Warning letter

Colorado Histo-Prep: warning letter of Mar 11, 2014

FDA warning letter 420209 · Center for Drug Evaluation and Research

Key facts

Reference number 420209
Company Colorado Histo-Prep
Subject Good Laboratory Practice (GLP)
Issue date Mar 11, 2014
Posted date Apr 16, 2014
Issuing office Center for Drug Evaluation and Research
Product type Drugs
CFR sections cited 58, 58.35(a), 58.35(b)(5), 58.35(b)(6), 58.63(a), 58.81(a), 58.81(b)(10)
Inspection city Fort Collins
Inspection ZIP 80526-5556
Inspection start date Apr 10, 2013
Letter on fda.gov web.archive.org

At a glance

  • 1–9 CFR sections cited
  • OAI Linked inspection classification
  • Yes Form FDA 483 issued

Counts are shown as ranges. Exact figures, trends and every underlying record are available in Orca1.

About FDA warning letters

FDA warning letters notify a firm of significant regulatory violations found during an inspection or review and request prompt corrective action.

Source: U.S. Food and Drug Administration (FDA), Warning Letters · Source date:

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