---
kind: "unit"
title: "21"
title_heading: "Food and Drugs"
key: "chI/subchF/part640"
level: "part"
label: "Part 640"
heading: "Additional Standards for Human Blood and Blood Products"
release: "ecfr-current"
date: "2026-08-27"
url: "https://uscodex.org/cfr/21/chI-subchF-part640"
sections_count: 61
---

# Part 640 — Additional Standards for Human Blood and Blood Products

Title 21 C.F.R. — Food and Drugs › Chapter I — Food and Drug Administration, Department of Health and Human Services › Subchapter F — Biologics

## Contents

- [Subpart A — Whole Blood](/cfr/21/chI-subchF-part640-subpartA.md)
- [Subpart B — Red Blood Cells](/cfr/21/chI-subchF-part640-subpartB.md)
- [Subpart C — Platelets](/cfr/21/chI-subchF-part640-subpartC.md)
- [Subpart D — Plasma](/cfr/21/chI-subchF-part640-subpartD.md)
- [Subpart E — Subpart E [Reserved]](/cfr/21/chI-subchF-part640-subpartE.md)
- [Subpart F — Cryoprecipitate](/cfr/21/chI-subchF-part640-subpartF.md)
- [Subpart G — Source Plasma](/cfr/21/chI-subchF-part640-subpartG.md)
- [Subpart H — Albumin (Human)](/cfr/21/chI-subchF-part640-subpartH.md)
- [Subpart I — Plasma Protein Fraction (Human)](/cfr/21/chI-subchF-part640-subpartI.md)
- [Subpart J — Immune Globulin (Human)](/cfr/21/chI-subchF-part640-subpartJ.md)
- [Subpart K — Subpart K [Reserved]](/cfr/21/chI-subchF-part640-subpartK.md)
- [Subpart L — Alternative Procedures](/cfr/21/chI-subchF-part640-subpartL.md)
- [Subpart M — Definitions and Medical Supervision](/cfr/21/chI-subchF-part640-subpartM.md)