Specific code 2015 ICD-9-CM Diagnosis Code 370.40
Keratoconjunctivitis, unspecified
  • 2015
  • Billable Thru Sept 30/2015
  • Non-Billable On/After Oct 1/2015

  • ICD-9-CM 370.40 is a billable medical code that can be used to indicate a diagnosis on a reimbursement claim, however, 370.40 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: 370.40 converts approximately to:
  • 2015/16 ICD-10-CM H16.209 Unspecified keratoconjunctivitis, unspecified eye
Approximate Synonyms
  • Bilat keratoconjunctivitis
  • Bilat superior limbic keratoconjunctivitis
  • Bilateral keratoconjunctivitis
  • Bilateral superior limbic keratoconjunctivitis
  • Keratoconjunctivitis
  • Keratoconjunctivitis (eye condition)
  • Keratoconjunctivitis, both eyes
  • L keratoconjunctivitis
  • L superior limbic keratoconjunctivitis
  • Left keratoconjunctivitis
  • Left superior limbic keratoconjunctivitis
  • R keratoconjunctivitis
  • R superior limbic keratoconjunctivitis
  • Right keratoconjunctivitis
  • Right superior limbic keratoconjunctivitis
  • Superior limbic keratoconjunctivitis
  • Superior limbic keratoconjunctivitis, both eyes
Clinical Information
  • Simultaneous inflammation of the cornea and conjunctiva
Applies To
  • Superficial keratitis with conjunctivitis NOS
ICD-9-CM Volume 2 Index entries containing back-references to 370.40:
ICD-9-CM codes are used in medical billing and coding to describe diseases, injuries, symptoms and conditions. ICD-9-CM 370.40 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.