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Home / Test Menu / CYP2D6

CYP2D6 Genotyping

Genelex Genotyping CYP2D6CYP2D6 acts on 25% of all prescription drugs. [33] Approximately 4-7% of the population has a slow acting form of this enzyme and 3% a super-fast acting form. About 35% of the population are carriers of a non-functional CYP2D6 allele, which especially elevates the risk of adverse drug events (ADEs) when these individuals are taking multiple drugs.[5]

Drugs that CYP2D6 metabolizes include selective serotonin reuptake inhibitors (SSRI), tricyclic antidepressants (TCA), beta-blockers, opiates, neuroleptics, antiarrhythmics, and a variety of toxic plant substances.

Genelex offers improved detection rates using an extended Cytochrome P450 2D6 DNA mutation panel. This CYP2D6 test identifies 25 variants of the more common alleles (*2,*2A,*3-*12,*14,*15,*17,*19,*20,*21,*29,*30,*35,*36,*41,*56,*109), gene deletions, gene duplications and gene rearrangements in PCR-multiplex format, providing increased sensitivity and quality performance. Copy number and gene re-arrangement determinations may not always be determined. This CYP2D6 Mutation Detection Panel is the most extensive on the market and covers over 93-97% of poor metabolizer phenotypes. Analytical specificity and sensitivity for detection of these mutations are >99%.

Indication for CYP2D6 Testing

For individuals with a personal or family history of adverse drug reactions to medications metabolized by CYP2D6.

Insurance Coverage

CPT Code is 81227 (provided as guidance only).

Specimen Collection

Click here to order testing supplies or call Client Services at 800-837–8362.

  • Buccal Swabs: 4 sterile buccal swabs (preferred)
  • Blood: 5-10cc whole blood lavender-top EDTA or yellow-top ACD-A tubes
  • Turnaround Time: 10 business days, faster turnaround available for clinical trials

Individual Genes Tested

CYP2C9
CYP2C19
CYP2D6
CYP3A4 / CYP3A5
ADRA2A
CYP1A2
CYP2B6
CYP4F2 / VKORC1
COMT
DPYD
Factor II - Factor V Leiden
GRIK4
HLA-A or HLA-B
HTR2A
HTR2C
IFNL3
MTHFR
NAT2
OPRM1
SLCO1B1
TPMT
UGT1A1

Improving Drug Efficacy

Genelex's pharmacogenetic testing bridges the gap in understanding how the role of PGx can help in patient care and offers a simple DNA test and provides you with a report of the results that you and your doctor can discuss.

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