Find HHS-certified laboratories who may conduct drug testing for federal agencies and specific federally regulated industries.
Current Laboratory Lists
- January 2021 List of Certified Laboratories and IITFs (PDF | 249 KB)
- January 2021 Certified Lab Listing by State (PDF | 423 KB)
- December 2020 List of Certified Laboratories and IITFs (PDF | 241 KB)
- December 2020 Certified Lab Listing by State (PDF | 107 KB)
- November 2020 List of Certified Laboratories and IITFs (PDF | 222 KB)
- November 2020 Certified Lab Listing by State (PDF | 107 KB)
- October 2020 List of Certified Laboratories and IITFs (PDF | 249 KB)
- October 2020 Certified Lab Listing by State (PDF | 423 KB)
- September 2020 List of Certified Laboratories and IITFs (PDF | 225 KB)
- September 2020 Certified Lab Listing by State (PDF | 107 KB)
- August 2020 List of Certified Laboratories and IITFs (PDF | 236 KB)
- August 2020 Certified Lab Listing by State (PDF | 85 KB)
- July 2020 List of Certified Laboratories and IITFs (PDF | 232 KB)
- July 2020 Certified Lab Listing by State (PDF | 85 KB)
- June 2020 List of Certified Laboratories and IITFs (PDF | 237 KB)
- June 2020 Certified Lab Listing by State (PDF | 85 KB)
- May 2020 List of Certified Laboratories and IITFs (PDF | 237 KB)
- May 2020 Certified Lab Listing by State (PDF | 420 KB)
- April 2020 List of Certified Laboratories and IITFs (PDF | 242 KB)
- April 2020 Certified Lab Listing by State (PDF | 420 KB)
- March 2020 List of Certified Laboratories and IITFs (PDF | 272 KB)
- March 2020 Certified Lab Listing by State (PDF | 422 KB)
- February 2020 List of Certified Laboratories and IITFs (PDF | 250 KB)
- February 2020 Certified Lab Listing by State (PDF | 422 KB)
- January 2020 List of Certified Laboratories and IITFs (PDF | 249 KB)
- January 2020 Certified Lab Listing by State (PDF | 353 KB)
Archived Lab Lists (by Laboratory) for 2019
- December 2019 List of Certified Laboratories and IITFs (PDF | 274 KB)
- December 2019 Certified Lab Listing by State (PDF | 201 KB)
- November 2019 List of Certified Laboratories and IITFs (PDF | 276 KB)
- November 2019 Certified Lab Listing by State (PDF | 201 KB)
- October 2019 Certified Laboratories and IITFs (PDF | 77 KB)
- Updates to October 2019 Certified Laboratories and IITFs (PDF | 282 KB)
- October 2019 Certified Lab Listing by State (PDF | 202 KB)
- September 2019 Certified Laboratories and IITFs (PDF | 824 KB)
- September 2019 Certified Lab Listing by State (PDF | 202 KB)
- August 2019 Certified Laboratories and IITFs (PDF | 284 KB)
- August 2019 Certified Lab Listing by State (PDF | 57 KB)
- July 2019 Certified Laboratories and IITFs (PDF | 288 KB)
- July 2019 Certified Lab Listing by State (PDF | 202 KB)
- June 2019 Certified Laboratories and IITFs (PDF | 172 KB)
- June 2019 Certified Lab Listing by State (PDF | 201 KB)
- May 2019 Certified Laboratories and IITFs (PDF | 227 KB)
- May 2019 Certified Lab Listing by State (PDF | 58 KB)
- April 2019 Certified Laboratories and IITFs (PDF | 204 KB)
- April 2019 Certified Lab Listing by State (PDF | 60 KB)
- March 2019 Certified Laboratories and IITFs (PDF | 202 KB)
- March 2019 Certified Lab Listing by State (PDF | 60 KB)
- February 2019 Certified Laboratories and IITFs (PDF | 171 KB)
- February 2019 Certified Lab Listing by State (PDF | 203 KB)
View archived lab lists.
View lab lists for years prior to 2014.