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Certified Laboratory List
A laboratory/IITF that is interested in becoming HHS-certified and performing regulated drug testing under the NLCP is required to submit an application. For information concerning the NLCP application process please contact the National Laboratory Certification Program (NLCP) at (919) 541-7242 or email NLCP@rti.org.
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Find HHS-certified laboratories who may conduct drug testing for federal agencies and specific federally regulated industries.
- February 2026 List of Certified Laboratories and IITFs (PDF | 189 KB)
- February 2026 Certified Lab Listing by Location (PDF | 160 KB)
- January 2026 List of Certified Laboratories and IITFs (PDF | 213 KB)
- January 2026 Certified Lab Listing by Location (PDF | 162 KB)
- December 2025 List of Certified Laboratories and IITFs (PDF | 159 KB)
- December 2025 Certified Lab Listing by State (PDF | 188 KB)
- November 2025 List of Certified Laboratories and IITFs (PDF | 207 KB)
- November 2025 Certified Lab Listing by State (PDF | 155 KB)
- October 2025 List of Certified Laboratories and IITFs (PDF | 189 KB)
- October 2025 Certified Lab Listing by State (PDF | 158 KB)
- September 2025 List of Certified Laboratories and IITFs (PDF | 297 KB)
- September 2025 Certified Lab Listing by State (PDF | 154 KB)
- August 2025 List of Certified Laboratories and IITFs (PDF | 187 KB)
- August 2025 Certified Lab Listing by State (PDF | 157 KB)
- July 2025 List of Certified Laboratories and IITFs (PDF | 192 KB)
- July 2025 Certified Lab Listing by State (PDF | 159 KB)
- June 2025 List of Certified Laboratories and IITFs (PDF | 193 KB)
- June 2025 Certified Lab Listing by State (PDF | 158 KB)
- May 2025 List of Certified Laboratories and IITFs (PDF | 192 KB)
- May 2025 Certified Lab Listing by State (PDF | 160 KB)
- April 2025 List of Certified Laboratories and IITFs (PDF | 209 KB)
- April 2025 Certified Lab Listing by State (PDF | 161 KB)
- March 2025 List of Certified Laboratories and IITFs (PDF | 181 KB)
- March 2025 Certified Lab Listing by State (PDF | 155 KB)
- February 2025 List of Certified Laboratories and IITFs (PDF | 182 KB)
- February 2025 Certified Lab Listing by State (PDF | 170 KB)
- January 2025 List of Certified Laboratories and IITFs (PDF | 219 KB)
- January 2025 Certified Lab Listing by State (PDF | 161 KB)
Last Updated
Last Updated: 02/05/2026