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Published Tuesday, 7th April 2015

Every drug (recreational or prescribed) consumed into the body takes a certain amount of time to clear out of the system.

When a biological sample such as blood, urine, saliva or breath is collected, the period of time taken for certain drugs (or their metabolites) to clear the sample, is known as the “Detection Period” or “Detection Window”.

Detection Windows are influenced by factors such as: drug class, the amount and frequency of drug use, metabolic rate, body mass, age, general health, and urine pH.

Metabolites are the intermediates and products of metabolism. Metabolites are also tested along with their parent drug because metabolites have a Detection Window in urine of up to several days, whereas some drugs have a Detection Window in urine that lasts only hours.

Detection Windows

Type of Drug Detection in Urine Detection in Oral Fluid
Alcohol 6 – 14 hours 12 hours
Cannabinoids (THC) Up to 30 days 24 hours
Opiates 2 – 4 days 1 – 4 days
Amphetamines 2 – 4 days 12 hours
Methamphetamines 1 – 3 days 1 – 3 days
Cocaine 0.5 – 3 days 2 – 5 days
Benzodiazapines 1 – 12 days 6 – 48 hours


KINNECT conducts non-disruptive, onsite drug and alcohol testing for organisations as well as providing employers options for in-clinic random, blanket or casual testing for current employees and potential new staff.

KINNECT can conduct any of the following forms of drug and alcohol testing:

  • Instant Urine Drug Test
  • Instant Saliva Drug Test
  • Laboratory Urine Drug Test
  • Laboratory Saliva Drug Test
  • Instant Breath Alcohol

KINNECT perform both onsite and in clinic Drug and Alcohol Testing to the following standards:

  • AS/NZS 4308:2008 – Procedures for Specimen Collection and the Detection and Quantitation of Drugs of Abuse in Urine
  • AS/NZS 4760:2006 – Procedures for Specimen Collection and the Detection and Quantitation of Drugs in Oral Fluid

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