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CPT 41800: Incision and Drainage of Tooth-Related Abscess/Cyst

Headline: CPT code 41800: Incision and drainage of tooth-related abscesses, cysts, or hematomas

Lead: CPT code 41800 denotes a focused oral surgical procedure to identify the affected tooth-related structure and drain an abscess, cyst, or hematoma. This service is important for resolving localized oral infections, preventing spread of infection, and managing acute pain and swelling.

What the code represents and national relevance: CPT code 41800 captures an essential minor surgical intervention in dentistry and oral and maxillofacial practice. Timely drainage of purulent collections can reduce systemic complications and limit the need for more extensive surgical or inpatient care. Nationally, accurate coding of these procedures supports appropriate clinical documentation, outpatient surgical workflows, and payment consistency across payers.

Key payers covered: Analysis typically considers common commercial and public payers, including Aetna, Blue Cross Blue Shield, Cigna Health, UnitedHealthcare, and Medicare.

What readers will learn: The publication provides clinical context for the procedure, typical sites of service and service type, common billing modifiers and coding considerations (when available), and reference benchmarks where applicable. It also outlines implications for documentation and claim submission. Data not available in the input is noted where applicable.

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Billing Code Overview

CPT code 41800 describes a surgical procedure in which the provider locates the tooth-related structure affected by an infection or collection and performs drainage of an abscess, cyst, or hematoma. This procedure is a minor oral surgical intervention aimed at removing purulent material or other fluid collections to relieve infection and pressure.

Service type: Oral surgical procedure involving incision and drainage of intraoral or periapical collections
Typical site of service: Dental office or ambulatory surgical setting (oral surgery clinic)

Data not available in the input.

Find policies, billing codes, payers, states, and providers

CPT 41800: Incision and Drainage of Tooth-Related Abscess/Cyst

Headline: CPT code 41800: Incision and drainage of tooth-related abscesses, cysts, or hematomas

Key payers covered: Analysis typically considers common commercial and public payers, including Aetna, Blue Cross Blue Shield, Cigna Health, UnitedHealthcare, and Medicare.

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Billing Code Overview

Service type: Oral surgical procedure involving incision and drainage of intraoral or periapical collections
Typical site of service: Dental office or ambulatory surgical setting (oral surgery clinic)

Data not available in the input.

Clinical & Coding Specifications

Clinical Context

A 34-year-old patient presents to an outpatient oral surgery clinic with localized swelling, pain, and fluctuance adjacent to a mandibular molar after recent failed endodontic therapy. Examination reveals erythema, tenderness, and purulent drainage on palpation. The provider identifies the affected tooth-related structure, administers local anesthesia, incises and drains the abscess, irrigates the pocket, and places a packing or schedules definitive dental treatment (extraction or root canal revision) as appropriate. Typical workflow includes history and focused oral exam, periapical radiograph if indicated, informed consent, anesthetic administration, incision and drainage of the odontogenic abscess or hematoma, documentation of amount and character of drainage, wound care instructions, and postoperative antibiotics or analgesics as indicated. This procedure is commonly performed in an oral and maxillofacial surgery clinic, dental office with surgical capabilities, or ambulatory surgical center when deeper or complex drainage is required. Emergency department presentation with facial swelling and systemic signs (fever, elevated white blood cell count) may also prompt the same procedure prior to admission or referral.

Coding Specifications

Modifier	Description	When to Use
`25`	Significant, separately identifiable evaluation and management service by the same physician on the same day of the procedure	Use when a distinct E/M visit is provided on the same day as the incision and drainage for unrelated or separately identifiable issues.
`52`	Reduced services	Use when the procedure is partially reduced or not completed as described by the full code.
`53`	Discontinued procedure	Use when the procedure is started but halted due to patient condition or safety concerns.
`59`	Distinct procedural service	Use to indicate a separate, distinct procedure was performed in a different anatomical site or session on the same day.
`76`	Repeat procedure by same physician (note: `76` not in provided list; use closest available `77`/`58` alternatives)	Data not available in the input.
`78`	Unplanned return to the operating/procedure room by the same physician following initial procedure for a related procedure during the postoperative period	Use when the patient requires a return to the procedure room for additional drainage or management related to the initial procedure.
`50`	Bilateral procedure	Use when incision and drainage are performed bilaterally on paired tooth-related sites.
`22`	Increased procedural services	Use when work required to perform the procedure is substantially greater than typically required.
`23`	Unusual anesthesia — when general anesthesia is medically necessary and no anesthesia code is reported	Use when the procedure required general anesthesia for medical reasons in a dental or OR setting.
`51`	Multiple procedures	Use when incision and drainage is performed in conjunction with other procedures on the same day by the same provider.
`59`	Distinct procedural service	See above — avoid duplication when also using modifier list; applies for separate anatomic sites.
`LT`	Left side	Use to indicate the left side when laterality is relevant.
`RT`	Right side	Use to indicate the right side when laterality is relevant.

