Specific code 2014 ICD-9-CM Diagnosis Code 522.7
Periapical abscess with sinus
  • Billable Code
  • Short description: Periapical absc w sinus.
  • ICD-9-CM 522.7 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 522.7 is a billable medical code that can be used to specify a diagnosis on a reimbursement claim.
Disease Synonyms
  • Periapical abscess w sinus tract
  • Periapical abscess with sinus tract
Applies To
  • Fistula:
    • alveolar process
    • dental
Convert to ICD-10-CM: 522.7 converts directly to:
  • 2014 ICD-10-CM K04.6 Periapical abscess with sinus
ICD-9-CM Volume 2 Index entries containing back-references to 522.7:
  • Abscess (acute) (chronic) (infectional) (lymphangitic) (metastatic) (multiple) (pyogenic) (septic) (with lymphangitis) (see also Cellulitis) 682.9
    • alveolar 522.5
      • with sinus 522.7
    • apical (tooth) 522.5
      • with sinus (alveolar) 522.7
    • dental 522.5
      • with sinus (alveolar) 522.7
    • dentoalveolar 522.5
      • with sinus (alveolar) 522.7
    • lateral (alveolar) 522.5
      • with sinus 522.7
    • maxilla, maxillary 526.4
      • molar (tooth) 522.5
        • with sinus 522.7
      • premolar 522.5
      • sinus (chronic) (see also Sinusitis, maxillary) 473.0
    • periapical 522.5
      • with sinus (alveolar) 522.7
    • root, tooth 522.5
      • with sinus (alveolar) 522.7
    • septal, dental 522.5
      • with sinus (alveolar) 522.7
    • teeth, tooth (root) 522.5
      • with sinus (alveolar) 522.7
      • supporting structures NEC 523.30
    • tooth, teeth (root) 522.5
      • with sinus (alveolar) 522.7
      • supporting structure NEC 523.30
  • Fistula (sinus) 686.9
    • alveolar
      • antrum (see also Sinusitis, maxillary) 473.0
      • process 522.7
    • dental 522.7
    • from periapical lesion 522.7
  • Gumboil 522.7
  • Sinus - see also Fistula
    • dental 522.7
ICD-9-CM codes are used in medical billing and coding to describe diseases, injuries, symptoms and conditions. ICD-9-CM 522.7 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 2014 ICD-9-CM Index or use the search engine at the top of this page to lookup any code.