2006 ICD-9-CM Volume 1 Diagnosis Codes Home > Diseases Of The Digestive System 520-579 > Diseases Of Oral Cavity, Salivary Glands, And Jaws 520-529 > Diseases Of Pulp And Periapical Tissues 522.* > 2006 ICD-9-CM Diagnosis 522.7 Periapical abscess with sinus View the most recent version of ICD-9-CM 522.7 An abnormal passage in the oral cavity on the gingiva. 522.7 is a specific code that can be used to specify a diagnosis 522.7 contains 16 index entries View the ICD-9-CM Volume 1 522.* hierarchy Alternate Terminology Fistula: alveolar process dental  Index entries containing 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 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 tooth, teeth (root) 522.5 with sinus (alveolar) 522.7 Fistula (sinus) 686.9 alveolar process 522.7 dental 522.7 from periapical lesion 522.7 Gumboil 522.7 Sinus - see also Fistula dental 522.7