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What Are the Pros and Cons of a Hair Drug Test?

Hair testing analyzes a hair sample for parent drugs and their metabolites. Hair tests are a good option opposed to other specimens, but have some cons as well.


  • Observed collection
  • Long detection window
  • Does not deteriorate
  • Can be used to measure chronic drug use
  • Convenient shipping and storage
  • More difficult to adulterate than urine








  • Moderate to high cost
  • Cannot be used to detect drug used 1-14 days prior to drug test
  • Not effective for compliance monitoring
  • External contamination

ARCpoint Labs of Southboro-Framingham provides free consultations and can answer any questions on hair testing. Please call today at (508) 834-3760.

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