Toxic effect of metals

**Includes:** - toxic effects of fumes and vapors of metals - toxic effects of metals from all sources, except medicinal substances

**Excludes1:** - arsenic and its compounds (T57.0) - manganese and its compounds (T57.2)

**Use additional code:** - code to identify any retained metal foreign body, if applicable (Z18.0-, T18.1-)

**7th character note:** - The appropriate 7th character is to be added to each code from category T56

**7th character:** - A: initial encounter - D: subsequent encounter - S: sequela