---
title: "Bsa Bovine Serum Albumin (e204) IgG Test: What It Measures"
description: "It measures IgG antibodies to bovine serum albumin (BSA). Order through Vitals Vault and test at a Quest lab with PocketMD guidance."
canonical: "https://www.vitalsvault.com/biomarkers/bsa-bovine-serum-albumin-e204-igg"
last-updated: 2026-08-22
---

# Bsa Bovine Serum Albumin (e204) IgG Test: What It Measures

> It measures IgG antibodies to bovine serum albumin (BSA). Order through Vitals Vault and test at a Quest lab with PocketMD guidance.

---

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