Home > 2012 ICD-9-CM Diagnosis Codes > Diseases Of The Nervous System And Sense Organs 320-389 > Disorders Of The Eye And Adnexa 360-379 > Keratitis 370-
Specific code 2012 ICD-9-CM Diagnosis Code 370.40
Keratoconjunctivitis, unspecified
  • Short description: Keratoconjunctivitis NOS.
  • 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).
  • You are viewing the 2012 version of ICD-9-CM 370.40.
  • More recent version(s) of ICD-9-CM 370.40: 2013 2014 2015.
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
Applies To
  • Superficial keratitis with conjunctivitis NOS
ICD-9-CM Volume 2 Index entries containing back-references to 370.40:
 370.4 ICD9Data.com 370.44 
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 2012 ICD-9-CM Index or use the search engine at the top of this page to lookup any code.
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