T59.4X3S - Toxic effect of chlorine gas, assault, sequela
ICD-10-CM Chapter 19: Injury, poisoning and certain other consequences of external causes · T51-T65 Toxic effects of substances chiefly nonmedicinal as to source (T51-T65) · Subcategory of T59.4X3 · FY2027
7th character S: sequela
Coding Guidance
7th character S: sequela.
Includes, Excludes and Coding Notes
Conditions this code covers.
- aerosol propellants
Mutually exclusive: these conditions are never reported together with this code.
- chlorofluorocarbons (T53.5)
Mutually exclusive: these conditions are never reported together with this code.
- contact with and (suspected) exposure to toxic substances (Z77.-)
Add a secondary code to identify the associated condition or cause when it is documented.
- code(s):
- for all associated manifestations of toxic effect, such as: respiratory conditions due to external agents (J60-J70)
- personal history of foreign body fully removed (Z87.821)
- to identify any retained foreign body, if applicable (Z18.-)
Instructional notes from the ICD-10-CM tabular list.
- 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.
Not part of this code; report both codes when the patient has both conditions.
- birth trauma (P10-P15)
- obstetric trauma (O70-O71)
Add a secondary code to identify the associated condition or cause when it is documented.
- code to identify any retained foreign body, if applicable (Z18.-)
Instructional notes from the ICD-10-CM tabular list.
- 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
- The chapter uses the S-section for coding different types of injuries related to single body regions and the T-section to cover injuries to unspecified body regions as well as poisoning and certain other consequences of external causes.
Related condition guides
Documentation requirements, coding pitfalls and FAQs for conditions coded with T59.4X3S.
Codes at the same level as T59.4X3S