U.S. ICD-10-CM · FY 2027

M51 ICD-10-CM Code: Thoracic, thoracolumbar, and lumbosacral intervertebral disc disorders

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

Code definition

Official description

M51

Thoracic, thoracolumbar, and lumbosacral intervertebral disc disorders

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

Classification

Where M51 sits

  1. 1

    Chapter 13

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

  2. 2

    Section

    Other dorsopathies (M50-M54)

  3. 3

    Category M51

    Thoracic, thoracolumbar, and lumbosacral intervertebral disc disorders

  4. 4

    Code M51

    Thoracic, thoracolumbar, and lumbosacral intervertebral disc disorders

More specific choices

Codes under M51

M51 is a non-billable category. Choose the child code that best matches the documented diagnosis.

M51.0

Thoracic, thoracolumbar and lumbosacral intervertebral disc disorders with myelopathy

M51.1

Thoracic, thoracolumbar and lumbosacral intervertebral disc disorders with radiculopathy

M51.2

Other thoracic, thoracolumbar and lumbosacral intervertebral disc displacement

M51.3

Other thoracic, thoracolumbar and lumbosacral intervertebral disc degeneration

M51.4

Schmorl's nodes

M51.8

Other thoracic, thoracolumbar and lumbosacral intervertebral disc disorders

M51.9

Unspecified thoracic, thoracolumbar and lumbosacral intervertebral disc disorder

M51.A

Other lumbar and lumbosacral annulus fibrosus disc defects

Documentation details

Notes for this code

Inclusion terms

No inclusion terms are listed for M51.

Code first

No “code first” instruction is listed for M51.

Use additional code

No “use additional code” instruction is listed for M51.

Excludes1

Conditions that should not be reported together with this code.

No Excludes1 note is listed for M51.

Excludes2

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

  • cervical and cervicothoracic disc disorders (M50.-)
  • sacral and sacrococcygeal disorders (M53.3)

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 M51 mean?

M51 is the FY 2027 U.S. ICD-10-CM code for “Thoracic, thoracolumbar, and lumbosacral intervertebral disc disorders.”

Is M51 a billable or specific ICD-10-CM code?

No. M51 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 M51 located in ICD-10-CM?

M51 is listed in Chapter 13, Diseases of the musculoskeletal system and connective tissue (M00-M99), within Other dorsopathies (M50-M54) (M50–M54), under category M51, Thoracic, thoracolumbar, and lumbosacral intervertebral disc disorders.

What coding notes are listed for M51?

No inclusion terms are listed for M51 in this reference record. No code-first instruction is listed. No Excludes1 note is listed. Excludes2 notes: cervical and cervicothoracic disc disorders (M50.-); sacral and sacrococcygeal disorders (M53.3).

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