T65.91XA Toxic effect of unsp substance, accidental, init

Instructional Notes:

T65.91XA
Description: Toxic effect of unsp substance, accidental, init
↓
T65.91
Description: Toxic effect of unspecified substance, accidental (unintentional)
Inclusion Term:
- Poisoning NOS
↓
T65.9
Description: Toxic effect of unspecified substance
↓
T65
Description: Toxic effect of other and unspecified substances
↓
T51-T65
Description: Toxic effects of substances chiefly nonmedicinal as to source (T51-T65)
Exclude1:
- contact with and (suspected) exposure to toxic substances (Z77.-)
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.
Use Additional Code:
- 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.-)
↓
S00-T88
Description: Injury, poisoning and certain other consequences of external causes
Exclude2:
- birth trauma (P10-P15)
- obstetric trauma (O70-O71)
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
Use Additional Code:
- code to identify any retained foreign body, if applicable (Z18.-)