Kwaliteitsbewaking Klinische Geneesmiddelanalyse en Toxicologie

Concentration tests and controls.

Concentration tests 2017

Components Unit Round 2017.1 Round 2017.2 Round 2017.3 Round 2017.4
Carbamazepine mg/l 6,42  2,57 10,29  7,71
10,11-epoxide-CBZ mg/l 1,85  0,444 2,78  3,71
Ethosuximide mg/l 101,0  80,79  25,52  40,47
Phenobarbital mg/l 22,94  38,22  30,65  15,31
Phenytoin mg/l 11,68  19,45  5,86  15,59
Lamotrigine mg/l 13,24  6,62  0.995  10,61
Levetiracetam mg/l 11,62  2,79  23,30  15,52
Monohydroxy-carbazepine mg/l 33,09  16,54  9,95  6,63
Valproic acid mg/l 61,30  76,60  46,08  30,70

Concentration tests 2016

Components Unit Round 2016.1 Round 2016.2 Round 2016.3 Round 2016.4
Carbamazepine mg/l  8,83  4,41  17,58  11,00
10,11-epoxide-CBZ mg/l  2,77  0,737  5,52  1,84
Ethosuximide mg/l  66,25  132,3  43,99  88,11
Phenobarbital mg/l  28,30  37,68  18,79  56,46
Phenytoin mg/l  11,36  37,80  18,85  15,10
Lamotrigine mg/l  10,65  4,25  12,73  25,50
Levetiracetam mg/l  36,61  18,28  7,29  14,61
Monohydroxy-carbazepine mg/l  11,07  55,26  27,56  22,08
Valproic acid mg/l  42,32  63,39  84,30  126,6

Concentration tests 2015

Components Unit Round 2015.1 Round 2015.2 Round 2015.3 Round 2015.4
Carbamazepine mg/l 10,06 6,04  3,02  7,99
10,11-epoxide-CBZ mg/l 3,68 0,413  1,47  2,92
Ethosuximide mg/l 58,98 73,76  88,38  29,29
Phenobarbital mg/l 23,88 14,34  28,63  37,95
Phenytoin mg/l 6,54 26,19  9,81  16,25
Lamotrigine mg/l 12,72 6,37  1,02  10,11
Levetiracetam mg/l 19,65 3,02  9,82  16,26
Monohydroxy-carbazepine mg/l 7,68 15,37  20,46  30,51
Valproic acid mg/l 88,29 35,33  52,92  70,15

Concentrations control (matrix: lyophilised human serum)

Components Weighed-in value
Unit 2018 2017 2016 2015 2014
Carbamazepine mg/l 7,72 7,86 7,79 7,86
10,11-epoxide-CBZ mg/l 1,95 1,97 2,05 2,03
Ethosuximide mg/l 69,88 69,80 69,37 68,14
Phenobarbital mg/l 28,74 30,26 29,59 29,69
Phenytoin mg/l 14,63 14,84 15,20 15,11
Lamotrigine mg/l 7,96 7,59 7,88 7,85
Levetiractam mg/l 14,57 14,35 15,22 14,79
Monohydroxy-carbazepine mg/l 19,90 19,72 19,82 20,08
Valproic acid mg/l 69,13 67,87 66,81 67,04
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