ICD-10-CM M43: Other deforming dorsopathies

ICD-10-CM Diagnosis Code (2025)

Official Description for M43

Other deforming dorsopathies

Coding Notes & Guidelines for M43

Excludes1: Not Coded Here
  • 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.-)
Excludes1: Not Coded Here
  • congenital spondylolysis (Q76.2)
  • spondylolisthesis (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)
Excludes1: Not Coded Here
  • ankylosing spondylitis (M45.0-)
  • congenital fusion of spine (Q76.4)
Excludes1: Not Coded Here

biomechanical lesions NEC (M99.-)

Excludes1: Not Coded Here
  • congenital (sternomastoid) torticollis (Q68.0)
  • current injury - see Injury, of spine, by body region
  • ocular torticollis (R29.891)
  • psychogenic torticollis (F45.8)
  • spasmodic torticollis (G24.3)
  • torticollis due to birth injury (P15.2)
Excludes2: Not Included Here
  • arthrodesis status (Z98.1)
  • pseudoarthrosis after fusion or arthrodesis (M96.0)
Excludes2: Not Included Here
  • kyphosis and lordosis (M40.-)
  • scoliosis (M41.-)
Inclusion Terms

Ankylosis of spinal joint

Inclusion Terms

Curvature of spine NOS

Child Codes (More Specific Codes for M43):

M43.0 - Spondylolysis M43.00 - Spondylolysis, site unspecified M43.01 - Spondylolysis, occipito-atlanto-axial region M43.02 - Spondylolysis, cervical region M43.03 - Spondylolysis, cervicothoracic region M43.04 - Spondylolysis, thoracic region M43.05 - Spondylolysis, thoracolumbar region M43.06 - Spondylolysis, lumbar region M43.07 - Spondylolysis, lumbosacral region M43.08 - Spondylolysis, sacral and sacrococcygeal region M43.09 - Spondylolysis, multiple sites in spine M43.1 - Spondylolisthesis M43.10 - Spondylolisthesis, site unspecified M43.11 - Spondylolisthesis, occipito-atlanto-axial region M43.12 - Spondylolisthesis, cervical region M43.13 - Spondylolisthesis, cervicothoracic region M43.14 - Spondylolisthesis, thoracic region M43.15 - Spondylolisthesis, thoracolumbar region M43.16 - Spondylolisthesis, lumbar region M43.17 - Spondylolisthesis, lumbosacral region M43.18 - Spondylolisthesis, sacral and sacrococcygeal region M43.19 - Spondylolisthesis, multiple sites in spine M43.2 - Fusion of spine M43.20 - Fusion of spine, site unspecified M43.21 - Fusion of spine, occipito-atlanto-axial region M43.22 - Fusion of spine, cervical region M43.23 - Fusion of spine, cervicothoracic region M43.24 - Fusion of spine, thoracic region M43.25 - Fusion of spine, thoracolumbar region M43.26 - Fusion of spine, lumbar region M43.27 - Fusion of spine, lumbosacral region M43.28 - Fusion of spine, sacral and sacrococcygeal region M43.3 - Recurrent atlantoaxial dislocation with myelopathy M43.4 - Other recurrent atlantoaxial dislocation M43.5 - Other recurrent vertebral dislocation M43.5X - Other recurrent vertebral dislocation M43.5X2 - Other recurrent vertebral dislocation, cervical region M43.5X3 - Other recurrent vertebral dislocation, cervicothoracic region M43.5X4 - Other recurrent vertebral dislocation, thoracic region M43.5X5 - Other recurrent vertebral dislocation, thoracolumbar region M43.5X6 - Other recurrent vertebral dislocation, lumbar region M43.5X7 - Other recurrent vertebral dislocation, lumbosacral region M43.5X8 - Other recurrent vertebral dislocation, sacral and sacrococcygeal region M43.5X9 - Other recurrent vertebral dislocation, site unspecified M43.6 - Torticollis M43.8 - Other specified deforming dorsopathies M43.8X - Other specified deforming dorsopathies M43.8X1 - Other specified deforming dorsopathies, occipito-atlanto-axial region M43.8X2 - Other specified deforming dorsopathies, cervical region M43.8X3 - Other specified deforming dorsopathies, cervicothoracic region M43.8X4 - Other specified deforming dorsopathies, thoracic region M43.8X5 - Other specified deforming dorsopathies, thoracolumbar region M43.8X6 - Other specified deforming dorsopathies, lumbar region M43.8X7 - Other specified deforming dorsopathies, lumbosacral region M43.8X8 - Other specified deforming dorsopathies, sacral and sacrococcygeal region M43.8X9 - Other specified deforming dorsopathies, site unspecified M43.9 - Deforming dorsopathy, unspecified

About ICD-10-CM Code M43 (Other deforming dorsopathies)

ICD-10-CM code M43 is a billable or specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes. The 2025 edition of ICD-10-CM M43 became effective on October 1, 2024.

This page provides detailed information about M43 - Other deforming dorsopathies. It includes common terminology, coding guidelines such as "Includes," "Excludes1," and "Excludes2" notes, and information on required 7th characters. Utilizing this information correctly is essential for accurate medical coding and claims submission for conditions like Other deforming dorsopathies.