T31.43 Guidelines & Instructional Notes: Burns involving 40-49% of body surface with 30-39% third degree burns

Instruction Source: T31.43

Burns involving 40-49% of body surface with 30-39% third degree burns

Instruction Source: T31.4

Burns involving 40-49% of body surface

Instruction Source: T31

Burns classified according to extent of body surface involved

This category is to be used as the primary code only when the site of the burn is unspecified. It should be used as a supplementary code with categories T20-T25 when the site is specified.

Instruction Source: T30-T32

Burns and corrosions of multiple and unspecified body regions (T30-T32)

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