ICD-10-CM M43.2 is the diagnosis code for Fusion of spine. This code falls under the section "Deforming dorsopathies" within Chapter 13 â 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.
The following conditions should never be coded at the same time as M43.2. They are mutually exclusive:
The following conditions are not included in M43.2. If the patient has both, code each condition separately:
Understanding where M43.2 sits in the ICD-10-CM classification helps ensure proper coding:
No, M43.2 is a non-billable/non-specific code. You should use a more specific sub-code for billing and reimbursement.
M43.2 is the ICD-10-CM diagnosis code for "Fusion of spine". It is used by healthcare providers to classify and document this condition in medical records and insurance claims.
The parent code of M43.2 is M43 ("Other deforming dorsopathies"). M43.2 provides a more specific classification within this category.
M43.2 is located in Section M40-M43 â "Deforming dorsopathies" within Chapter 13 of the ICD-10-CM Tabular List.
M43.2 has 9 sub-code(s) that provide more specific detail: M43.20, M43.21, M43.22, M43.23, M43.24 and more.
Use M43.2 when the patients documented diagnosis matches "Fusion of spine" and the clinical documentation supports this level of specificity. Always verify with the latest ICD-10-CM guidelines and payer requirements.
The ICD-10-CM code for Fusion of spine is M43.2.
No, M43.2 is non-billable. Use a more specific sub-code for primary diagnosis billing.
M43.2 is in Chapter 13 of the ICD-10-CM Tabular List.
Type 1 Excludes for M43.2 include: ankylosing spondylitis (M45.0-); congenital fusion of spine (Q76.4).
Yes, M43.2 is a valid ICD-10-CM code for the 2026 fiscal year, subject to official CMS updates.