In LOINC v 2.27, the panel:
54454-4 # Arsenic fractionated panel:-:Pt:Urine:Qn
that is composed by:
53778-7 # Arsenic.organic:MCnc:Pt:Urine:Qn
53779-5 # Arsenic.methylated:MCnc:Pt:Urine:Qn
12481-8 # Arsenic.inorganic:MCnc:Pt:Urine:Qn
is placed in the class PANEL.CHEM.
Should not it be in the class PANEL.DRUG/TOX?
Thank you for bringing this to our attention. We will correct this in the next release.