When is ICD-10 code L89.109 used?

Doctors, hospitals, and insurers may use ICD-10 code L89.109 when recording pressure ulcer of unspecified part of back, unspecified stage in a standardized format.

Does ICD-10 code L89.109 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 L89.109: Pressure ulcer of unspecified part of back, unspecified stage

Name: ICD-10 Code L89.109: Pressure ulcer of unspecified part of back, unspecified stage
Creator: HealthAssure Clinical Team
Published: 2026-05-21T06:16:54.552Z

L89.109 is a billable ICD-10 diagnosis code used to classify Pressure ulcer of unspecified part of back, 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 part of back, 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 part of back NOS
Healing pressure ulcer of unspecified part of back, 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

L89.100Pressure ulcer of unspecified part of back, unstageablebillable L89.101Pressure ulcer of unspecified part of back, stage 1billable L89.102Pressure ulcer of unspecified part of back, stage 2billable L89.103Pressure ulcer of unspecified part of back, stage 3billable L89.104Pressure ulcer of unspecified part of back, stage 4billable L89.106Pressure-induced deep tissue damage of unspecified part of backbillable

Coding guidelines

Common synonyms

Pressure ulcer of unspecified part of back, unspecified stagePressure ulcer of unspecified part of back

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.