Skip to main content
. Author manuscript; available in PMC: 2018 Oct 1.
Published in final edited form as: Ther Drug Monit. 2017 Oct;39(5):556–564. doi: 10.1097/FTD.0000000000000427

Table 2.

The key assay performance parameters in plasma and urine. Accuracy and imprecision (%CV) were determined over 3 days with 6 sets of QC samples analyzed on each consecutive day. Data listed were based on the QCs within the working range of the assay.

A: Key assay performance parameters in plasma

Mean intra-batch Mean inter-batch
% Accuracy %Imprecision % Accuracy % Imprecision
11OH-THC 93.0 – 103.2 1.5 – 7.3 95.7 – 102.8 2.2 – 5.7
CBN 96.4 – 105.8 1.4 – 5.5 98.5 – 103.8 2.4 – 5.5
CBG 93.8 – 104.2 1.0 – 4.7 95.5 – 102.0 2.5 – 3.4
THC 89.5 – 112.6 0.5 – 7.5 94.9 – 106.6 3.8 – 7.5
THCV 75.3 – 121.2 1.6 – 6.5 96.0 – 103.0 15.7 – 17.2
THC-COOH 94.3 – 114.3 1.9 – 7.6 97.4 – 108.6 3.0 – 6.4
THCV-COOH 86.3 – 103.9 2.2 – 8.3 92.6 – 101.6 3.7 – 7.5
CBD 93.9 – 104.6 1.0 – 6.8 97.3 – 102.9 2.7 – 5.7
CBC 88.4 – 114.0 1.6 – 5.0 90.2 – 97.5 3.1 – 6.6
CBDV 78.1 – 109.9 2.1 – 6.7 95.2 – 99.8 11.3 – 14.4
THC-C-gluc 89.2 – 110.3 0.8 – 8.8 92.3 – 102.5 5.6 – 7.3
B: Key assay performance parameters in urine

Mean intra-batch Mean inter-batch
%Accuracy %Imprecision %Accuracy %Imprecision
11OH-THC 93.7 – 105.1 1.8 – 13.7 96.8 – 100.2 4.9 – 9.9
CBN 88.6 – 105.0 3.3 -12.0 92.9 – 100.4 5.8 – 11.7
CBG 91.7 – 107.3 2.3 – 8.2 96.7 – 103 3.6 – 7.3
THC 91.9 – 101.8 0.9 – 9.2 94.7 – 100.5 2.3 – 8.1
THCV 84.9 – 100.0 2.6 – 8.1 88.3 – 93.7 4.9 – 7.5
THC-COOH 90.9 – 102.9 2.4 – 8.5 94.2 – 100.9 4.3 – 7.4
THCV-COOH 85.3 – 100.6 2.3 – 15.2 92.1 – 97.8 7.9 – 10.5
CBD 92.3 – 100.8 1.8 – 8.3 94.4 – 99.3 2.2 – 6.4
CBC 88.3 – 101.7 1.6 – 10.3 92.6 – 100.6 4.4 – 10.8
CBDV 85.3 – 98.0 2.6 – 9.6 85.8 – 93.8 4.5 – 9.0
THC-C-gluc 82.6 – 104.0 2.8 – 14.1 88.6 – 100.8 5.4 – 9.6