K04.7 Periapical abscess without sinus
✓ Billable
ICD-10-CM 2026
The ICD-10-CM code for Periapical abscess without sinus is K04.7 (FY2026). It is a billable, claim-ready diagnosis code.
Classification
- Section
- K00-K14: Diseases of oral cavity and salivary glands (K00-K14)
- Category K04
- 15 codes (12 billable)
- FY2026 Status
- Stable since FY2024
Also Known As
ICD-10-CM Alphabetic Index entries that lead to K04.7:
- Parulis
- Gumboil
- Abscess (connective tissue) (embolic) (fistulous) (infective) (metastatic) (multiple) (pernicious) (pyogenic) (septic) › dental
- Abscess (connective tissue) (embolic) (fistulous) (infective) (metastatic) (multiple) (pernicious) (pyogenic) (septic) › periapical
- 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) › dentoalveolar
- Abscess (connective tissue) (embolic) (fistulous) (infective) (metastatic) (multiple) (pernicious) (pyogenic) (septic) › lateral (alveolar)
Inclusion Terms
- Dental abscess without sinus
- Dentoalveolar abscess without sinus
U.S. Hospital Utilization
- An estimated 54,780 U.S. inpatient stays in 2023 included K04.7 among the documented diagnoses.
- 9,600 stays listed it as the principal diagnosis.
Source: National Inpatient Sample (NIS), Healthcare Cost and Utilization Project (HCUP), Agency for Healthcare Research and Quality, 2016–2023. National survey-weighted estimates.
Official Coding Guidelines
Chapter 11 reserved for future expansion11. Chapter 11: Diseases of the Digestive System (K00-K95) Reserved for future guideline expansion
Source: CMS — ICD-10-CM Official Guidelines for Coding and Reporting, FY2026