Specific code 2007 ICD-9-CM Diagnosis Code 473.0
Chronic maxillary sinusitis
  • Short description: CHR MAXILLARY SINUSITIS.
  • ICD-9-CM 473.0 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 473.0 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 473.0.
  • More recent version(s) of ICD-9-CM 473.0: 2008 2009 2010 2011 2012 2013 2014.
Disease Synonyms
  • Maxillary sinusitis, chronic
  • Oroantral fistula
Applies To
  • Antritis (chronic)
Convert to ICD-10-CM: 473.0 converts directly to:
  • 2014 ICD-10-CM J32.0 Chronic maxillary sinusitis
ICD-9-CM Volume 2 Index entries containing back-references to 473.0:
  • Abscess (acute) (chronic) (infectional) (lymphangitic) (metastatic) (multiple) (pyogenic) (septic) (with lymphangitis) (see also Cellulitis) 682.9
    • antrum (chronic) (Highmore) (see also Sinusitis, maxillary) 473.0
    • maxilla, maxillary 526.4
      • molar (tooth) 522.5
      • premolar 522.5
      • sinus (chronic) (see also Sinusitis, maxillary) 473.0
  • Antritis (chronic) 473.0
  • Cloudy
    • antrum, antra 473.0
  • Degeneration, degenerative
    • nasal sinus (mucosa) (see also Sinusitis) 473.9
      • frontal 473.1
      • maxillary 473.0
  • Disease, diseased - see also Syndrome
    • antral (chronic) 473.0
  • Empyema (chest) (diaphragmatic) (double) (encapsulated) (general) (interlobar) (lung) (medial) (necessitatis) (perforating chest wall) (pleura) (pneumococcal) (residual) (sacculated) (streptococcal) (supradiaphragmatic) 510.9
    • antrum (chronic) (see also Sinusitis, maxillary) 473.0
    • maxilla, maxillary 526.4
      • sinus (chronic) (see also Sinusitis, maxillary) 473.0
  • Fistula (sinus) 686.9
    • alveolar
      • antrum (see also Sinusitis, maxillary) 473.0
      • process 522.7
    • antrobuccal (see also Sinusitis, maxillary) 473.0
    • antrum (see also Sinusitis, maxillary) 473.0
    • maxillary (see also Sinusitis, maxillary) 473.0
    • oral (cutaneous) 528.3
      • maxillary (see also Sinusitis, maxillary) 473.0
      • nasal (with cleft palate) (see also Cleft, palate) 749.00
    • oro-antral (see also Sinusitis, maxillary) 473.0
  • Infection, infected, infective (opportunistic) 136.9
    • antrum (chronic) (see also Sinusitis, maxillary) 473.0
    • maxilla, maxillary 526.4
      • sinus (chronic) (see also Sinusitis, maxillary) 473.0
  • Inflammation, inflamed, inflammatory (with exudation)
    • antrum (chronic) (see also Sinusitis, maxillary) 473.0
    • maxilla, maxillary 526.4
      • sinus (chronic) (see also Sinusitis, maxillary) 473.0
  • Lesion(s)
    • maxillary sinus 473.0
  • Perforation, perforative (nontraumatic)
    • antrum (see also Sinusitis, maxillary) 473.0
    • maxillary sinus (see also Sinusitis, maxillary) 473.0
  • Rhinoantritis (chronic) 473.0
  • Sequestrum
    • sinus (accessory) (nasal) (see also Sinusitis) 473.9
      • maxillary 473.0
  • Sinusitis (accessory) (nasal) (hyperplastic) (nonpurulent) (purulent) (chronic) 473.9
    • maxillary 473.0
  • Suppuration, suppurative - see also condition
    • antrum (chronic) (see also Sinusitis, maxillary) 473.0
    • maxilla, maxillary 526.4
      • sinus (chronic) (see also Sinusitis, maxillary) 473.0
ICD-9-CM codes are used in medical billing and coding to describe diseases, injuries, symptoms and conditions. ICD-9-CM 473.0 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.