2026 ICD-10-CM Diagnosis Code M48.26Kissing spine, lumbar region

ICD-10-CM Codes›M00–M99›M45-M49›M48

ICD-10-CM M48.26
CMSSource: CMS FY 2026 ICD-10-CM dataset · Effective Oct 1, 2025 – Sep 30, 2026

M48.26 is a billable ICD-10-CM diagnosis code for kissing spine, lumbar region. It is valid on HIPAA claims for fiscal year 2026 (October 1, 2025 through September 30, 2026) and groups to MS-DRG 551 through 552. Coders also document this condition as Baastrup's disease of lumbar spine. In AHRQ's Clinical Classifications Software (CCSR), this diagnosis falls under Spondylopathies/spondyloarthropathy (including infective).

Code Identity

ICD-10-CM Code
M48.26
Billable Status
Yes — Valid for Submission
Code Describes
Kissing spine, lumbar region
Short Description
Kissing spine, lumbar region
Same as the full description in the CMS dataset.
Parent Code
M48.2
Kissing spine

Code Classification

ChapterM00–M99Diseases of the musculoskeletal system and connective tissue
SectionM45-M49Spondylopathies
CategoryM48Other spondylopathies
This CodeM48.26Kissing spine, lumbar region

Approximate SynonymsGuidance

Alternate terms and clinical phrases that map to this code.

  • Baastrup's disease of lumbar spine
  • Kissing spine

Index to Diseases and InjuriesGuidance

Alphabetical index entries that point to this code.

Clinical ClassificationClinical

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

CCSR MUS011
Spondylopathies/spondyloarthropathy (including infective)
Default principal diagnosis: inpatient Yes · outpatient Yes

Patient EducationClinical

Spine Injuries and Disorders

Your backbone, or spine, is made up of 26 bone discs called vertebrae. The vertebrae protect your spinal cord and allow you to stand and bend. A number of problems can change the structure of the spine or damage the vertebrae and surrounding tissue. They include:

Read the full article at MedlinePlus

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

Convert M48.26 to ICD-9-CMHistory

The closest ICD-9-CM equivalents under the General Equivalence Mappings.

ICD-9-CM
721.5 Kissing spine
Approximate The match is approximate rather than exact.

Code HistoryHistory

FY 2016AddedAdded to the ICD-10-CM code setEffective October 1, 2015, the first year of ICD-10-CM.
FY 2017–2025No changes
FY 2026CurrentCurrent code set, no changesEffective October 1, 2025 through September 30, 2026.

Questions About M48.26Overview

What is the ICD-10 code for kissing spine, lumbar region?

The ICD-10-CM code for kissing spine, lumbar region is M48.26 (sometimes written as M4826). It is billable on HIPAA-covered claims from October 1, 2025 through September 30, 2026.

Is M48.26 (Kissing spine) a billable code?

Yes. This is a billable ICD-10-CM code, specific enough to report kissing spine, lumbar region on HIPAA-covered claims from October 1, 2025 through September 30, 2026.

What MS-DRG does M48.26 group to?

When kissing spine, lumbar region is the principal diagnosis on an inpatient stay, it groups to MS-DRG 551, 552, with relative weights from 0.9613 to 1.6761 depending on complications. Higher weights mean higher Medicare reimbursement.

What is the ICD-9 equivalent of M48.26?

Under the General Equivalence Mappings, kissing spine, lumbar region converts to ICD-9-CM 721.5 (kissing spine). The mapping is approximate, so confirm the match fits the documentation.