70
Methotrexate / 7-Hydroxymethotrexate Human Urine 1,000 - 50,000 ng/mL
50.0 - 2,500 ng/mL 		None 89 -20
1-Methyluric acid Human Urine 2,500 - 20,000 ng/mL None 131 -20
1-Methyluric acid Human Urine 2,500 - 20,000 ng/mL None 131 -70
1-Methylxanthine / 1,7-Dimethyluric acid Human Urine 500 - 20,000 ng/mL None 21 -20
1-Methylxanthine / 1,7-Dimethyluric acid Human Urine 500 - 50,000 ng/mL None 21 -20
Metoprolol Human Plasma 0.500 - 250 ng/mL Heparin/EDTA 121 -20,-70
Midazolam / 1-Hydroxymidazolam Human Plasma 0.100 - 10.0 ng/mL K2EDTA 1093 -20
Midazolam / 1-Hydroxymidazolam /
4-Hydroxymidazolam		 Human Plasma 0.100 - 50.0 ng/mL K2EDTA 117 -20
Moexipril / Hydrochlorothiazide Human Plasma 1.00 - 200 ng/mL K2EDTA 36 -70
Morphine / Morphine-6-glucuronide Human Plasma 0.500 - 100 ng/mL
2.5 - 500 ng/ml		 K2EDTA 462 -20
Morphine / Morphine-3-glucuronide / Morphine-6-glucuronide Human Plasma 0.500 - 50.0 ng/mL
10.0 - 1,000 ng/mL
1.00 - 100 ng/mL
Moxifloxacin Human Plasma 25.00 - 5,000 ng/mL K2EDTA 94 -20
Moxifloxacin Human Plasma 25.00 - 5,000 ng/mL NaHep 175 -20
Moxifloxacin Human Plasma 25.00 - 5,000 ng/mL Lithium Heparin 30 days -70,-20
Naltrexone / Naltrexol Human Plasma 20.0 - 2,000 pg/mL
0.500 - 50.0 ng/mL 		K2EDTA 174 -70
Naltrexone / Naltrexol Human Plasma 4.00 - 4,000 pg/mL
0.250 - 250.0 pg/mL 		K2EDTA 35 -20
Nelfinavir Human Plasma 1.00 - 1,000 ng/mL K3EDTA 100 -20
Nicotine/Cotinine Human Plasma 1.00 - 500 ng/mL
2.00 - 1,000 ng/mL		 EDTA 184,~481 -20,-70
Nifedipine Human Plasma 1.00 - 250 ng/mL K2EDTA 277 -20
Nilotinib Human Plasma 5.00 - 2,000 ng/mL K2EDTA 102 -20
Nisoldipine Human Plasma 50.0 - 10,000 pg/mL K2EDTA 288 -20
Octreotide Human Plasma 50.0 - 20,000 pg/mL
Olanzapine Human Plasma 0.400 - 100 nM K2EDTA 234 -20
Omeprazole / 5-Hydroxyomeprazole Human Plasma 10.0 - 1,000 ng/mL K3EDTA 141 -20
Oxycodone Human Plasma 0.200 - 100 ng/mL EDTA 97 -20
Oxymorphone Human Plasma 0.0500 - 25.0 ng/mL EDTA 97 -20
Paclitaxel Human Plasma 10.0 - 2,000 ng/mL K3EDTA 433 -20
Paclitaxel Human Plasma 10.0 - 5,000 ng/mL K2EDTA 164 -20,-70
Paliperidone (9-Hydroxy Risperidone) Human Plasma 0.100 - 100 nM
Pramipexole Human Plasma 50.0 - 5,000 pg/mL K3EDTA 35 -20
Pregabalin Human Plasma 50.0 - 20,000 ng/mL K2EDTA 538 -20
Quetiapine Human Plasma 0.500 - 2,000 ng/mL K2EDTA 194,3 -20,-70
Raltegravir Human Plasma 1.00 - 1,000 ng/mL
Ramelteon Human Plasma 50.0 - 8,000 pg/mL K2EDTA 95 -20
Ranolazine Human Plasma 5.00 - 5,000 ng/mL K2EDTA Pending -20,-70
Ribavarin Human Plasma 5.00 - 5,000 ng/mL K2EDTA 191 -20,-70
Rifaximin Human Plasma 0.100 - 10.0 ng/mL K2EDTA 448 -20
Riluzole Human Plasma 5.00 - 2,000 ng/mL K3EDTA -20
Riluzole Dried Blood Spot 5.00 - 2,000 ng/mL
Risperidone / 9-Hydroxy Risperidone (Paliperidone) Human Plasma 0.400 - 100 nM K2EDTA 219 -20
Rosiglitazone Human Plasma 1.00 - 1,000 ng/mL K2EDTA