Gambling disorder Is an addiction similar to substance use disorders. In addition to causing financial and legal problems, also correlated with an increase in suicide attempts, substance use disorders and other behavior health conditions. Gas chromatography/mass spectrometry The chemical process where a drug in urine is positively identified and quantified. Inactive duty USAR duty status not on active duty, includes Inactive Duty Training (IDT). Initial test A screening test to identify those specimens that are negative for the presence of drugs of their metabolites. When negative, these specimens need no further examination and need not undergo a more costly confirmation test.