M43.2

M43.2: Fusion of spine

Non-billable headerICD-10-CM

M43.2 is a non-billable header ICD-10-CM code for fusion of spine. It cannot be billed on its own: choose one of the more specific child codes below.

Excludes1: never code together

These conditions cannot occur together. Billing both on the same encounter is a denial.

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

Excludes2: not included here, but may coexist

The excluded condition is not part of this code, but a patient can have both. You may code both.

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

Inclusion terms

Alternative wordings a physician may use in the chart for this same code.

Ankylosis of spinal joint

Excludes1 inherited from the categories above M43.2

A category’s note binds every code beneath it.

Written on M43: Other deforming dorsopathies

congenital spondylolysis and spondylolisthesis (Q76.2)
hemivertebra (Q76.3-Q76.4)
Klippel-Feil syndrome (Q76.1)
lumbarization and sacralization (Q76.4)
platyspondylisis (Q76.4)
spina bifida occulta (Q76.0)
spinal curvature in osteoporosis (M80.-)
spinal curvature in Paget's disease of bone [osteitis deformans] (M88.-)

Risk adjustment

No CMS-HCC V28 category: this code does not change a RAF score.

Code history

Unchanged in every release from FY2024 to FY2027.

Code to one of these instead M43.2

9 child codes. Green means billable.