Specific code 2007 ICD-9-CM Diagnosis Code 373.12
Hordeolum internum
  • ICD-9-CM 373.12 will be replaced by an equivalent ICD-10-CM code (or codes) when the United States transitions from ICD-9-CM to ICD-10-CM on October 1, 2015.
  • ICD-9-CM 373.12 is a billable medical code that can be used to specify a diagnosis on a reimbursement claim.
  • You are viewing the 2007 version of ICD-9-CM 373.12.
  • More recent version(s) of ICD-9-CM 373.12: 2008 2009 2010 2011 2012 2013 2014.
Disease Synonyms
  • Internal hordeolum
  • L hordeolum internum
  • L lower hordeolum internum
  • L upper hordeolum internum
  • Left hordeolum internum
  • Left lower hordeolum internum
  • Left upper hordeolum internum
  • Meibomianitis
  • Meibomitis
  • Meibomitis (inflamation of glands of eyelid)
  • Meibomitis (inflammation of glands in eyelid)
  • R hordeolum internum
  • R lower hordeolum internum
  • R upper hordeolum internum
  • Right hordeolum internum
  • Right lower hordeolum internum
  • Right upper hordeolum internum
Applies To
  • Infection of meibomian gland
Convert to ICD-10-CM: 373.12 converts approximately to:
  • 2014 ICD-10-CM H00.029 Hordeolum internum unspecified eye, unspecified eyelid
ICD-9-CM Volume 2 Index entries containing back-references to 373.12:
  • Abscess (acute) (chronic) (infectional) (lymphangitic) (metastatic) (multiple) (pyogenic) (septic) (with lymphangitis) (see also Cellulitis) 682.9
    • meibomian gland 373.12
  • Cyst (mucus) (retention) (serous) (simple)
    • meibomian (gland) (retention) 373.2
      • infected 373.12
  • Hordeolum (external) (eyelid) 373.11
    • internal 373.12
  • Infection, infected, infective (opportunistic) 136.9
    • meibomian
      • cyst 373.12
      • gland 373.12
    • Zeis' gland 373.12
  • Meibomian
    • cyst 373.2
      • infected 373.12
  • Meibomitis 373.12
  • Sty, stye 373.11
    • internal 373.12
    • meibomian 373.12
ICD-9-CM codes are used in medical billing and coding to describe diseases, injuries, symptoms and conditions. ICD-9-CM 373.12 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 2007 ICD-9-CM Index or use the search engine at the top of this page to lookup any code.