The American Society of Crime Laboratory Directors/Laboratory Accreditation Board (ASCLD/LAB) is a not for profit corporation, incorporated in the state of Missouri. ASCLD/LAB is proud to be recognized as an ISO/IEC 17011 compliant accrediting body in the field of forensic science by the Inter American Accreditation Cooperation (IAAC) since September 2008 and by the International Laboratory Accreditation Cooperation (ILAC) since April 2009. ASCLD/LAB is a signatory to both the IAAC Multi-lateral Recognition Arrangement and the ILAC Mutual Recognition Arrangement.

ASCLD/LAB offers voluntary accreditation to public and private crime laboratories in the United States and around the world. Accreditation is offered in the forensic disciplines for which services are generally provided by forensic laboratories.

ASCLD/LAB was originally created as a committee of its mother organization, the American Society of Crime Laboratory Directors (ASCLD) in 1981. In 1984, ASCLD/LAB became a separate corporate entity with its own Board of Directors that is elected by a Delegate Assembly composed of the directors of accredited laboratories and laboratory systems.