Comparison 

Urine vs. Oral Fluid vs. EyeCheck


         A complete comparison between a traditional lab-based urine drug test
           and the new lab-based oral fluid drug test: Intercept™ and EyeCheck:
 

 
DRUG Marijuana URINE ORAL EYECHECK

SAMPLE
Specimen
Special handling
Minimum volume
"Shy bladder"
Hazardous
Yes
30 ml
Possible
Non-hazardous
No
1 ml
No
Non-hazardous
No
No
No

COLLECTION Principle
Collection side
Collector
Procedure
Intrusive
Secured facility
Specialist
Laborious
Invasive
Not required
Non-specialist
Swift
Non-invasive
Not required
Non-specialist
Swift

ADULTE-
RATION
Observed collection
Substituted sample
Diluted sample
Masking agents
No
Possible
Possible
Possible
Yes
No
No
No
Yes
No
No
No

TESTING Screening
Cut-off
Confirmation
Cut-off
EMIT
50 ng/ml
GC-MS
15 ng/ml
ELISA
4 ng/ml
GC-MS/MS
4 ng/ml
Pre-screening
0
Pre-screening
0

FINDINGS Detection starts
Detection ends

Basic compound
Quality/property

Implication
Blood-equivalent
Several hours
Days/weeks

Metabolites
Waste product

Recent use
No
Few minutes
12-24 hours

Parent drug
Psychoactive

Under influence
Yes

Few minutes
12-24 hours

Parent drug
Psychoactive

Under influence
Yes

In roadside testing (police), safety-sensitive workplace testing (transport, mining, construction, manufacturing, energy, etc.) and various departments, forces and services, EyeCheck and oral fluid offers several advantages over urine, whereas urine offers a longer track record of the subject/employee. As oral fluid is a lab. test the best system of today is EyeCheck followed by a urine test.

 

 

 
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DTA