K04.7 Periapical abscess without sinus

Billable ICD-10-CM code, FY2026.

Applicable to

• Dental abscess without sinus
• Dentoalveolar abscess without sinus

MS-DRG index

Defines the logic of DRG(s) 011-013 in MDC PRE.

Approximate ICD-9-CM (GEMs)

• 522.5 Periapical abscess without sinus

Code annotations containing back-references to K04.7

Back-references to K04.7

• Type 1 Excludes: K05.2 Aggressive periodontitis ("periapical abscess (K04.7)")
• Type 2 Excludes: K12.2 Cellulitis and abscess of mouth ("periapical abscess (K04.6-K04.7)")

Diagnosis Index entries for K04.7

• Abscess (connective tissue) (embolic) (fistulous) (infective) (metastatic) (multiple) (pernicious) (pyogenic) (septic) › alveolar
• Abscess (connective tissue) (embolic) (fistulous) (infective) (metastatic) (multiple) (pernicious) (pyogenic) (septic) › apical (tooth)
• Abscess (connective tissue) (embolic) (fistulous) (infective) (metastatic) (multiple) (pernicious) (pyogenic) (septic) › dental
• Abscess (connective tissue) (embolic) (fistulous) (infective) (metastatic) (multiple) (pernicious) (pyogenic) (septic) › dentoalveolar
• Abscess (connective tissue) (embolic) (fistulous) (infective) (metastatic) (multiple) (pernicious) (pyogenic) (septic) › lateral (alveolar)
• Abscess (connective tissue) (embolic) (fistulous) (infective) (metastatic) (multiple) (pernicious) (pyogenic) (septic) › maxilla, maxillary › molar (tooth)
• Abscess (connective tissue) (embolic) (fistulous) (infective) (metastatic) (multiple) (pernicious) (pyogenic) (septic) › maxilla, maxillary › premolar
• Abscess (connective tissue) (embolic) (fistulous) (infective) (metastatic) (multiple) (pernicious) (pyogenic) (septic) › periapical
• Abscess (connective tissue) (embolic) (fistulous) (infective) (metastatic) (multiple) (pernicious) (pyogenic) (septic) › periodontal (parietal) › apical
• Abscess (connective tissue) (embolic) (fistulous) (infective) (metastatic) (multiple) (pernicious) (pyogenic) (septic) › root, tooth
• Abscess (connective tissue) (embolic) (fistulous) (infective) (metastatic) (multiple) (pernicious) (pyogenic) (septic) › septal, dental
• Abscess (connective tissue) (embolic) (fistulous) (infective) (metastatic) (multiple) (pernicious) (pyogenic) (septic) › tooth, teeth (root)
• Gumboil
• Infection, infected, infective (opportunistic) › alveolus, alveolar (process)
• Infection, infected, infective (opportunistic) › dental (pulpal origin)
• Infection, infected, infective (opportunistic) › focal › teeth (pulpal origin)
• Infection, infected, infective (opportunistic) › tooth, teeth
• Infection, infected, infective (opportunistic) › tooth, teeth › periapical
• Parulis

Nearby codes

• K04.2 Pulp degeneration
• K04.3 Abnormal hard tissue formation in pulp
• K04.4 Acute apical periodontitis of pulpal origin
• K04.5 Chronic apical periodontitis
• K04.6 Periapical abscess with sinus
• K04.7 Periapical abscess without sinus (this code)
• K04.8 Radicular cyst
• K04.9 Other and unspecified diseases of pulp and periapical tissues
• K04.90 Unspecified diseases of pulp and periapical tissues
• K04.99 Other diseases of pulp and periapical tissues