T58.94XA Toxic effect of carb monx from unsp source, undet, init
Instructional Notes:
T58.94XA Description: Toxic effect of carb monx from unsp source, undet, init ↓
T58.94 Description: Toxic effect of carbon monoxide from unspecified source, undetermined ↓
T58.9 Description: Toxic effect of carbon monoxide from unspecified source ↓
T58 Description: Toxic effect of carbon monoxide Include:
asphyxiation from carbon monoxide
toxic effect of carbon monoxide from all sources
↓
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.-)