1. ICD.Codes
2. ICD-10-CM (2016)
3. Chapter 19
4. Section T66-T78

ICD-10-CM Section T66-T78
Other and unspecified effects of external causes

Coding Notes for Section T66-T78

Section 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

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.

Additional Code Note:

Use Additional Code

Use Additional Code note means a second code must be used in conjunction with this code. Codes with this note are Etiology codes and must be followed by a Manifestation code or codes.

Code to identify any retained foreign body, if applicable See code Z18.-

Section Type-1 Excludes:

Type-1 Excludes

Type-1 Excludes mean the conditions excluded are mutually exclusive and should never be coded together. Excludes 1 means "do not code here."

Birth trauma - instead, use Section P10-P15

Obstetric trauma - instead, use Section O70-O71