FDA-Inspected Site

United Therapeutics Corporation

9 FDA inspections are on record for United Therapeutics Corporation in Silver Spring, United States.

483· Form 483 issued

Silver Spring, United States · Last updated July 9, 2026

Overview

  • 9 FDA inspections are on record.
  • 6 inspections produced a Form 483.
  • The most recent recorded inspection date is 2024-05-02.

At a glance

Inspections

9

Form 483s

6

EIRs

1

Last outcome

Form 483

Inspection history

FDA inspections on record, most recent first.

InspectionCategoryOutcomeForm 483
22 Apr 2024 – 2 May 2024Human Drugs483View 483 →
16 Mar 2017 – 31 Mar 2017Human Drugs483View 483 →
7 Jul 2014 – 11 Jul 2014Human DrugsClean
9 Jun 2014 – 13 Jun 2014Human Drugs483On file
20 May 2013 – 29 May 2013Human Drugs483On file
12 Dec 2011Not recordedClean
28 Jun 2011Not recordedClean
11 Feb 2011Not recorded483On file
7 Nov 2008Not recorded483On file

Observations on record

Form 483 observations cited at this site, most recent first.

2 May 2024
21 CFR 211.113(b)

Procedures for sterile drug products

Cited by Mindy M Chou, Annet R Rajan, Janet A Rajan

2 May 2024
21 CFR 211.192

Investigations of discrepancies, failures

Cited by Mindy M Chou, Annet R Rajan, Janet A Rajan

2 May 2024
21 CFR 211.84(d)(2)

Reports of Analysis (Components)

Cited by Mindy M Chou, Annet R Rajan, Janet A Rajan

31 Mar 2017
21 CFR 211.192

Investigations of discrepancies, failures

Cited by Jonathan W Chapman, Stacie A Woods

31 Mar 2017
21 CFR 211.22(d)

Procedures not in writing, fully followed

Cited by Jonathan W Chapman, Stacie A Woods

Investigators

FDA investigators tied to this site in the record.

Recurring citations

CFR citation patterns observed across this site's inspections.

CitationWhat it coversCited
21 CFR 211.192Cited across public-safe Form 483 observations2x
21 CFR 211.113(b)Cited across public-safe Form 483 observations1x
21 CFR 211.22(d)Cited across public-safe Form 483 observations1x
21 CFR 211.25(a)Cited across public-safe Form 483 observations1x
21 CFR 211.68(b)Cited across public-safe Form 483 observations1x
21 CFR 211.84(d)(2)Cited across public-safe Form 483 observations1x

Full site report

Get the verbatim findings behind United Therapeutics Corporation's 6 Form 483s

Source PDFs, verbatim observations, and recurring CFR citations, so your team knows what this site gets cited for.

  • The site's full inspection history, with every Form 483 and its outcome
  • Warning letters and recalls tied to the company behind it
  • Whether recurring CFR citations get closed out or repeat