21 CFR Part 58 · Good Laboratory Practice for Nonclinical Laboratory Studies

§ 58.81 Standard operating procedures

Subpart E - Testing Facilities Operation Official text on eCFR Amendment history

(a) A testing facility shall have standard operating procedures in writing setting forth nonclinical laboratory study methods that management is satisfied are adequate to insure the quality and integrity of the data generated in the course of a study. All deviations in a study from standard operating procedures shall be authorized by the study director and shall be documented in the raw data. Significant changes in established standard operating procedures shall be properly authorized in writing by management.

(b) Standard operating procedures shall be established for, but not limited to, the following:

(1) Animal room preparation.

(2) Animal care.

(3) Receipt, identification, storage, handling, mixing, and method of sampling of the test and control articles.

(4) Test system observations.

(5) Laboratory tests.

(6) Handling of animals found moribund or dead during study.

(7) Necropsy of animals or postmortem examination of animals.

(8) Collection and identification of specimens.

(9) Histopathology.

(10) Data handling, storage, and retrieval.

(11) Maintenance and calibration of equipment.

(12) Transfer, proper placement, and identification of animals.

(c) Each laboratory area shall have immediately available laboratory manuals and standard operating procedures relative to the laboratory procedures being performed. Published literature may be used as a supplement to standard operating procedures.

(d) A historical file of standard operating procedures, and all revisions thereof, including the dates of such revisions, shall be maintained.

Independent copy, not an official legal edition. 21 CFR is a U.S. Government work in the public domain; this text comes from the eCFR and the annual CFR edition, and may lag recent amendments. The authoritative version is on ecfr.gov. Compliome is not affiliated with or endorsed by FDA. Not legal advice.

What FDA inspectors cite under § 58.81

Form FDA 483 observations citing this section, fiscal years 2016–2016 (Bioresearch Monitoring).

  • SOPs: availability 1

Warning letters citing § 58.81

7 FDA warning letters since 2017 cite this section :

Amendment history

Federal Register documents that created or amended this section.