U.S. ICD-10-CM · FY 2027

M43.1 ICD-10-CM Code: Spondylolisthesis

A clear reference for the official code description, hierarchy, and related coding information from the FY 2027 U.S. release.

Code definition

Official description

M43.1

Spondylolisthesis

ICD-10-CM diagnosis code · United States clinical modification

Classification

Where M43.1 sits

  1. 1

    Chapter 13

    Diseases of the musculoskeletal system and connective tissue (M00-M99)

  2. 2

    Section

    Deforming dorsopathies (M40-M43)

  3. 3

    Category M43

    Other deforming dorsopathies

  4. 4

    Code M43.1

    Spondylolisthesis

More specific choices

Codes under M43.1

M43.1 is a non-billable category. Choose the child code that best matches the documented diagnosis.

M43.10

Spondylolisthesis, site unspecified

M43.11

Spondylolisthesis, occipito-atlanto-axial region

M43.12

Spondylolisthesis, cervical region

M43.13

Spondylolisthesis, cervicothoracic region

M43.14

Spondylolisthesis, thoracic region

M43.15

Spondylolisthesis, thoracolumbar region

M43.16

Spondylolisthesis, lumbar region

M43.17

Spondylolisthesis, lumbosacral region

M43.18

Spondylolisthesis, sacral and sacrococcygeal region

M43.19

Spondylolisthesis, multiple sites in spine

Documentation details

Notes for this code

Inclusion terms

No inclusion terms are listed for M43.1.

Code first

No “code first” instruction is listed for M43.1.

Use additional code

No “use additional code” instruction is listed for M43.1.

Excludes1

Conditions that should not be reported together with this code.

  • acute traumatic of lumbosacral region (S33.1)
  • acute traumatic of sites other than lumbosacral- code to Fracture, vertebra, by region
  • congenital spondylolisthesis (Q76.2)

Excludes2

Conditions not included here that may be reported separately when present.

No Excludes2 note is listed for M43.1.

Transparency

Source and release

Data release

U.S. ICD-10-CM · FY 2027

Effective date

Oct 1, 2026

Publisher

Vero Scribe Inc.

This reference is generated from Vero’s ICD-10-CM description, hierarchy, and code-note dataset. The visible content and structured data share that source.

Review the CDC/NCHS ICD-10-CM source

Code-specific guidance

Frequently asked questions

What does ICD-10-CM code M43.1 mean?

M43.1 is the FY 2027 U.S. ICD-10-CM code for “Spondylolisthesis.”

Is M43.1 a billable or specific ICD-10-CM code?

No. M43.1 has more specific child codes in the FY 2027 reference data. Select the code that matches the documentation and confirm the active code set and payer requirements.

Where is M43.1 located in ICD-10-CM?

M43.1 is listed in Chapter 13, Diseases of the musculoskeletal system and connective tissue (M00-M99), within Deforming dorsopathies (M40-M43) (M40–M43), under category M43, Other deforming dorsopathies.

What coding notes are listed for M43.1?

No inclusion terms are listed for M43.1 in this reference record. No code-first instruction is listed. Excludes1 notes: acute traumatic of lumbosacral region (S33.1); acute traumatic of sites other than lumbosacral- code to Fracture, vertebra, by region; congenital spondylolisthesis (Q76.2). No Excludes2 note is listed.

Keep exploring

Related M43 codes

M43.0

Spondylolysis

M43.2

Fusion of spine

M43.3

Recurrent atlantoaxial dislocation with myelopathy

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