2026 ICD-10-CM Diagnosis Code M47.20Other spondylosis with radiculopathy, site unspecified

ICD-10-CM Codes›M00–M99›M45-M49›M47

ICD-10-CM M47.20
CMSSource: CMS FY 2026 ICD-10-CM dataset · Effective Oct 1, 2025 – Sep 30, 2026

M47.20 is a billable ICD-10-CM diagnosis code for other spondylosis with 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 nerve root and plexus compressions in spondylosis. In AHRQ's Clinical Classifications Software (CCSR), this diagnosis falls under Spondylopathies/spondyloarthropathy (including infective).

Code Identity

ICD-10-CM Code
M47.20
Billable Status
Yes — Valid for Submission
Code Describes
Other spondylosis with radiculopathy, site unspecified
Short Description
Other spondylosis with radiculopathy, site unspecified
Same as the full description in the CMS dataset.
Parent Code
M47.2
Other spondylosis with radiculopathy

Code Classification

ChapterM00–M99Diseases of the musculoskeletal system and connective tissue
SectionM45-M49Spondylopathies
CategoryM47Spondylosis
This CodeM47.20Other spondylosis with radiculopathy, site unspecified

Approximate SynonymsGuidance

Alternate terms and clinical phrases that map to this code.

  • Nerve root and plexus compressions in spondylosis
  • Spondylosis with radiculopathy

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

Peripheral Nerve Disorders

Nerves are like wires that carry messages back and forth between your brain and your body. Your peripheral nerves branch off from your brain and spinal cord and connect to all parts of your body, including your muscles and organs.

The full article covers:

  • What are peripheral nerves?
  • What are peripheral nerve disorders?
  • What causes peripheral nerve disorders?
  • What are the symptoms of peripheral nerve disorders?
  • How are peripheral nerve disorders diagnosed?
  • What are the treatments for peripheral nerve disorders?
  • Can peripheral nerve disorders be prevented?

Read the full article at MedlinePlus

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

Convert M47.20 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 M47.20Overview

What is the ICD-10 code for other spondylosis with radiculopathy, site unspecified?

The ICD-10-CM code for other spondylosis with radiculopathy, site unspecified is M47.20 (sometimes written as M4720). It is billable on HIPAA-covered claims from October 1, 2025 through September 30, 2026.

Is M47.20 (Other spondylosis with radiculopathy) a billable code?

Yes. This is a billable ICD-10-CM code, specific enough to report other spondylosis with radiculopathy, site unspecified on HIPAA-covered claims from October 1, 2025 through September 30, 2026.

What MS-DRG does M47.20 group to?

When other spondylosis with 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 M47.20?

Under the General Equivalence Mappings, other spondylosis with 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.