Non-Billable / Non-Specific Code
ICD-10-CM M43 is the diagnosis code for Other deforming dorsopathies. 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.
The following conditions should never be coded at the same time as M43. They are mutually exclusive:
Understanding where M43 sits in the ICD-10-CM classification helps ensure proper coding:
No, M43 is a non-billable/non-specific code. You should use a more specific sub-code for billing and reimbursement.
M43 is the ICD-10-CM diagnosis code for "Other deforming dorsopathies". It is used by healthcare providers to classify and document this condition in medical records and insurance claims.
M43 is located in Section M40-M43 — "Deforming dorsopathies" within Chapter 13 of the ICD-10-CM Tabular List.
M43 has 9 sub-code(s) that provide more specific detail: M43.0, M43.1, M43.2, M43.3, M43.4 and more.
Use M43 when the patients documented diagnosis matches "Other deforming dorsopathies" 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 Other deforming dorsopathies is M43.
No, M43 is non-billable. Use a more specific sub-code for primary diagnosis billing.
M43 is in Chapter 13 of the ICD-10-CM Tabular List.
Type 1 Excludes for M43 include: congenital spondylolysis and spondylolisthesis (Q76.2); hemivertebra (Q76.3-Q76.4); Klippel-Feil syndrome (Q76.1) and more.
Yes, M43 is a valid ICD-10-CM code for the 2026 fiscal year, subject to official CMS updates.