What does ICD-10 code L89.309 mean?

ICD-10 code L89.309 is the standardized code used for pressure ulcer of unspecified buttock, unspecified stage in medical records and coding systems.

When is ICD-10 code L89.309 used?

Doctors, hospitals, and insurers may use ICD-10 code L89.309 when recording pressure ulcer of unspecified buttock, unspecified stage in a standardized format.

Does ICD-10 code L89.309 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 L89.309: Pressure ulcer of unspecified buttock, unspecified stage

Name: ICD-10 Code L89.309: Pressure ulcer of unspecified buttock, unspecified stage
Creator: HealthAssure Clinical Team
Published: 2026-05-21T06:16:58.350Z

L89.309 is a billable ICD-10 diagnosis code used to classify Pressure ulcer of unspecified buttock, 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 buttock, 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 buttock NOS
Healing pressure ulcer of unspecified buttock, 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

L89.300Pressure ulcer of unspecified buttock, unstageablebillable L89.301Pressure ulcer of unspecified buttock, stage 1billable L89.302Pressure ulcer of unspecified buttock, stage 2billable L89.303Pressure ulcer of unspecified buttock, stage 3billable L89.304Pressure ulcer of unspecified buttock, stage 4billable L89.306Pressure-induced deep tissue damage of unspecified buttockbillable

Coding guidelines

Common synonyms

Pressure ulcer of unspecified buttock, unspecified stagePressure ulcer of unspecified buttock

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.