Find HHS-certified laboratories from past years who may conduct drug testing for federal agencies and specific federally regulated industries. Archived Lab Lists (by Laboratory) for 2018 December 2018 Certified Laboratories and IITFs (PDF | 173 KB) December 2018 Certified Lab Listing by State (PDF | 59 KB) November 2018 Certified Laboratories and IITFs (PDF | 174 KB) November 2018 Certified Lab Listing by State (PDF | 59 KB) October 2018 Certified Laboratories and IITFs (PDF | 81 KB) October 2018 Certified Lab Listing by State (PDF | 57 KB) September 2018 Certified Laboratories and IITFs (PDF | 81 KB) September 2018 Certified Lab Listing by State (PDF | 57 KB) August 2018 Certified Laboratories and IITFs (PDF | 190 KB) August 2018 Certified Lab Listing by State (PDF | 202 KB) July 2018 Certified Laboratories and IITFs (PDF | 173 KB) July 2018 Certified Lab Listing by State (PDF | 202 KB) June 2018 Certified Laboratories and IITFs (PDF | 173 KB) June 2018 Certified Lab Listing by State (PDF | 202 KB) May 2018 Certified Laboratories and IITFs (PDF | 190 KB) May 2018 Certified Lab Listing by State (PDF | 202 KB) April 2018 Certified Laboratories and IITFs (PDF | 190 KB) April 2018 Certified Lab Listing by State (PDF | 202 KB) March 2018 Certified Laboratories and IITFs (PDF | 190 KB) March 2018 Certified Lab Listing by State (PDF | 126 KB) February 2018 Certified Laboratories and IITFs (PDF | 190 KB) February 2018 Certified Lab Listing by State (PDF | 126 KB) January 2018 Certified Laboratories and IITFs (PDF | 189 KB) January 2018 Certified Lab Listing by State (PDF | 126 KB) Archived Lab Lists (by Laboratory) for 2017 December 2017 Certified Laboratories and IITFs (PDF | 214 KB) December 2017 Certified Lab Listing by State (PDF | 126 KB) November 2017 Certified Lab Listing by Laboratory (PDF | 188 KB) November 2017 Certified Lab Listing by State (PDF | 126 KB) October 2017 Certified Lab Listing by Laboratory (PDF | 188 KB) October 2017 Certified Lab Listing by State (PDF | 20 KB) September 2017 Certified Lab Listing by Laboratory (PDF | 191 KB) September 2017 Certified Lab Listing by State (PDF | 50 KB) August 2017 (PDF | 196 KB) July 2017 (PDF | 210 KB) June 2017 (PDF | 210 KB) May 2017 (PDF | 214 KB) April 2017 (PDF | 171 KB) March 2017 (PDF | 179 KB) February 2017 (PDF | 172 KB) January 2017 (PDF | 193 KB) Archived Lab Lists (by Laboratory) for 2016 December 2016 (PDF | 147 KB) November 2016 (PDF | 174 KB) October 2016 (PDF | 178 KB) September 2016 (PDF | 194 KB) August 2016 (PDF | 192 KB) July 2016 (PDF | 173 KB) June 2016 (PDF | 172 KB) May 2016 (PDF | 174 KB) April 2016 (PDF | 179 KB) March 2016 (PDF | 173 KB) February 2016 (PDF | 172 KB) January 2016 (PDF | 173 KB) Archived Lab Lists (by Laboratory) for 2015 December 2015 (PDF | 178 KB) November 2015 (PDF | 193 KB) October 2015 (PDF | 252 KB) September 2015 (PDF | 249 KB) August 2015 (PDF | 372 KB) July 2015 (PDF | 252 KB) June 2015 (PDF | 244 KB) May 2015 (PDF | 234 KB) April 2015 (PDF | 381 KB) March 2015 (PDF | 196 KB) February 2015 (PDF | 195 KB) January 2015 (PDF | 190 KB) Archived Lab Lists (by Laboratory) for 2014 December 2014 (PDF | 176 KB) November 2014 (PDF | 202 KB) October 2014 (PDF | 178 KB) September 2014 (PDF | 176 KB) August 2014 (PDF | 183 KB) July 2014 (PDF | 202 KB) June 2014 (PDF | 199 KB) May 2014 (PDF | 176 KB) April 2014 (PDF | 177 KB) March 2014 (PDF | 184 KB) February 2014 (PDF | 196 KB) January 2014 (PDF | 196 KB) See current Lab lists. View lab lists for years prior to 2014.