T24.409S Guidelines & Instructional Notes: Corros unsp deg of unsp site unsp low limb, ex ank/ft, sqla

Instruction Source: T24.409S

Corros unsp deg of unsp site unsp low limb, ex ank/ft, sqla

Instruction Source: T24.409

Corrosion of unspecified degree of unspecified site of unspecified lower limb, except ankle and foot

Instruction Source: T24.40

Corrosion of unspecified degree of unspecified site of lower limb, except ankle and foot

Instruction Source: T24.4

Corrosion of unspecified degree of lower limb, except ankle and foot

Instruction Source: T24

Burn and corrosion of lower limb, except ankle and foot

Excludes 2 (Not Included Here)

Instruction Source: T20-T25

Burns and corrosions of external body surface, specified by site (T20-T25)

burns and corrosions of first degree [erythema]
burns and corrosions of second degree [blisters][epidermal loss]
burns and corrosions of third degree [deep necrosis of underlying tissue] [full- thickness skin loss]

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