---
title: "Human Platelet Antigen 1 (HPA-1) Genotype Test"
description: "It identifies your HPA-1 genetic type to assess platelet antigen compatibility risks, with convenient ordering and Quest-based lab collection via Vitals."
canonical: "https://www.vitalsvault.com/biomarkers/human-platelet-antigen-1-genotype"
last-updated: 2026-08-22
---

# Human Platelet Antigen 1 (HPA-1) Genotype Test

> It identifies your HPA-1 genetic type to assess platelet antigen compatibility risks, with convenient ordering and Quest-based lab collection via Vitals.

---

Canonical HTML: https://www.vitalsvault.com/biomarkers/human-platelet-antigen-1-genotype
- [llms.txt](https://www.vitalsvault.com/llms.txt)
- [sitemap.xml](https://www.vitalsvault.com/sitemap.xml)
- [Developer portal](https://www.vitalsvault.com/developers)