ICD-10-CM > S00-T88 > T51-T65 > T59 > T59.4 > T59.4X > T59.4X1 > T59.4X1A T59.4X1A Toxic effect of chlorine gas, accidental (unintentional), initial encounter Billable/Specific Copy Code Copy Description Applicable To Toxic effect of chlorine gas NOS