Instruction Source: T59.4X1A
Toxic effect of chlorine gas, accidental, init
Instruction Source: T59.4X1
Toxic effect of chlorine gas, accidental (unintentional)
Instruction Source: T59.4X
Toxic effect of chlorine gas
Instruction Source: T59.4
Toxic effect of chlorine gas
Instruction Source: T59
Toxic effect of other gases, fumes and vapors
Excludes 1 (Mutually Exclusive)
- chlorofluorocarbons (T53.5)
Instruction Source: T51-T65
Toxic effects of substances chiefly nonmedicinal as to source (T51-T65)
Excludes 1 (Mutually Exclusive)
- contact with and (suspected) exposure to toxic substances (Z77.-)
Clinical Notes
- When no intent is indicated code to accidental. Undetermined intent is only for use when there is specific documentation in the record that the intent of the toxic effect cannot be determined.
Instruction Source: S00-T88
Injury, poisoning and certain other consequences of external causes
Excludes 2 (Not Included Here)
- birth trauma (P10-P15)
- obstetric trauma (O70-O71)
Clinical Notes
- Use secondary code(s) from Chapter 20, External causes of morbidity, to indicate cause of injury. Codes within the T section that include the external cause do not require an additional external cause code