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ICD-10 Code L89.604: Pressure ulcer of unspecified heel, stage 4

L89.604 is a billable ICD-10 diagnosis code used to classify Pressure ulcer of unspecified heel, stage 4 in medical records and claims. You may see this code in hospital records, discharge summaries, insurance claims, encounter documentation, referrals, or other healthcare billing and coding records. ICD-10 codes are diagnosis classification codes used in healthcare records, reporting, coding workflows, and billing support. This code sits within the broader ICD-10 area for Diseases of the skin and subcutaneous tissue (L00-L99).

What is this code?

ICD-10 codes are diagnosis classification codes used in healthcare records, reporting, coding workflows, and billing support. This code sits within the broader ICD-10 area for Diseases of the skin and subcutaneous tissue (L00-L99).

When is it used?

  • May be used when a clinician documents pressure ulcer of unspecified heel, stage 4 in a patient's medical record.
  • May appear in hospital records, claims, referrals, and clinical documentation.
  • This code can be used as a clinically usable diagnosis entry in standardized coding workflows.

What it does not mean

  • A code alone does not explain severity, treatment plan, or outcome.
  • A medical code should not be treated as a substitute for a doctor's diagnosis or advice.

Code hierarchy

chapter
12Diseases of the skin and subcutaneous tissue (L00-L99)
block
L80-L99Other disorders of the skin and subcutaneous tissue
category
L89Pressure ulcer
category
L89.6Pressure ulcer of heel
category
L89.60Pressure ulcer of unspecified heel
currentL89.60

Official coding notes

Inclusion terms
  • Healing pressure ulcer of unspecified heel, stage 4
  • Pressure ulcer with necrosis of soft tissues through to underlying muscle, tendon, or bone, unspecified heel

Where you may see this code

You may see this code in hospital records, discharge summaries, insurance claims, encounter documentation, referrals, or other healthcare billing and coding records.

Related specialists

Dermatologist

Coding guidelines

Common synonyms

Pressure ulcer of unspecified heel, stage 4Pressure ulcer of heel, stage 4

Frequently asked questions

Code details

CodeL89.604
SystemICD10
Display namePressure ulcer of unspecified heel, stage 4
ChapterDiseases of the skin and subcutaneous tissue (L00-L99)
BlockOther disorders of the skin and subcutaneous tissue

Flags

BillableYes
Valid clinical useYes

Source

SourceICD-10
Version2026-annual
Releaseannual
Year2026

About this content

This page is prepared by HealthAssure's clinical team using official coding standards from ICD-10. AI tools assist with drafting explanations, which are then reviewed and verified by healthcare professionals for accuracy. This content is for informational purposes and does not replace professional medical advice. Meet our team.