To prevent specimen adulteration, laboratories have instituted adulterant testing. Reagents for such use are available through companies such as Sciteck Diagnostics, Inc., and Axiom Diagnostics, Inc. Tests for pH, specific gravity, creatinine, glutaraldehyde, and various oxidants are available. However, not all the laboratories test for all the parameters routinely. Moreover, additional
Department of Transportation (DOT) and Substance Abuse and Mental Health Services Administration (SAMHSA) Validation Criteria
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