Home > 2006 ICD-9-CM Diagnosis Codes > Diseases Of The Musculoskeletal System And Connective Tissue 710-739 > Osteopathies, Chondropathies, And Acquired Musculoskeletal Deformities 730-739 > Other disorders of bone and cartilage 733-
Specific code 2006 ICD-9-CM Diagnosis Code 733.21
Solitary bone cyst
  • ICD-9-CM 733.21 is a billable medical code that can be used to indicate a diagnosis on a reimbursement claim, however, 733.21 should only be used for claims with a date of service on or before September 30, 2015. For claims with a date of service on or after October 1, 2015, use an equivalent ICD-10-CM code (or codes).
  • You are viewing the 2006 version of ICD-9-CM 733.21.
  • More recent version(s) of ICD-9-CM 733.21: 2007 2008 2009 2010 2011 2012 2013 2014 2015.
Convert to ICD-10-CM: 733.21 converts approximately to:
  • 2015/16 ICD-10-CM M85.40 Solitary bone cyst, unspecified site
Approximate Synonyms
  • Bone cyst, solitary
  • Solitary bone cyst of ankle
  • Solitary bone cyst of fibula
  • Solitary bone cyst of foot
  • Solitary bone cyst of hand
  • Solitary bone cyst of humerus
  • Solitary bone cyst of L ankle and foot
  • Solitary bone cyst of L hand
  • Solitary bone cyst of L humerus
  • Solitary bone cyst of L pelvis
  • Solitary bone cyst of L shoulder
  • Solitary bone cyst of L tibia and fibula
  • Solitary bone cyst of L ulna and radius
  • Solitary bone cyst of left ankle
  • Solitary bone cyst of left ankle and foot
  • Solitary bone cyst of left hand
  • Solitary bone cyst of left humerus
  • Solitary bone cyst of left pelvis
  • Solitary bone cyst of left radius
  • Solitary bone cyst of left shoulder
  • Solitary bone cyst of left tibia
  • Solitary bone cyst of left tibia and fibula
  • Solitary bone cyst of left ulna and radius
  • Solitary bone cyst of pelvis
  • Solitary bone cyst of R ankle and foot
  • Solitary bone cyst of R hand
  • Solitary bone cyst of R humerus
  • Solitary bone cyst of R pelvis
  • Solitary bone cyst of R shoulder
  • Solitary bone cyst of R tibia and fibula
  • Solitary bone cyst of R ulna and radius
  • Solitary bone cyst of radius
  • Solitary bone cyst of right ankle
  • Solitary bone cyst of right ankle and foot
  • Solitary bone cyst of right hand
  • Solitary bone cyst of right humerus
  • Solitary bone cyst of right pelvis
  • Solitary bone cyst of right radius
  • Solitary bone cyst of right shoulder
  • Solitary bone cyst of right tibia
  • Solitary bone cyst of right tibia and fibula
  • Solitary bone cyst of right ulna and radius
  • Solitary bone cyst of shoulder
  • Solitary bone cyst of tibia
  • Solitary bone cyst of ulna
Applies To
  • Unicameral bone cyst
ICD-9-CM Volume 2 Index entries containing back-references to 733.21:
  • Cyst (mucus) (retention) (serous) (simple)
    • solitary
  • Solitary
    • cyst
 733.20 ICD9Data.com 733.22 
ICD-9-CM codes are used in medical billing and coding to describe diseases, injuries, symptoms and conditions. ICD-9-CM 733.21 is one of thousands of ICD-9-CM codes used in healthcare. Although ICD-9-CM and CPT codes are largely numeric, they differ in that CPT codes describe medical procedures and services. Can't find a code? Start at the root of ICD-9-CM, check the 2006 ICD-9-CM Index or use the search engine at the top of this page to lookup any code.
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