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M43.2

Non-billable

Fusion of spine

M43.2 is the ICD-10-CM code for Fusion of spine. It is a non-billable category code — use a more specific child code such as M43.20 for billing.

Status
Header (non-billable)
Chapter
M00-M99
Parent
M43
Subcodes
9
Edition
FY2026

M00-M99 Diseases of the musculoskeletal system and connective tissue

Includes

  • •Ankylosis of spinal joint

Excludes1 — not coded here

  • •ankylosing spondylitis (M45.0-)
  • •congenital fusion of spine (Q76.4)

Excludes2 — not included here

  • •arthrodesis status (Z98.1)
  • •pseudoarthrosis after fusion or arthrodesis (M96.0)

Frequently asked questions

What is ICD-10 code M43.2?
M43.2 is the ICD-10-CM code for "Fusion of spine". It falls under M00-M99 Diseases of the musculoskeletal system and connective tissue.
Is M43.2 a billable code?
No — M43.2 is a non-billable header code. Use a more specific child code (such as M43.20) for billing.
What are the subcodes of M43.2?
M43.2 has 9 more specific child codes, including M43.20, M43.21, M43.22.
What is excluded from M43.2?
Excludes1 (not coded here): ankylosing spondylitis (M45.0-); congenital fusion of spine (Q76.4).

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

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