|  M40 |  | Kyphosis and lordosis   | 
	
		|  |  | 
	
		| CodeFirst | underlying disease 
 |  
		| Excludes1 | congenital kyphosis and lordosis (Q76.4) kyphoscoliosis (M41.-)
 postprocedural kyphosis and lordosis (M96.-)
 
 |  | 
|  |  | 
	
		|  M40.0 |  | Postural kyphosis |  
		|  |  | 
	
		| Excludes1 | osteochondrosis of spine (M42.-) 
 |  |  |  |  | 
	
		|  M40.00 |  | Postural kyphosis, site unspecified |  |  |  |  | 
	
		|  M40.03 |  | Postural kyphosis, cervicothoracic region |  |  |  |  | 
	
		|  M40.04 |  | Postural kyphosis, thoracic region |  |  |  |  | 
	
		|  M40.05 |  | Postural kyphosis, thoracolumbar region |  |  | 
|  |  | 
	
		|  M40.1 |  | Other secondary kyphosis |  |  |  | 
	
		|  M40.10 |  | Other secondary kyphosis, site unspecified |  |  |  |  | 
	
		|  M40.12 |  | Other secondary kyphosis, cervical region |  |  |  |  | 
	
		|  M40.13 |  | Other secondary kyphosis, cervicothoracic region |  |  |  |  | 
	
		|  M40.14 |  | Other secondary kyphosis, thoracic region |  |  |  |  | 
	
		|  M40.15 |  | Other secondary kyphosis, thoracolumbar region |  |  | 
|  |  | 
	
		|  M40.2 |  | Other and unspecified kyphosis |  |  |  | 
	
		|  M40.20 |  | Unspecified kyphosis |  |  |  | 
	
		|  M40.202 |  | Unspecified kyphosis, cervical region |  |  |  |  | 
	
		|  M40.203 |  | Unspecified kyphosis, cervicothoracic region |  |  |  |  | 
	
		|  M40.204 |  | Unspecified kyphosis, thoracic region |  |  |  |  | 
	
		|  M40.205 |  | Unspecified kyphosis, thoracolumbar region |  |  |  |  | 
	
		|  M40.209 |  | Unspecified kyphosis, site unspecified |  |  |  |  |  | 
	
		|  M40.29 |  | Other kyphosis |  |  |  | 
	
		|  M40.292 |  | Other kyphosis, cervical region |  |  |  |  | 
	
		|  M40.293 |  | Other kyphosis, cervicothoracic region |  |  |  |  | 
	
		|  M40.294 |  | Other kyphosis, thoracic region |  |  |  |  | 
	
		|  M40.295 |  | Other kyphosis, thoracolumbar region |  |  |  |  | 
	
		|  M40.299 |  | Other kyphosis, site unspecified |  |  |  | 
|  |  | 
	
		|  M40.3 |  | Flatback syndrome |  |  |  | 
	
		|  M40.30 |  | Flatback syndrome, site unspecified |  |  |  |  | 
	
		|  M40.35 |  | Flatback syndrome, thoracolumbar region |  |  |  |  | 
	
		|  M40.36 |  | Flatback syndrome, lumbar region |  |  |  |  | 
	
		|  M40.37 |  | Flatback syndrome, lumbosacral region |  |  | 
|  |  | 
	
		|  M40.4 |  | Postural lordosis |  
		|  |  |  |  |  |  | 
	
		|  M40.40 |  | Postural lordosis, site unspecified |  |  |  |  | 
	
		|  M40.45 |  | Postural lordosis, thoracolumbar region |  |  |  |  | 
	
		|  M40.46 |  | Postural lordosis, lumbar region |  |  |  |  | 
	
		|  M40.47 |  | Postural lordosis, lumbosacral region |  |  | 
|  |  | 
	
		|  M40.5 |  | Lordosis, unspecified |  |  |  | 
	
		|  M40.50 |  | Lordosis, unspecified, site unspecified |  |  |  |  | 
	
		|  M40.55 |  | Lordosis, unspecified, thoracolumbar region |  |  |  |  | 
	
		|  M40.56 |  | Lordosis, unspecified, lumbar region |  |  |  |  | 
	
		|  M40.57 |  | Lordosis, unspecified, lumbosacral region |  |  |