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M42

Non-billable

Spinal osteochondrosis

M42 is the ICD-10-CM code for Spinal osteochondrosis. It is a non-billable category code — use a more specific child code such as M42.0 for billing.

Status
Header (non-billable)
Chapter
M00-M99
Subcodes
3
Edition
FY2026

M00-M99 Diseases of the musculoskeletal system and connective tissue

What this means — in plain language

MedlinePlus · NIH

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: Infections Injuries Tumors Conditions, such as ankylosing spondylitis and scoliosis Bone changes that come with age, such as spinal stenosis and herniated…

Read more about Spine Injuries and Disorders at MedlinePlus ↗

Source: U.S. National Library of Medicine (MedlinePlus). Informational only — not medical advice.

No additional coding notes for this code.

Frequently asked questions

What is ICD-10 code M42?
M42 is the ICD-10-CM code for "Spinal osteochondrosis". It falls under M00-M99 Diseases of the musculoskeletal system and connective tissue.
Is M42 a billable code?
No — M42 is a non-billable header code. Use a more specific child code (such as M42.0) for billing.
What are the subcodes of M42?
M42 has 3 more specific child codes, including M42.0, M42.1, M42.9.

Source: CMS ICD-10-CM FY2026. For informational purposes only — not medical advice. See our medical disclaimer.

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