---
kind: "unit"
title: "21"
title_heading: "Food and Drugs"
key: "chI/subchA/part58"
level: "part"
label: "Part 58"
heading: "Good Laboratory Practice for Nonclinical Laboratory Studies"
release: "ecfr-current"
date: "2026-08-27"
url: "https://uscodex.org/cfr/21/chI-subchA-part58"
sections_count: 36
---

# Part 58 — Good Laboratory Practice for Nonclinical Laboratory Studies

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

## Contents

- [Subpart A — General Provisions](/cfr/21/chI-subchA-part58-subpartA.md)
- [Subpart B — Organization and Personnel](/cfr/21/chI-subchA-part58-subpartB.md)
- [Subpart C — Facilities](/cfr/21/chI-subchA-part58-subpartC.md)
- [Subpart D — Equipment](/cfr/21/chI-subchA-part58-subpartD.md)
- [Subpart E — Testing Facilities Operation](/cfr/21/chI-subchA-part58-subpartE.md)
- [Subpart F — Test and Control Articles](/cfr/21/chI-subchA-part58-subpartF.md)
- [Subpart G — Protocol for and Conduct of a Nonclinical Laboratory Study](/cfr/21/chI-subchA-part58-subpartG.md)
- [Subpart H-I — Subparts H-I [Reserved]](/cfr/21/chI-subchA-part58-subpartH-I.md)
- [Subpart J — Records and Reports](/cfr/21/chI-subchA-part58-subpartJ.md)
- [Subpart K — Disqualification of Testing Facilities](/cfr/21/chI-subchA-part58-subpartK.md)