
Chronic ulcer of skin

Decubitus ulcer
- ulceration caused by prolonged pressure in patients permitted to lie too still for a long period of time; bony prominences of the body are the most frequently affected sites; ulcer is caused by ischemia of the underlying structures of the skin, fat, and muscles as a result of the sustained and constant pressure.
- Death of tissue due to external pressure.

Decubitus ulcer, unspecified site
- ulceration caused by prolonged pressure in patients permitted to lie too still for a long period of time; bony prominences of the body are the most frequently affected sites; ulcer is caused by ischemia of the underlying structures of the skin, fat, and muscles as a result of the sustained and constant pressure.
- Death of tissue due to external pressure.

Decubitus ulcer, elbow

Decubitus ulcer, upper back

Decubitus ulcer, lower back

Decubitus ulcer, hip

Decubitus ulcer, buttock

Decubitus ulcer, ankle

Decubitus ulcer, heel

Decubitus ulcer, other site

Ulcer of lower limb except decubitus

Unspecified ulcer of lower limb

Ulcer of thigh

Ulcer of calf

Ulcer of ankle

Ulcer of heel and midfoot

Ulcer of other part of foot

Ulcer of other part of lower limb

Chronic ulcer of other specified sites

Chronic ulcer of unspecified site
- lesion on the surface of the skin produced by the sloughing of inflammatory necrotic tissue.