|  M43 |  | Other deforming dorsopathies   | 
	
		|  |  | 
	
		| Excludes1 | 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.-)
 
 |  | 
|  |  | 
	
		|  M43.0 |  | Spondylolysis |  
		|  |  | 
	
		| Excludes1 | congenital spondylolysis (Q76.2) spondylolisthesis (M43.1)
 
 |  |  |  |  | 
	
		|  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 |  
		|  |  | 
	
		| Excludes1 | acute traumatic of lumbosacral region (S33.1) acute traumatic of sites other than lumbosacral- code to Fracture, vertebra, by region
 congenital spondylolisthesis (Q76.2)
 
 |  |  |  |  | 
	
		|  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 |  
		|  |  | 
| Ankylosis of spinal joint |  
		| Excludes1 | ankylosing spondylitis (M45.0-) congenital fusion of spine (Q76.4)
 
 |  
		| Excludes2 | arthrodesis status (Z98.1) pseudoarthrosis after fusion or arthrodesis (M96.0)
 
 |  |  |  |  | 
	
		|  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 |  
		|  |  | 
	
		| Excludes1 | biomechanical lesions NEC (M99.-) 
 |  |  |  |  | 
	
		|  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 |  
		|  |  | 
	
		| Excludes1 | 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)
 
 |  |  | 
|  |  | 
	
		|  M43.8 |  | Other specified deforming dorsopathies |  
		|  |  | 
	
		| Excludes2 | kyphosis and lordosis (M40.-) scoliosis (M41.-)
 
 |  |  |  |  | 
	
		|  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 |  
		|  |  |  |  |