2008 ICD-9-CM Volume 1 Diagnosis Codes Home > Diseases Of The Nervous System And Sense Organs 320-389 > Disorders Of The Eye And Adnexa 360-379 > Inflammation Of Eyelids 373.* > 2008 ICD-9-CM Diagnosis 373.12 Hordeolum internum  On October 1, 2008 the 2009 ICD-9-CM codes came into effect. Therefore, this code may be out of date. The 2009 version of ICD-9-CM 373.12 can be accessed here. 373.12 is a specific code that can be used to specify a diagnosis 373.12 contains 10 index entries View the ICD-9-CM Volume 1 373.* hierarchy ICD9Data's sister site ProcedureCodes.com launches with the 2008/09 CPT® codes - read more on the ICD9Data.com blog. 373.12 also known as: Infection of meibomian gland Index entries containing 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