EH90.0

ICD-11 MMS 2026-01

Pressure ulceration grade 1

Description

Pressure ulceration grade I is a precursor to skin ulceration. The skin remains intact but there is non-blanchable redness of a localised area, usually over a bony prominence. The area may be painful, firm, soft, warmer or cooler as compared to adjacent tissue. It can be difficult to detect in individuals with dark skin but affected areas may differ in colour from the surrounding skin. The presence of pressure ulceration grade 1 may indicate persons at risk of progressing to frank ulceration.

Index terms

  • Pressure ulceration grade 1
  • bedsore stage 1
  • decubitus ulcer grade I
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  • pressure injury stage 1
  • pressure injury stage 1 with nonblanchable erythema
  • pressure sore grade 1
  • pressure ulcer category 1
  • stage 1 pressure ulcer
  • stage I pressure injury
  • Pressure ulceration grade 1 of head
  • stage 1 decubitus ulcer of head
  • Pressure ulceration grade 1 of upper limb
  • stage 1 decubitus ulcer of upper limb
  • Pressure ulceration grade 1 of spinous processes
  • stage 1 decubitus ulcer of spinous processes
  • Pressure ulceration grade 1 of iliac crest
  • stage 1 decubitus ulcer of iliac crest
  • Pressure ulceration grade 1 of sacrum
  • stage 1 decubitus ulcer of sacrum
  • Pressure ulceration grade 1 of ischium
  • stage 1 decubitus ulcer of ischium
  • Pressure ulceration grade 1 of lower limb
  • stage 1 decubitus ulcer of other sites of lower limb
  • Pressure ulceration grade 1 of trochanter
  • stage 1 decubitus ulcer of trochanter
  • Pressure ulceration grade 1 of heel
  • stage 1 decubitus ulcer of heel
  • Pressure ulceration grade 1 of toe
  • Pressure ulceration grade 1 of upper back
  • Pressure ulceration grade 1 of lower back

Inclusions

  • pressure injury stage 1 with nonblanchable erythema

Exclusions from above levels

  • GA15.1 – decubitus (trophic) ulcer of cervix (uteri)

Sibling codes

  • EH90.1 – Pressure ulceration grade 2
  • EH90.2 – Pressure ulceration grade 3
  • EH90.3 – Pressure ulceration grade 4
  • EH90.4 – Suspected deep pressure-induced tissue damage, depth unknown
  • EH90.5 – Pressure ulceration, ungradable
  • EH90.Z – Pressure ulcer of unspecified grade

Foundation entity

Pressure ulceration grade 1 – http://id.who.int/icd/entity/380028323

Allowed postcoordination axes

Part of: EH90: Pressure ulceration › 14: Diseases of the skin