Specific code 2015 ICD-9-CM Diagnosis Code 363.21
Pars planitis
  • 2015
  • Billable Thru Sept 30/2015
  • Non-Billable On/After Oct 1/2015

  • ICD-9-CM 363.21 is a billable medical code that can be used to indicate a diagnosis on a reimbursement claim, however, 363.21 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).
Convert to ICD-10-CM: 363.21 converts approximately to:
  • 2015/16 ICD-10-CM H30.23 Posterior cyclitis, bilateral
Approximate Synonyms
  • Bilat posterior cyclitis
  • Bilateral posterior cyclitis
  • L posterior cyclitis
  • Left posterior cyclitis
  • Posterior cyclitis
  • Posterior cyclitis, both eyes
  • R posterior cyclitis
  • Right posterior cyclitis
Clinical Information
  • An inflammatory disorder of the cilliary body in the uvea that affects healthy, younger individuals who are often asymptomatic. It has a long clinical course with relapses and remissions. Symptoms include mildly decreased vision and floaters. It may be associated with autoimmune disorders
  • Form of granulomatous uveitis occurring in the region of the pars plana. This disorder is a common condition with no detectable focal pathology. It causes fibrovascular proliferation at the inferior ora serrata
Applies To
  • Posterior cyclitis
ICD-9-CM Volume 2 Index entries containing back-references to 363.21:
  • Cyclitis (see also Iridocyclitis) 364.3
    • posterior 363.21
  • Pars planitis 363.21
ICD-9-CM codes are used in medical billing and coding to describe diseases, injuries, symptoms and conditions. ICD-9-CM 363.21 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 2015 ICD-9-CM Index or use the search engine at the top of this page to lookup any code.