21 CFR § 211.113 - Control of microbiological contamination.

---
identifier: "/us/cfr/t21/s211.113"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "21 CFR § 211.113 - Control of microbiological contamination."
title_number: 21
title_name: "Food and Drugs"
section_number: "211.113"
section_name: "Control of microbiological contamination."
chapter_name: "FOOD AND DRUG ADMINISTRATION, DEPARTMENT OF HEALTH AND HUMAN SERVICES"
subchapter_number: "C"
subchapter_name: "DRUGS: GENERAL"
part_number: "211"
part_name: "CURRENT GOOD MANUFACTURING PRACTICE FOR FINISHED PHARMACEUTICALS"
positive_law: false
currency: "2026-04-05"
last_updated: "2026-04-05"
format_version: "1.1.0"
generator: "[email protected]"
authority: "21 U.S.C. 321, 351, 352, 355, 360b, 360ddd, 360ddd-1, 371, 374; 42 U.S.C. 216, 262, 263a, 264."
regulatory_source: "43 FR 45077, Sept. 29, 1978, unless otherwise noted."
cfr_part: "211"
---


# 211.113 Control of microbiological contamination.

(a) Appropriate written procedures, designed to prevent objectionable microorganisms in drug products not required to be sterile, shall be established and followed.

(b) Appropriate written procedures, designed to prevent microbiological contamination of drug products purporting to be sterile, shall be established and followed. Such procedures shall include validation of all aseptic and sterilization processes.

[43 FR 45077, Sept. 29, 1978, as amended at 73 FR 51932, Sept. 8, 2008]