- April 2024 List of Certified Laboratories and IITFs (PDF | 178 KB)
- April 2024 Certified Lab Listing by State (PDF | 160 KB)
- March 2024 List of Certified Laboratories and IITFs (PDF | 180 KB)
- March 2024 Certified Lab Listing by State (PDF | 153 KB)
- February 2024 List of Certified Laboratories and IITFs (PDF | 182 KB)
- February 2024 Certified Lab Listing by State (PDF | 116 KB)
- January 2024 List of Certified Laboratories and IITFs (PDF | 180 KB)
- January 2024 Certified Lab Listing by State (PDF | 124 KB)
- December 2023 List of Certified Laboratories and IITFs (PDF | 189 KB)
- December 2023 Certified Lab Listing by State (PDF | 117 KB)
- November 2023 List of Certified Laboratories and IITFs (PDF | 183 KB)
- November 2023 Certified Lab Listing by State (PDF | 116 KB)
- October 2023 List of Certified Laboratories and IITFs (PDF | 200 KB)
- October 2023 Certified Lab Listing by State (PDF | 116 KB)
- September 2023 List of Certified Laboratories and IITFs (PDF | 194 KB)
- September 2023 Certified Lab Listing by State (PDF | 116 KB)
- August 2023 List of Certified Laboratories and IITFs (PDF | 196 KB)
- August 2023 Certified Lab Listing by State (PDF | 116 KB)
- July 2023 List of Certified Laboratories and IITFs (PDF | 175 KB)
- July 2023 Certified Lab Listing by State (PDF | 116 KB)
- June 2023 List of Certified Laboratories and IITFs (PDF | 176 KB)
- June 2023 Certified Lab Listing by State (PDF | 155 KB)
- May 2023 List of Certified Laboratories and IITFs (PDF | 175 KB)
- May 2023 Certified Lab Listing by State (PDF | 116 KB)
- April 2023 List of Certified Laboratories and IITFs (PDF | 175 KB)
- April 2023 Certified Lab Listing by State (PDF | 112 KB)
- March 2023 List of Certified Laboratories and IITFs (PDF | 175 KB)
- March 2023 Certified Lab Listing by State (PDF | 153 KB)
- February 2023 List of Certified Laboratories and IITFs (PDF | 180 KB)
- February 2023 Certified Lab Listing by State (PDF | 153 KB)
- January 2023 List of Certified Laboratories and IITFs (PDF | 210 KB)
- January 2023 Certified Lab Listing by State (PDF | 164 KB)
- December 2022 List of Certified Laboratories and IITFs (PDF | 210 KB)
- December 2022 Certified Lab Listing by State (PDF | 157 KB)
- November 2022 List of Certified Laboratories and IITFs (PDF | 200 KB)
- November 2022 Certified Lab Listing by State (PDF | 152 KB)
- October 2022 List of Certified Laboratories and IITFs (PDF | 196 KB)
- October 2022 Certified Lab Listing by State (PDF | 112 KB)
Page title
Certified Laboratory List
Page title
Certified Laboratory List
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Find HHS-certified laboratories who may conduct drug testing for federal agencies and specific federally regulated industries.
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