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M43.1

Non-billable

Spondylolisthesis

M43.1 is the ICD-10-CM code for Spondylolisthesis. It is a non-billable category code — use a more specific child code such as M43.10 for billing.

Status
Header (non-billable)
Chapter
M00-M99
Parent
M43
Subcodes
10
Edition
FY2026

M00-M99 Diseases of the musculoskeletal system and connective tissue

Excludes1 — not coded here

  • •acute traumatic of lumbosacral region (S33.1)
  • •acute traumatic of sites other than lumbosacral- code to Fracture, vertebra, by region
  • •congenital spondylolisthesis (Q76.2)

Frequently asked questions

What is ICD-10 code M43.1?
M43.1 is the ICD-10-CM code for "Spondylolisthesis". It falls under M00-M99 Diseases of the musculoskeletal system and connective tissue.
Is M43.1 a billable code?
No — M43.1 is a non-billable header code. Use a more specific child code (such as M43.10) for billing.
What are the subcodes of M43.1?
M43.1 has 10 more specific child codes, including M43.10, M43.11, M43.12.
What is excluded from M43.1?
Excludes1 (not coded here): acute traumatic of lumbosacral region (S33.1); acute traumatic of sites other than lumbosacral- code to Fracture, vertebra, by region; congenital spondylolisthesis (Q76.2).

Source: CMS ICD-10-CM FY2026. For informational purposes only — not medical advice. See our medical disclaimer.

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