T69.1XXD Guidelines & Instructional Notes: Chilblains, subsequent encounter

Instruction Source: T69.1XXD

Chilblains, subsequent encounter

Instruction Source: T69.1

Chilblains

Instruction Source: T69

Other effects of reduced temperature

Excludes 2 (Not Included Here)

Instruction Source: T66-T78

Other and unspecified effects of external causes (T66-T78)

Instruction Source: S00-T88

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