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Colorado Department of Public Health and Environment
Laboratory Services Division

Toxicology Laboratory

The Toxicology Laboratory provides testing for the forensic community that is sensitive and conclusive for drugs in blood, urine or solid dose materials (pills, powders, etc.).

Customers served by the Toxicology Laboratory include professionals from law enforcement, drug treatment centers, youth facilities, community corrections, individuals, hospitals, and public and private attorneys.
The laboratory participates regularly in external quality assurance proficiency surveys from the College of American Pathologists as part of an effort to achieve a consistently high standard of performance. The laboratory is certified by the Colorado Department of Public Health and Environment Certification Unit.
Blood Alcohol Testing
 

Blood alcohol specimens are analyzed by
headspace/gas chromatography.
All samples are analyzed in duplicate by dual columns.
Blood and Urine Drug Testing
 

The laboratory uses a range of carefully controlled chromatographic and immunoassay techniques for detecting
and confirming the presence of drugs of abuse in
blood and urine specimens.

Blood samples are screened by
Enzyme-Linked ImmunoSorbent Assay (ELISA).

Urine samples are screened by Enzyme Multiplied Immunoassay Technique (EMIT). Confirmations are performed by gas chromatography mass spectrometry (GC/MS).
The standard 10 drug panel identifies the following drugs:
Alcohol
Cocaine    
Amphetamines Methadone
Barbiturates Opiates
Benzodiazepines Phencyclidine (PCP)
Cannabinoids (THC) Propoxyphene (Darvon)
Additional Services
Expert testimony Specimen adulteration tests - specific gravity and creatinine
Lysergic acid diethylamide (LSD) Toxic vapors (inhalants)
Prescription drug testing
(Includes screening for levamisole)
Unknown pill and powder identification

Forensic Professionals
 
(Effective 6-2008)
 
(Effective 7-1-10)
 
Amended 11-15-06, effective 1-30-07.


Specimen Collection
Form
Completion
 
Second sample independent analysis
information link:
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Certified Toxicology Laboratories
 
U.S. Department of Justice
Drug Photos

Learning Resources
Learning Resources at COTRAIN
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