Analyte    Normal levels    Toxic Levels    Fatality Levels   
 Clomipramine  0.017-0.282mg/L  0.54-2.1mg/L  No data available
 Clonazepam  0.02-0.07mg/L  >0.1mg/L  No data available
 Clonazepam 7-Amino  0.02-0.14mg/L  No data available  No data available
 Clopidogrel metabolite (SR26334A)  0.04-6.12mg/L  No data available  No data available
 Clozapine  0.1-0.8mg/L  0.8-1.3mg/L  3mg/L
 Cocaine  0.05-0.3mg/L  0.25-5mg/L  1-20mg/L
 Cocaine (Liver)  No data avaliable  No data avaliable  0.1-20mg/kg
 Cocaine (Vitreous humour)  No data available  No data available  No data available
 Codeine  0.01-0.25mg/L  0.3-1mg/L  >1.6mg/L
 Codeine (Liver)  No data available  No data available  0.6-45mg/Kg
 Creatinine  60-110umol/L  No data available  No data available
 Cyanide  0.001-0.015mg/L  0.5mg/L  1-5mg/L
 Cyclizine  0.03-0.3mg/L  0.75-1mg/L  15mg/L
 Desethylamiodarone  0.5-2.5mg/L  No data available  No data available
 Desipramine  0.075-0.25mg/L  No data available  0.5-7.8mg/L
 Desmethylclobazam - females  0.22-4.13mg/L  No data avaliable  No data available
 Desmethyldiazepam  0.2-1.8mg/L  1.5-2.0mg/L  No data available
 Desmethyldiazepam (Liver)  No data available  No data available  4mg/Kg

The Forensic Toxicology Service is pleased to supply the following analyte references ranges

These results are collated from a number of references. However, we cannot assume responsibility for the contents of these ranges and they are provided solely as a general reference resource
Bioanalytics and Forensic Toxicology