2026 ICD-10-CM Diagnosis Code L89.326Pressure-induced deep tissue damage of left buttock

ICD-10-CM Codes›L00–L99›L80-L99›L89

ICD-10-CM L89.326
CMSSource: CMS FY 2026 ICD-10-CM dataset · Effective Oct 1, 2025 – Sep 30, 2026

L89.326 is a billable ICD-10-CM diagnosis code for pressure-induced deep tissue damage of left buttock. It is valid on HIPAA claims for fiscal year 2026 (October 1, 2025 through September 30, 2026) and groups to MS-DRG 573 through 575, 592 through 594. Coders also document this condition as pressure injury of deep tissue of left buttock. In AHRQ's Clinical Classifications Software (CCSR), this diagnosis falls under Pressure ulcer of skin.

Code Identity

ICD-10-CM Code
L89.326
Billable Status
Yes — Valid for Submission
Code Describes
Pressure-induced deep tissue damage of left buttock
Short Description
Pressure-induced deep tissue damage of left buttock
Same as the full description in the CMS dataset.
Parent Code
L89.32
Pressure ulcer of left buttock

Code Classification

ChapterL00–L99Diseases of the skin and subcutaneous tissue
SectionL80-L99Other disorders of the skin and subcutaneous tissue
CategoryL89Pressure ulcer
This CodeL89.326Pressure-induced deep tissue damage of left buttock

Approximate SynonymsGuidance

Alternate terms and clinical phrases that map to this code.

  • Pressure injury of deep tissue of left buttock
  • Pressure injury of left buttock

Clinical ClassificationClinical

AHRQ’s CCSR groups this code into broader clinical categories.

CCSR SKN003
Pressure ulcer of skin
Default principal diagnosis: inpatient Yes · outpatient Yes

Patient EducationClinical

Pressure Sores

Pressure sores are areas of damaged skin caused by staying in one position for too long. They commonly form where your bones are close to your skin, such as your ankles, back, elbows, heels and hips. You are at risk if you are bedridden, use a wheelchair, or are unable to change your position.

Read the full article at MedlinePlus

Courtesy of MedlinePlus, a service of the U.S. National Library of Medicine.

Code History & ChangesHistory

Replacement L89.326 replaces the following previously assigned code(s):

  • L89.320 - Pressure ulcer of left buttock, unstageable
FY 2020AddedAdded to the ICD-10-CM code setEffective October 1, 2019.
FY 2021–2025No changes
FY 2026CurrentCurrent code set, no changesEffective October 1, 2025 through September 30, 2026.

Questions About L89.326Overview

Is L89.326 (Pressure ulcer of left buttock) a billable code?

Yes. This is a billable ICD-10-CM code, specific enough to report pressure-induced deep tissue damage of left buttock on HIPAA-covered claims from October 1, 2025 through September 30, 2026.

What MS-DRG does L89.326 group to?

When pressure-induced deep tissue damage of left buttock is the principal diagnosis on an inpatient stay, it groups to MS-DRG 573, 574, 575, 592, 593, 594, with relative weights from 0.8668 to 6.5514 depending on complications. Higher weights mean higher Medicare reimbursement.

Footnotes

[1] Chronic - a chronic condition code indicates a condition lasting 12 months or longer and its effect on the patient based on one or both of the following criteria:

  • The condition results in the need for ongoing intervention with medical products,treatment, services, and special equipment
  • The condition places limitations on self-care, independent living, and social interactions.