M42.9
✓ BillableSpinal osteochondrosis, unspecified
Diseases of the musculoskeletal system and connective tissue (M00-M99)
Clinical Description
ICD-10-CM code M42.9 represents spinal osteochondrosis, unspecified. This code falls under the Diseases of the musculoskeletal system and connective tissue (M00-M99) classification. It is a billable/specific code valid for HIPAA-covered transactions as of October 1, 2025 (FY2026). This code can be used to indicate a diagnosis for reimbursement purposes on insurance claims.
This is a 5-character code at the 4th level of specificity. This is the most specific code available in this subcategory.
Frequently Asked Questions
What is ICD-10 code M42.9?
ICD-10-CM code M42.9 is "Spinal osteochondrosis, unspecified". It belongs to the category: Diseases of the musculoskeletal system and connective tissue (M00-M99).
Is M42.9 a billable ICD-10 code?
Yes, M42.9 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
Related Codes in M42
Other codes in the same category that may be relevant for differential coding:
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Data Source
CMS ICD-10-CM 2026 Tabular List
Updated October 1, 2025 (FY2026)