What does ICD-10 code L89.90 mean?

ICD-10 code L89.90 is the standardized code used for pressure ulcer of unspecified site, unspecified stage in medical records and coding systems.

When is ICD-10 code L89.90 used?

Doctors, hospitals, and insurers may use ICD-10 code L89.90 when recording pressure ulcer of unspecified site, unspecified stage in a standardized format.

Does ICD-10 code L89.90 confirm a diagnosis?

No. A code helps standardize documentation and claims, but it should not be read as a substitute for a clinician's full assessment.

ICD10BillableValid for clinical use

ICD-10 Code L89.90: Pressure ulcer of unspecified site, unspecified stage

Name: ICD-10 Code L89.90: Pressure ulcer of unspecified site, unspecified stage
Creator: HealthAssure Clinical Team
Published: 2026-05-21T06:17:02.240Z

L89.90 is a billable ICD-10 diagnosis code used to classify Pressure ulcer of unspecified site, unspecified stage 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).

Reviewed by HealthAssure Clinical TeamUpdated 21 May 2026

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 site, unspecified stage 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

Official coding notes

Inclusion terms

Healing pressure ulcer of unspecified site NOS
Healing pressure ulcer of unspecified site, unspecified stage

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

Sibling codes

L89.91Pressure ulcer of unspecified site, stage 1billable L89.92Pressure ulcer of unspecified site, stage 2billable L89.93Pressure ulcer of unspecified site, stage 3billable L89.94Pressure ulcer of unspecified site, stage 4billable L89.95Pressure ulcer of unspecified site, unstageablebillable L89.96Pressure-induced deep tissue damage of unspecified sitebillable

Coding guidelines

Common synonyms

Pressure ulcer of unspecified site, unspecified stagePressure ulcer of unspecified site

Frequently asked questions

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.