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Recommendations for Testing Blood Donations for Hepatitis B Surface Antigen: Draft Guidance for Industry

DraftCenter for Biologics Evaluation and Research07/15/2025

Description

This guidance document provides you, blood establishments that collect blood and blood components, including Source Plasma, with FDA’s recommendations for testing blood and blood components for hepatitis B surface antigen (HBsAg) to reduce the risk of transfusion-transmitted hepatitis B virus (HBV).  The recommendations contained in this guidance apply to the collection of Whole Blood and blood components, including Source Plasma.

Scope & Applicability

Product Classes

3
Blood and blood components

General category for donations being tested.

Whole Blood

Blood component subject to the recommendations in this guidance

Source Plasma

Specific blood component with distinct testing recommendations; Recommendations for testing Source Plasma differ from whole blood.

Stakeholders

1
blood establishments

Entities that collect blood and blood components; Entities responsible for testing donations and complying with regulations.

Regulatory Context

Attributes

1
reactive

Test result status indicating presence of a marker

Identified Hazards

Hazards

1
HBV transmission

The risk being mitigated by the recommended testing algorithm.

Related CFR Sections (7)

See Also (8)