ICD10BillableValid for clinical use
ICD-10 Code K04.7: Periapical abscess without sinus
Reviewed by HealthAssure Clinical TeamUpdated 26 May 2026
What is this code?
ICD-10 codes are diagnosis classification codes used in healthcare records, reporting, coding workflows, and billing support. This code sits within the broader ICD-10 area for Diseases of the digestive system (K00-K95).
When is it used?
- May be used when a clinician documents periapical abscess without sinus in a patient's medical record.
- May appear in hospital records, claims, referrals, and clinical documentation.
- This code can be used as a clinically usable diagnosis entry in standardized coding workflows.
What it does not mean
- A code alone does not explain severity, treatment plan, or outcome.
- A medical code should not be treated as a substitute for a doctor's diagnosis or advice.
Code hierarchy
chapter
11Diseases of the digestive system (K00-K95)
block
K00-K14Diseases of oral cavity and salivary glands
category
K04Diseases of pulp and periapical tissues
currentK04
Official coding notes
Inclusion terms
- Dental abscess without sinus
- Dentoalveolar abscess without sinus
Where you may see this code
You may see this code in hospital records, discharge summaries, insurance claims, encounter documentation, referrals, or other healthcare billing and coding records.
Related specialists
GastroenterologistGeneral Physician
Related codes
K04.0PulpitiscategoryK04.1Necrosis of pulpcodeK04.2Pulp degenerationcodeK04.3Abnormal hard tissue formation in pulpcodeK04.4Acute apical periodontitis of pulpal origincodeK04.5Chronic apical periodontitiscodeK04.6Periapical abscess with sinuscodeK04.8Radicular cystcodeK04.9Other and unspecified diseases of pulp and periapical tissuescategory
Sibling codes
K04.0PulpitisK04.1Necrosis of pulpbillableK04.2Pulp degenerationbillableK04.3Abnormal hard tissue formation in pulpbillableK04.4Acute apical periodontitis of pulpal originbillableK04.5Chronic apical periodontitisbillableK04.6Periapical abscess with sinusbillableK04.8Radicular cystbillableK04.9Other and unspecified diseases of pulp and periapical tissues
Mapped diagnoses and classifications
SNOMED_CT 109602002high
Acute apical abscess
Source: SNOMED International ICD-10 map
SNOMED_CT 109603007high
Chronic apical abscess
Source: SNOMED International ICD-10 map
SNOMED_CT 299709002high
Dental abscess
Source: SNOMED International ICD-10 map
SNOMED_CT 427898007high
Infection of tooth
Source: SNOMED International ICD-10 map
SNOMED_CT 235011009high
Migratory dental abscess
Source: SNOMED International ICD-10 map
SNOMED_CT 1370926006high
Parulis
Source: SNOMED International ICD-10 map
Coding guidelines
Compatibility
Legacy and official ICD code match exactly.
Legacy codes
K04.7
Common synonyms
Periapical abscess without sinus
Frequently asked questions
About this content
This page is prepared by HealthAssure's clinical team using official coding standards from ICD-10. AI tools assist with drafting explanations, which are then reviewed and verified by healthcare professionals for accuracy. This content is for informational purposes and does not replace professional medical advice. Meet our team.