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Pharmacogenetic Test (PGx)

What is a Pharmacogenetic Test?

The purpose of pharmacogenetic (PGx) testing is to determine how a patient will likely respond to a particular medication. Knowing this information ahead of time can allow physicians to know whether or not to prescribe a certain medication to determine what dosage is appropriate.

How it Works?

Pharmacogenomic testing examining genes of a patient to determine if a certain medication may be effective and whether or not side effects could be experienced. The test results are based on a patient’s genetic profile. Testing can be done on several different types of drugs and medications, including:

  • Non-steroidal anti-inflammatory drugs (NSAIDs) and opioids.
  • Local anesthetics
  • Cardiac Panel
  • Psych Panel
  • Cholinergic agonists used by dentists
  • ACE inhibitors and beta blockers
  • Diuretics
  • Pain Panel
  • Custom Panel

How is the Test Done?

PGx testing is done with either a blood or saliva sample. Genetic medications does not change over time. PGx test would be needed for the new medication to determine how it may affect the same result.

When are the tests ordered?

A healthcare practitioner may test a patient’s genes for certain variations and results of the testing may be combined with the individual’s clinical information, including age, weight, health and other drugs that they are taking, to help tailor therapy. Sometimes, the healthcare practitioner may use this information to adjust the medication dose or sometimes to choose a different drug.


Pharmacogenetic testing for a specific gene is only performed once since a person’s genetic makeup does not change over time. Depending on the medication, a single or multiple gene may be ordered.


Testing may be ordered prior to starting specific drug therapies.

PGx Requisition Form

To get more information, a quote, or to schedule a teleconference please contact us.

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