M42Header code — not billable

Spinal osteochondrosis

Chapter
13. Diseases of the musculoskeletal system and connective tissue
Category
M42
Effective date
October 1, 2026

Related codes in category M42

Frequently asked questions

What is ICD-10 code M42?

M42 is an ICD-10-CM diagnosis code for Spinal osteochondrosis.

Is M42 a billable code?

No. M42 is a category/header code, not billable on its own — use one of its more specific child codes instead.

What ICD-10-CM chapter is M42 in?

M42 falls under Chapter 13: Diseases of the musculoskeletal system and connective tissue.

When did M42 become effective?

M42 has been effective since October 1, 2026, per the CMS/CDC ICD-10-CM annual release.

What other codes are related to M42?

M42 belongs to category M42, which includes 12 other codes — see the related codes list on this page.

ICD-10-CM data maintained by CDC/CMS (public domain). Always verify codes with authoritative sources before making coding or billing decisions.