M42.9
✓ Billable
Spinal osteochondrosis, unspecified
ICD-10-CM · FY2026 · Diseases of the Musculoskeletal System and Connective Tissue
Code
M42.9
System
ICD-10-CM
Billable
Yes — valid for submission
Effective
FY2026
Chapter
Diseases of the Musculoskeletal System and Connective Tissue
Source
CMS / CDC NCHS
⚠ Verify before billing. Confirm against the current CMS/NCHS ICD-10-CM files and your payer's rules before claims submission.
Frequently asked questions
What is ICD-10 code M42.9?
ICD-10-CM code M42.9 represents Spinal osteochondrosis, unspecified. It is a billable diagnosis code in the Diseases of the Musculoskeletal System and Connective Tissue chapter, effective October 1, 2025 – September 30, 2026.
Is M42.9 billable?
Yes. M42.9 is a valid billable ICD-10-CM code for insurance claims and clinical documentation.
What chapter is M42.9 in?
M42.9 belongs to the Diseases of the Musculoskeletal System and Connective Tissue chapter (M00–M99) of ICD-10-CM.
Related codes in the M42 category
M42
Spinal osteochondrosis
Non-billable
M42.0
Juvenile osteochondrosis of spine
Non-billable
M42.1
Adult osteochondrosis of spine
Non-billable
M42.00
Juvenile osteochondrosis of spine, site unspecified
Billable
M42.01
Juvenile osteochondrosis of spine, occipito-atlanto-axial region
Billable
M42.02
Juvenile osteochondrosis of spine, cervical region
Billable
M42.03
Juvenile osteochondrosis of spine, cervicothoracic region
Billable
M42.04
Juvenile osteochondrosis of spine, thoracic region
Billable
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