Specimen Collection & Testing At OHC, we offer a variety of collection and testing services. Alcohol TestingAlco-Sensor IV Breath AnalyzerDrug TestingDHHS-Certified Forensic LaboratoriesOn-site Methodologies Providing Rapid Turn-AroundChain-of-Custody Specimen CollectionFor employers with an existing laboratory arrangement but that require local specimen collection and dispatch Private Individuals Welcome! We offer Confidential Testing for Family Guidance