T28.919A Guidelines & Instructional Notes: Corrosions of unspecified ear drum, initial encounter

Instruction Source: T28.919A

Corrosions of unspecified ear drum, initial encounter

Instruction Source: T28.919

Corrosions of unspecified ear drum

Instruction Source: T28.91

Corrosions of ear drum

Instruction Source: T28.9

Corrosions of other and unspecified internal organs

Instruction Source: T28

Burn and corrosion of other internal organs

Instruction Source: T26-T28

Burns and corrosions confined to eye and internal organs (T26-T28)

Instruction Source: S00-T88

Injury, poisoning and certain other consequences of external causes

Excludes 2 (Not Included Here)

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