Pharmacogenetic genes explained
PGx reports often become easier to use once the gene names stop feeling abstract. This glossary hub gathers the most common gene pages in one place so you can move from a symbol on a report to a plain-language explanation quickly.
Each page explains what the gene is, where it may show up in a medication conversation, and what questions are worth asking next.
Start with the most common gene pages
Open the CYP2D6 page for a practical explanation of the marker, report terms, and why it may matter in medication discussions.
Open the CYP2C19 page for a practical explanation of the marker, report terms, and why it may matter in medication discussions.
Open the CYP2C9 page for a practical explanation of the marker, report terms, and why it may matter in medication discussions.
Open the VKORC1 page for a practical explanation of the marker, report terms, and why it may matter in medication discussions.
How to use the glossary alongside a report
The glossary works best when you open it with a specific question in mind. You might want to decode a gene symbol, understand a phenotype label, or figure out why one marker appears on the report at all.
Use the glossary as context, then return to the service page, sample report, or clinician conversation that gives the gene meaning.
Start with the gene name
If the report lists a gene you do not recognize, open that page first.
Match the gene to the medication
A gene page is more useful when you know which drug or category is being discussed.
Keep the full report nearby
Phenotype language makes more sense when you can see the gene inside the actual report structure.
Full gene glossary index
| Gene page | URL | What you will find |
|---|---|---|
| CYP2D6 pharmacogenetic testing | /pharmacogenetic-testing/cyp2d6/ | Plain-language explanation of the gene, related medication context, and report terminology. |
| CYP2C19 pharmacogenetic testing | /pharmacogenetic-testing/cyp2c19/ | Plain-language explanation of the gene, related medication context, and report terminology. |
| CYP2C9 pharmacogenetic testing | /pharmacogenetic-testing/cyp2c9/ | Plain-language explanation of the gene, related medication context, and report terminology. |
| VKORC1 pharmacogenetic testing | /pharmacogenetic-testing/vkorc1/ | Plain-language explanation of the gene, related medication context, and report terminology. |
| SLCO1B1 pharmacogenetic testing | /pharmacogenetic-testing/slco1b1/ | Plain-language explanation of the gene, related medication context, and report terminology. |
| HLA-B pharmacogenetic testing | /pharmacogenetic-testing/hla-b/ | Plain-language explanation of the gene, related medication context, and report terminology. |
| TPMT pharmacogenetic testing | /pharmacogenetic-testing/tpmt/ | Plain-language explanation of the gene, related medication context, and report terminology. |
| NUDT15 pharmacogenetic testing | /pharmacogenetic-testing/nudt15/ | Plain-language explanation of the gene, related medication context, and report terminology. |
| DPYD pharmacogenetic testing | /pharmacogenetic-testing/dpyd/ | Plain-language explanation of the gene, related medication context, and report terminology. |
| UGT1A1 pharmacogenetic testing | /pharmacogenetic-testing/ugt1a1/ | Plain-language explanation of the gene, related medication context, and report terminology. |
| CYP3A5 pharmacogenetic testing | /pharmacogenetic-testing/cyp3a5/ | Plain-language explanation of the gene, related medication context, and report terminology. |
| CYP2B6 pharmacogenetic testing | /pharmacogenetic-testing/cyp2b6/ | Plain-language explanation of the gene, related medication context, and report terminology. |
| G6PD testing and medication questions | /pharmacogenetic-testing/g6pd/ | Plain-language explanation of the gene, related medication context, and report terminology. |
| IFNL3 pharmacogenomic testing | /pharmacogenetic-testing/ifnl3/ | Plain-language explanation of the gene, related medication context, and report terminology. |
What to verify before you order
Clear workflow
The ordering path, sample steps, and report handoff around glossary stay visible so you can evaluate the process before committing.
Defined limitations
Limits are written directly into the glossary page so the result is not stretched beyond what it can responsibly support.
Proof-ready structure
Verified testimonials and credentials can be added to the glossary section later, while the current page builds confidence through process detail now.
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