ICD-10-CM Billable Code

K04.4

Acute apical periodontitis of pulpal origin

Clinical Classification Guidelines

Inclusion Terms

  • Acute apical periodontitis NOS

Excludes Type 1

  • acute periodontitis (K05.2-)

Medical Intelligence & Overview

Acute apical periodontitis of pulpal origin is an inflammation of the tissues surrounding the apex of a tooth root, typically caused by bacterial infection stemming from dental pulp issues. This condition often results from untreated dental decay or traumatic injury to the tooth, leading to pain and potential complications if not addressed promptly. Recognized under ICD-10 code K04.4, it is classified as an acute inflammatory response in the dental region related to the pulp's health.

Causes & Symptoms

Clinical Causes: Deep dental decay that exposes the pulp chamber Trauma or injury to the tooth causing pulp damage Repeated dental procedures on the same tooth Cracked or fractured teeth allowing bacterial invasion Poor oral hygiene promoting bacterial growth in the pulp chamber Presence of bacterial infection in the pulp tissue

Key Symptoms: Sudden, severe tooth pain that may increase with biting or touch Localized swelling near the affected tooth Increased sensitivity to hot or cold stimuli Tenderness in the surrounding gum tissues Possible formation of abscess or pus in the area Persistent pain even after removal of stimuli Fever or general feeling of discomfort in some cases

Diagnostic & Treatment

Diagnosis Path: Diagnosis typically involves a clinical dental examination, assessment of symptoms, and radiographic imaging. X-rays help identify apical radiolucency indicating inflammation or abscess formation. Dentists may perform pulp vitality tests to assess pulp health and distinguish between different types of pulp and periapical conditions. These diagnostic steps allow for accurate identification of acute apical periodontitis of pulpal origin.

Treatment Protocols: Treatment generally aims to eliminate infection, relieve pain, and preserve the tooth. Common procedures include root canal therapy to remove infected pulp tissue and disinfect the root canal system, followed by sealing the canal. In some cases, antibiotics may be prescribed to control bacterial spread, especially if there's significant swelling or systemic involvement. If the tooth is severely damaged, extraction might be necessary. Pain management with over-the-counter medications can help alleviate symptoms temporarily until definitive treatment is performed.

Reimbursement claims with a date of service on or after October 1, 2015 require the use of ICD-10-CM codes.

Clinical Advice & FAQs

Billing Guidance

Is K04.4 a billable ICD-10 code?
Yes, K04.4 is a specific, billable code that can be used to indicate a diagnosis for reimbursement purposes.

Documentation

How do I report K04.4?
Clinical documentation must specify the nature of Acute apical periodontitis of pulpal origin and any associated comorbidities for accurate reporting.

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