ICD-10-CM M43.1 is the diagnosis code for Spondylolisthesis. 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 M43.1. They are mutually exclusive:
Understanding where M43.1 sits in the ICD-10-CM classification helps ensure proper coding:
No, M43.1 is a non-billable/non-specific code. You should use a more specific sub-code for billing and reimbursement.
M43.1 is the ICD-10-CM diagnosis code for "Spondylolisthesis". It is used by healthcare providers to classify and document this condition in medical records and insurance claims.
The parent code of M43.1 is M43 ("Other deforming dorsopathies"). M43.1 provides a more specific classification within this category.
M43.1 is located in Section M40-M43 — "Deforming dorsopathies" within Chapter 13 of the ICD-10-CM Tabular List.
M43.1 has 10 sub-code(s) that provide more specific detail: M43.10, M43.11, M43.12, M43.13, M43.14 and more.
Use M43.1 when the patients documented diagnosis matches "Spondylolisthesis" 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 Spondylolisthesis is M43.1.
No, M43.1 is non-billable. Use a more specific sub-code for primary diagnosis billing.
M43.1 is in Chapter 13 of the ICD-10-CM Tabular List.
Type 1 Excludes for M43.1 include: acute traumatic of lumbosacral region (S33.1); acute traumatic of sites other than lumbosacral- code to Fracture, vertebra, by region; congenital spondylolisthesis (Q76.2).
Yes, M43.1 is a valid ICD-10-CM code for the 2026 fiscal year, subject to official CMS updates.