label: Prescription drug monitoring panel of 31 drugs in urine using liquid chromatography-tandem mass spectrometry (LC-MS/MS), reported as quantitative results, detected or not detected, per date of service
label_lc: prescription drug monitoring panel of 31 drugs in urine using liquid chromatography-tandem mass spectrometry (lc-ms/ms), reported as quantitative results, detected or not detected, per date of service