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K04.7
ICD-10-CM
Periapical Abscess

Learn about periapical abscess diagnosis, including clinical documentation, medical coding (ICD-10 K04.6, SNODENT), and treatment options. This resource covers signs and symptoms, radiographic findings, differential diagnosis, and best practices for healthcare professionals dealing with periapical infections and dental abscesses. Find information on appropriate medical terminology, clinical notes, and coding guidelines for accurate record-keeping and billing related to periapical abscess management.

Also known as

Dental Abscess
Tooth Abscess

Diagnosis Snapshot

Key Facts
  • Definition : Localized infection at tooth root tip, forming pus.
  • Clinical Signs : Throbbing tooth pain, swelling, sensitivity to hot/cold, fever, bad taste.
  • Common Settings : Dental clinics, emergency rooms, maxillofacial surgery practices.

Related ICD-10 Code Ranges

Complete code families applicable to AAPC K04.7 Coding
K04.5

Periapical abscess with sinus

Abscess around tooth root extending into sinus.

K04.4

Periapical abscess without sinus

Abscess localized around the tooth root.

K04

Diseases of pulp and periapical tissues

Includes various inflammatory conditions of tooth pulp and surrounding tissues.

Code-Specific Guidance

Decision Tree for

Follow this step-by-step guide to choose the correct ICD-10 code.

Is the periapical abscess with sinus?

  • Yes

    Is the sinus chronic?

  • No

    Code K04.6 Periapical abscess without sinus

Code Comparison

Related Codes Comparison

When to use each related code

Description
Periapical abscess
Periodontal abscess
Dental fistula

Documentation Best Practices

Documentation Checklist
  • Document chief complaint (e.g., toothache, swelling)
  • Note specific tooth number affected
  • Describe clinical findings (e.g., tenderness, mobility)
  • Include radiographic evidence (e.g., periapical radiolucency)
  • Record diagnosis: Periapical abscess (ICD-10 K04.4, K04.5, K04.6, or K04.7)

Coding and Audit Risks

Common Risks
  • Unspecified Tooth

    Coding periapical abscess without specifying the affected tooth leads to claim rejection and inaccurate data. Use appropriate K04. codes.

  • Causality Confusion

    Miscoding periapical abscess with other dental conditions can create compliance issues. Proper documentation linking the abscess is crucial.

  • Missing Documentation

    Lack of clinical evidence supporting periapical abscess diagnosis results in coding errors and potential audit failures. Detailed charting is key.

Mitigation Tips

Best Practices
  • Thorough clinical exam, imaging (ICD-10 K04.7, SNODENT)
  • Document pain onset, location, character for accurate coding
  • Pulp vitality testing, percussion, palpation for CDI specificity
  • Consider differential diagnosis, rule out other causes (compliance)
  • Antibiotic stewardship: prescribe only when indicated, document rationale

Clinical Decision Support

Checklist
  • Verify localized, severe, throbbing tooth pain
  • Confirm periapical radiolucency on imaging
  • Assess swelling, tenderness to percussion/palpation
  • Rule out periodontal abscess, other dental diagnoses
  • Document ICD-10 K04.4, SNODENT codes for accuracy

Reimbursement and Quality Metrics

Impact Summary
  • Periapical Abscess Reimbursement: ICD-10 K04.4, K04.5, K04.6 impacts MS-DRG assignment and payment.
  • Coding Accuracy: Correctly specifying laterality, acuteness, and cause maximizes reimbursement.
  • Hospital Reporting: Periapical Abscess data affects infection control metrics and quality reporting programs.
  • Quality Metrics Impact: Accurate diagnosis and treatment influence patient satisfaction scores and readmission rates.

Streamline Your Medical Coding

Let S10.AI help you select the most accurate ICD-10 codes for . Our AI-powered assistant ensures compliance and reduces coding errors.

Quick Tips

Practical Coding Tips
  • Code K04.6 for periapical abscess
  • Document tooth number
  • Confirm acute/chronic status
  • Consider I&D code
  • Check for related sinus involvement

Documentation Templates

Patient presents with chief complaint of severe, throbbing tooth pain localized to tooth number [Tooth Number], consistent with symptoms of a periapical abscess.  Pain onset reported as [Onset - e.g., gradual over several days, sudden this morning].  Patient describes the pain as [Pain Quality - e.g., sharp, dull, aching] and [Pain Intensity - e.g., mild, moderate, severe] with exacerbating factors including [Exacerbating Factors - e.g., chewing, pressure, cold].  Alleviating factors include [Alleviating Factors - e.g., pain medication].  Associated symptoms include [Associated Symptoms - e.g., swelling, fever, bad taste, difficulty swallowing, trismus].  Extraoral examination reveals [Extraoral Findings - e.g., facial swelling, lymphadenopathy].  Intraoral examination shows [Intraoral Findings - e.g., localized swelling, erythema, tenderness to palpation and percussion of tooth number [Tooth Number], mobility, presence of fistula].  Radiographic examination (periapical radiograph) reveals [Radiographic Findings - e.g., periapical radiolucency consistent with periapical abscess].  Diagnosis of periapical abscess of tooth number [Tooth Number] is made based on clinical and radiographic findings.  Differential diagnosis includes [Differential Diagnosis - e.g., periodontal abscess, pulpitis].  Treatment plan includes [Treatment Plan - e.g., incision and drainage, endodontic therapy, extraction, antibiotic therapy].  Patient education provided regarding oral hygiene, pain management, and follow-up care.  Patient understands the treatment options and consents to the proposed treatment plan.  Follow-up appointment scheduled for [Date].  ICD-10 code K04.6 assigned.  CPT codes for procedures performed will be documented upon completion.