International Screening Limits

International Screening Limits – March 2013
Substance International Screening Limit (nanograms per millilitre in hydrolysed urine)
Furosemide 50
Flunixin 100
Meloxicam 10
Dipyrone 1000a
Triamcinolone Acetonide 0.5
Ipratropium 0.25
Betamethasone 0.20
Lidocaine 10b
Mepivacaine 10c
Dembrexine 100
Ketoprofen 100
N-Butylscopolammonium 25
Diclofenac 50
Carprofen 100
Vedaprofen 50
Meclofenamic Acid 250
Naproxen 250
Bromhexine 200d
Phenylbutazone 100
Acepromazine 10e
Detomidine 2f
Eltenac 50
Butorphanol 1 ng/ml
Romifidine 1 ng/ml
Salbutamol 500 pg/ml
a Controlled by 4-methylaminoantipyrine
b Controlled by 3′-hydroxylidocaine
c Controlled by 3′-hydroxymepivacaine
d Controlled by ambroxal
e Controlled by 2-(1-hydroxyethyl)promazine sulphoxide
f Controlled by 3′-hydroxydetomidine
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