Toxic effects of substances chiefly nonmedicinal as to source (T51-T65)
T53: Toxic effect of halogen derivatives of aliphatic and aromatic hydrocarbons

sevenChrNote
The appropriate 7th character is to be added to each code from category T53

sevenChrDef
A: initial encounter
D: subsequent encounter
S: sequela
T53.0: Toxic effects of carbon tetrachloride
T53.1: Toxic effects of chloroform
T53.2: Toxic effects of trichloroethylene
T53.3: Toxic effects of tetrachloroethylene
T53.4: Toxic effects of dichloromethane
T53.5: Toxic effects of chlorofluorocarbons
T53.6: Toxic effects of other halogen derivatives of aliphatic hydrocarbons
T53.7: Toxic effects of other halogen derivatives of aromatic hydrocarbons
T53.9: Toxic effects of unspecified halogen derivatives of aliphatic and aromatic hydrocarbons

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