2026 ICD-10-CM Diagnosis Code M47.819Spondylosis without myelopathy or radiculopathy, site unspecified

ICD-10-CM Codes›M00–M99›M45-M49›M47

ICD-10-CM M47.819
CMSSource: CMS FY 2026 ICD-10-CM dataset · Effective Oct 1, 2025 – Sep 30, 2026

M47.819 is a billable ICD-10-CM diagnosis code for spondylosis without myelopathy or radiculopathy, site unspecified. 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 arthropathy of spinal facet joint. In AHRQ's Clinical Classifications Software (CCSR), this diagnosis falls under Spondylopathies/spondyloarthropathy (including infective).

Code Identity

ICD-10-CM Code
M47.819
Billable Status
Yes — Valid for Submission
Code Describes
Spondylosis without myelopathy or radiculopathy, site unspecified
Short Description
Spondylosis without myelopathy or radiculopathy, site unsp
Parent Code
M47.81
Spondylosis without myelopathy or radiculopathy

Code Classification

ChapterM00–M99Diseases of the musculoskeletal system and connective tissue
SectionM45-M49Spondylopathies
CategoryM47Spondylosis
This CodeM47.819Spondylosis without myelopathy or radiculopathy, site unspecified

Approximate SynonymsGuidance

Alternate terms and clinical phrases that map to this code.

  • Arthropathy of spinal facet joint
  • Pain of facet joint
  • Pain of vertebral joint
  • Spondylosis without myelopathy

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 M47.819 to ICD-9-CMHistory

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

ICD-9-CM
721.90 Spondylos NOS w/o myelop
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 M47.819Overview

What is the ICD-10 code for spondylosis without myelopathy or radiculopathy, site unspecified?

The ICD-10-CM code for spondylosis without myelopathy or radiculopathy, site unspecified is M47.819 (sometimes written as M47819). It is billable on HIPAA-covered claims from October 1, 2025 through September 30, 2026.

Is M47.819 (Spondylosis without myelopathy or radiculopathy) a billable code?

Yes. This is a billable ICD-10-CM code, specific enough to report spondylosis without myelopathy or radiculopathy, site unspecified on HIPAA-covered claims from October 1, 2025 through September 30, 2026.

What MS-DRG does M47.819 group to?

When spondylosis without myelopathy or radiculopathy, site unspecified 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 M47.819?

Under the General Equivalence Mappings, spondylosis without myelopathy or radiculopathy, site unspecified converts to ICD-9-CM 721.90 (spondylos NOS w/o myelop). The mapping is approximate, so confirm the match fits the documentation.