M42
Non-Billable

Spinal osteochondrosis

Non-Billable / Non-Specific Code

What is Spinal osteochondrosis?

ICD-10-CM M42 is the diagnosis code for Spinal osteochondrosis. This code falls under the section "Deforming dorsopathies" within Chapter 13 — Diseases of the musculoskeletal system and connective tissue (M00-M99). It is a non-billable/non-specific ICD-10-CM code that should not be used for reimbursement. A more specific sub-code is required for billing. Medical coders and healthcare providers use this code to document and classify diagnoses in electronic health records, insurance claims, and clinical databases.

Coding Guidelines for M42

Always refer to the official ICD-10-CM Tabular List for complete coding guidelines. Ensure documentation supports the specificity of the code selected. When in doubt, consult a certified medical coder or the latest CMS guidelines.

ICD-10-CM Code Hierarchy

Understanding where M42 sits in the ICD-10-CM classification helps ensure proper coding:

Sub-Codes 3 entries
M42.0Juvenile osteochondrosis of spineNon-BillableM42.00Juvenile osteochondrosis of spine, site unspecifiedBillableM42.01Juvenile osteochondrosis of spine, occipito-atlanto-axial regionBillableM42.02Juvenile osteochondrosis of spine, cervical regionBillableM42.03Juvenile osteochondrosis of spine, cervicothoracic regionBillableM42.04Juvenile osteochondrosis of spine, thoracic regionBillableM42.05Juvenile osteochondrosis of spine, thoracolumbar regionBillableM42.06Juvenile osteochondrosis of spine, lumbar regionBillableM42.07Juvenile osteochondrosis of spine, lumbosacral regionBillableM42.08Juvenile osteochondrosis of spine, sacral and sacrococcygeal regionBillableM42.09Juvenile osteochondrosis of spine, multiple sites in spineBillableM42.1Adult osteochondrosis of spineNon-BillableM42.10Adult osteochondrosis of spine, site unspecifiedBillableM42.11Adult osteochondrosis of spine, occipito-atlanto-axial regionBillableM42.12Adult osteochondrosis of spine, cervical regionBillableM42.13Adult osteochondrosis of spine, cervicothoracic regionBillableM42.14Adult osteochondrosis of spine, thoracic regionBillableM42.15Adult osteochondrosis of spine, thoracolumbar regionBillableM42.16Adult osteochondrosis of spine, lumbar regionBillableM42.17Adult osteochondrosis of spine, lumbosacral regionBillableM42.18Adult osteochondrosis of spine, sacral and sacrococcygeal regionBillableM42.19Adult osteochondrosis of spine, multiple sites in spineBillableM42.9Spinal osteochondrosis, unspecifiedBillable
Related Codes

Frequently Asked Questions

Is M42 a billable ICD-10-CM code?

No, M42 is a non-billable/non-specific code. You should use a more specific sub-code for billing and reimbursement.

What does M42 mean?

M42 is the ICD-10-CM diagnosis code for "Spinal osteochondrosis". It is used by healthcare providers to classify and document this condition in medical records and insurance claims.

What section is M42 in?

M42 is located in Section M40-M43 — "Deforming dorsopathies" within Chapter 13 of the ICD-10-CM Tabular List.

What are the sub-codes of M42?

M42 has 3 sub-code(s) that provide more specific detail: M42.0, M42.1, M42.9.

When should I use M42?

Use M42 when the patients documented diagnosis matches "Spinal osteochondrosis" and the clinical documentation supports this level of specificity. Always verify with the latest ICD-10-CM guidelines and payer requirements.

People Also Ask

What is the ICD-10 code for Spinal osteochondrosis?

The ICD-10-CM code for Spinal osteochondrosis is M42.

Can M42 be used for primary diagnosis?

No, M42 is non-billable. Use a more specific sub-code for primary diagnosis billing.

What chapter is M42 in?

M42 is in Chapter 13 of the ICD-10-CM Tabular List.

Is M42 valid for 2026?

Yes, M42 is a valid ICD-10-CM code for the 2026 fiscal year, subject to official CMS updates.

See Also

← PreviousM41.9Scoliosis, unspecifiedNext →M42.0Juvenile osteochondrosis of spine
Code Details
M42
Spinal osteochondrosis
Non-Billable / Non-Specific Code
13 — Diseases of the musculoskeletal system and connective tissue (M00-M99)
M40-M43 — Deforming dorsopathies
2026 ICD-10-CM