Includes: toxic effects of fumes and vapors of metals toxic effects of metals from all sources, except medicinal substances Use additional code to identify any retained metal foreign body, if applicable (Z18.0-, T18.1-) Excludes1: arsenic and its compounds (T57.0) manganese and its compounds (T57.2) The appropriate 7th character is to be added to each code from category T56 A - initial encounter D - subsequent encounter S - sequela
