Specific code 2011 ICD-9-CM Diagnosis Code 366.18
Hypermature cataract
  • ICD-9-CM 366.18 is a billable medical code that can be used to indicate a diagnosis on a reimbursement claim, however, 366.18 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 2011 version of ICD-9-CM 366.18.
  • More recent version(s) of ICD-9-CM 366.18: 2012 2013 2014 2015.
Convert to ICD-10-CM: 366.18 converts approximately to:
  • 2015/16 ICD-10-CM H25.20 Age-related cataract, morgagnian type, unspecified eye
Disease Synonyms
  • Age related bilat hypermature cataract
  • Age related bilateral hypermature cataract
  • Age related hypermature cataract
  • Age related L hypermature cataract
  • Age related left hypermature cataract
  • Age related R hypermature cataract
  • Age related right hypermature cataract
  • Bilat morgagnian cataract
  • Bilateral age related hypermature cataracts
  • Bilateral hypermature senile cataracts (disorder)
  • Bilateral Morgagnian cataracts
  • Hypermature senile cataract (disorder)
  • L morgagnian cataract
  • Left age related hypermature cataract
  • Left hypermature senile cataract (disorder)
  • Left morgagnian cataract
  • Morgagnian cataract
  • Morgagnian cataract, both eyes
  • R morgagnian cataract
  • Right age related hypermature cataract
  • Right hypermature senile cataract (disorder)
  • Right morgagnian cataract
Applies To
  • Morgagni cataract
ICD-9-CM Volume 2 Index entries containing back-references to 366.18:
  • Cataract (anterior cortical) (anterior polar) (black) (capsular) (central) (cortical) (hypermature) (immature) (incipient) (mature) 366.9
    • morgagnian 366.18
ICD-9-CM codes are used in medical billing and coding to describe diseases, injuries, symptoms and conditions. ICD-9-CM 366.18 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 2011 ICD-9-CM Index or use the search engine at the top of this page to lookup any code.