Block in Chapter 19
T66–T78
Other and unspecified effects of external causes
Use additional code
Add the listed code as a secondary code, if known.
Also from chapter/block level (1 note)
Inherited from Chapter 19 Injury, poisoning and certain other consequences of external causes
- code to identify any retained foreign body, if applicable (Z18.-)
Code also
Two codes may be needed to describe the condition. This note gives no sequencing order.
This page
- , if applicable, place of occurrence, such as:
- highway rest stop (Y92.523)
- school (private) (public) (state) as the place of occurrence of the external cause (Y92.21-)
- service areas as the place of occurrence of the external cause (Y92.52-)
- single-family non-institutional (private) house as the place of occurrence of the external cause (Y92.01-)
- transport vehicle as the place of occurrence of the external cause (Y92.81-)
Excludes2
Not included here. Both codes may be reported if the patient has both conditions.
Also from chapter/block level (2 notes)
Inherited from Chapter 19 Injury, poisoning and certain other consequences of external causes
- birth trauma (P10-P15)
- obstetric trauma (O70-O71)
Notes
Also from chapter/block level (2 notes)
Inherited from Chapter 19 Injury, poisoning and certain other consequences of external causes
- 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.
Categories in this block 11
- T66Radiation sickness, unspecified
- T67Effects of heat and light
- T68Hypothermia
- T69Other effects of reduced temperature
- T70Effects of air pressure and water pressure
- T71Asphyxiation
- T73Effects of other deprivation
- T74Adult and child abuse, neglect and other maltreatment, confirmed
- T75Other and unspecified effects of other external causes
- T76Adult and child abuse, neglect and other maltreatment, suspected
- T78Adverse effects, not elsewhere classified