Convert to ICD-10-CM: 
733.13 converts approximately to:
- 2015/16 ICD-10-CM M48.50XA Collapsed vertebra, not elsewhere classified, site unspecified, initial encounter for fractureOr: 
- 2015/16 ICD-10-CM M80.08XA Age-related osteoporosis with current pathological fracture, vertebra(e), initial encounter for fractureOr: 
- 2015/16 ICD-10-CM M84.48XA Pathological fracture, other site, initial encounter for fractureOr: 
- 2015/16 ICD-10-CM M84.68XA Pathological fracture in other disease, other site, initial encounter for fracture
 ICD-9-CM Volume 2 Index entries containing back-references to 
733.13:
- Collapse 780.2  vertebra 733.13 vertebra 733.13
 
- Fracture (abduction) (adduction) (avulsion) (compression) (crush) (dislocation) (oblique) (separation) (closed) 829.0  pathologic (cause unknown) 733.10 pathologic (cause unknown) 733.10 
  vertebra, vertebral (back) (body) (column) (neural arch) (pedicle) (spine) (spinous process) (transverse process) (closed) 805.8 vertebra, vertebral (back) (body) (column) (neural arch) (pedicle) (spine) (spinous process) (transverse process) (closed) 805.8   with with   hematomyelia - see Fracture, vertebra, by site, with spinal cord injury hematomyelia - see Fracture, vertebra, by site, with spinal cord injury
   injury to injury to    cauda equina - see Fracture, vertebra, sacrum, with spinal cord injury cauda equina - see Fracture, vertebra, sacrum, with spinal cord injury
    nerve - see Fracture, vertebra, by site, with spinal cord injury nerve - see Fracture, vertebra, by site, with spinal cord injury
 
   paralysis - see Fracture, vertebra, by site, with spinal cord injury paralysis - see Fracture, vertebra, by site, with spinal cord injury
   paraplegia - see Fracture, vertebra, by site, with spinal cord injury paraplegia - see Fracture, vertebra, by site, with spinal cord injury
   quadriplegia - see Fracture, vertebra, by site, with spinal cord injury quadriplegia - see Fracture, vertebra, by site, with spinal cord injury
   spinal concussion - see Fracture, vertebra, by site, with spinal cord injury spinal concussion - see Fracture, vertebra, by site, with spinal cord injury
   spinal cord injury (closed) NEC 806.8 spinal cord injury (closed) NEC 806.8 
 
  cervical 806.0 cervical 806.0 
  chronic 733.13 chronic 733.13
  dorsal, dorsolumbar 806.2 dorsal, dorsolumbar 806.2 
  thoracic, thoracolumbar 806.2 thoracic, thoracolumbar 806.2 
  atlanto-axial - see Fracture, vertebra, cervical atlanto-axial - see Fracture, vertebra, cervical
  cervical (hangman) (teardrop) (closed) 805.00 cervical (hangman) (teardrop) (closed) 805.00 
  coccyx (closed) 805.6 coccyx (closed) 805.6 
  collapsed 733.13 collapsed 733.13
  compression, not due to trauma 733.13 compression, not due to trauma 733.13
  dorsal (closed) 805.2 dorsal (closed) 805.2    with spinal cord injury - see Fracture, vertebra, with spinal cord injury, dorsal with spinal cord injury - see Fracture, vertebra, with spinal cord injury, dorsal
   open 805.3 open 805.3 
 
  dorsolumbar (closed) 805.2 dorsolumbar (closed) 805.2    with spinal cord injury - see Fracture, vertebra, with spinal cord injury, dorsal with spinal cord injury - see Fracture, vertebra, with spinal cord injury, dorsal
   open 805.3 open 805.3 
 
  due to osteoporosis 733.13 due to osteoporosis 733.13
  fetus or newborn 767.4 fetus or newborn 767.4 
  lumbar (closed) 805.4 lumbar (closed) 805.4 
  nontraumatic 733.13 nontraumatic 733.13
  open NEC 805.9 open NEC 805.9 
  pathologic (any site) 733.13 pathologic (any site) 733.13
  sacrum (closed) 805.6 sacrum (closed) 805.6 
  site unspecified (closed) 805.8 site unspecified (closed) 805.8 
  stress (any site) 733.95 stress (any site) 733.95 
  thoracic (closed) 805.2 thoracic (closed) 805.2    with spinal cord injury - see Fracture, vertebra, with spinal cord injury, thoracic with spinal cord injury - see Fracture, vertebra, with spinal cord injury, thoracic
   open 805.3 open 805.3