Home > 2009 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 2009 ICD-9-CM Diagnosis Code 370.31
Phlyctenular keratoconjunctivitis
  • Short description: PHLYCTEN KERATOCONJUNCT.
  • ICD-9-CM 370.31 is a billable medical code that can be used to indicate a diagnosis on a reimbursement claim, however, 370.31 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 2009 version of ICD-9-CM 370.31.
  • More recent version(s) of ICD-9-CM 370.31: 2010 2011 2012 2013 2014 2015.
Convert to ICD-10-CM: 370.31 converts approximately to:
  • 2015/16 ICD-10-CM H16.259 Phlyctenular keratoconjunctivitis, unspecified eye
Approximate Synonyms
  • Bilat phlyctenular keratoconjunctivitis
  • Bilat TB conjunctivitis
  • Bilat TB keratitis
  • Bilateral phlyctenular keratoconjunctivitis
  • Bilateral TB conjunctivitis
  • Bilateral TB keratitis
  • Conjunctivitis of bilateral eyes caused by mycobacterium tuberculosis
  • Conjunctivitis of left eye caused by mycobacterium tuberculosis
  • Conjunctivitis of right eye caused by mycobacterium tuberculosis
  • Keratitis due to tuberculosis
  • Keratitis of bilateral eyes caused by mycobacterium tuberculosis
  • Keratitis of left eye caused by mycobacterium tuberculosis
  • Keratitis of right eye caused by mycobacterium tuberculosis
  • L phlyctenular keratoconjunctivitis
  • Left phlyctenular keratoconjunctivitis
  • Left TB conjunctivitis
  • Left TB keratitis
  • Phlyctenular keratoconjunctivitis, both eyes
  • Phlyctenule
  • R phlyctenular keratoconjunctivitis
  • Right phlyctenular keratoconjunctivitis
  • Right TB conjunctivitis
  • Right TB keratitis
  • TB conjunctivitis
  • TB keratitis
  • Tuberculosis (TB) conjunctivitis
  • Tuberculosis (TB) keratitis
  • Tuberculosis of conjunctiva
Applies To
  • Phlyctenulosis
Use Additional
  • Use additional code for any associated tuberculosis (017.3)
ICD-9-CM Volume 2 Index entries containing back-references to 370.31:
  • Conjunctivitis (exposure) (infectious) (nondiphtheritic) (pneumococcal) (pustular) (staphylococcal) (streptococcal) NEC 372.30
    • eczematous 370.31
    • phlyctenular 370.31
    • tuberculous (see also Tuberculosis) 017.3 [370.31]
  • Keratitis (nodular) (nonulcerative) (simple) (zonular) NEC 370.9
    • phlyctenular 370.31
    • tuberculous (phlyctenular) (see also Tuberculosis) 017.3 [370.31]
  • Keratoconjunctivitis (see also Keratitis) 370.40
    • phlyctenular 370.31
    • tuberculous (phlyctenular) (see also Tuberculosis) 017.3 [370.31]
  • Keratoscleritis, tuberculous (see also Tuberculosis) 017.3 [370.31]
  • Ophthalmia (see also Conjunctivitis) 372.30
    • phlyctenular 370.31
      • with ulcer (see also Ulcer, cornea) 370.00
  • Phlyctenulosis (allergic) (keratoconjunctivitis) (nontuberculous) 370.31
    • cornea 370.31
      • with ulcer (see also Ulcer, cornea) 370.00
    • tuberculous (see also Tuberculosis) 017.3 [370.31]
  • Tuberculosis, tubercular, tuberculous (calcification) (calcified) (caseous) (chromogenic acid-fast bacilli) (congenital) (degeneration) (disease) (fibrocaseous) (fistula) (gangrene) (interstitial) (isolated circumscribed lesions) (necrosis) (parenchymatous) (ulcerative) 011.9
    • conjunctiva 017.3 [370.31]
    • cornea (ulcer) 017.3 [370.31]
    • keratoconjunctivitis 017.3 [370.31]
    • phlyctenulosis (conjunctiva) 017.3 [370.31]
  • Ulcer, ulcerated, ulcerating, ulceration, ulcerative 707.9
 370.3 ICD9Data.com 370.32 
ICD-9-CM codes are used in medical billing and coding to describe diseases, injuries, symptoms and conditions. ICD-9-CM 370.31 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 2009 ICD-9-CM Index or use the search engine at the top of this page to lookup any code.
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