Taxonomy Code	Specialty	Notes
122300000X	Oral and Maxillofacial Surgery	Primary specialty performing surgical drainage of dental abscesses and related odontogenic infections.
1223P0001X	Oral Surgery (Dentist)	Dental surgeons in outpatient settings frequently perform I&D of periapical or periodontal abscesses.
1223000003X	Dental Public Health	May be involved in triage and referral but less commonly performs operative drainage.
207L00000X	Emergency Medicine	ED physicians may perform incision and drainage for acute presentations prior to transfer or outpatient follow-up.

Related Diagnoses

ICD-10 Code	Description	Clinical Relevance
`K04.7`	Periapical abscess with sinus	Represents a tooth-related abscess that commonly requires incision and drainage or root canal therapy.
`K04.6`	Periapical abscess without sinus	Acute localized abscess amenable to incision and drainage of the tooth-related structure.
`K12.2`	Cellulitis and abscess of mouth	Soft-tissue infection that may require drainage when fluctuant or to control spread.
`K08.4`	Periapical cyst	Cystic lesions associated with nonvital teeth that may require drainage or surgical management.
`K04.5`	Pulpitis	Inflamed pulp can progress to abscess formation necessitating drainage procedures.
`L03.219`	Cellulitis of face, unspecified	Facial cellulitis secondary to odontogenic infection that may require procedural drainage in severe cases.
`T81.4`	Infection following a procedure, not elsewhere classified	Relevant for post-procedural abscesses or hematomas related to dental interventions requiring drainage.

Related CPT Codes

CPT Code	Description	Relationship to This Procedure
`41800`	Incision and drainage of abscess, cyst or hematoma of tooth-related structures	Primary procedure that identifies the affected tooth-related structure and drains the lesion.
`41820`	Excision of lesion of floor of mouth or ventral tongue, simple	May be performed if the odontogenic infection extends into adjacent soft tissues requiring excision.
`41826`	Excision of lesion of floor of mouth or ventral tongue, complex	For more extensive soft-tissue involvement or deeper fascial space infections requiring complex excision.
`42440`	Excision of tumor, benign, of salivary gland (minor)	May be relevant when the differential includes salivary gland involvement requiring diagnostic excision in the same operative session.
`21099`	Unlisted procedure, mandibular or maxillofacial bones, teeth, or supporting structures	Used when a procedure related to tooth structures is performed that does not have an exact CPT match; sometimes used for atypical drainage approaches.

CPT 41805: Dentoalveolar Soft Tissue Foreign Body Removal

CPT-41806-DENTOALVEOLAR-BONE-FOREIGN-BODY-REMOVAL

CPT 41806: Dentoalveolar Bone Foreign Body Removal

References

1.CPT® Codes and Descriptions. AAPC. Retrieved Jul 29, 2026.
2.HCPCS Quarterly Update. Centers for Medicare & Medicaid Services (CMS). Retrieved Jul 29, 2026.
3.ICD-10-CM Full Code List. Centers for Medicare & Medicaid Services (CMS). Retrieved Jul 29, 2026.

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Trek Health powers OpenPayer with a leading commercial payer intelligence platform, seamlessly converting fragmented payer data into actionable insights for provider organizations.

Trek Health ingests and normalizes Transparency in Coverage data and payer policy updates to give provider organizations a clear view of how commercial reimbursement behaves across markets, payers, and services. Our platform transforms raw payer disclosures into structured intelligence that supports contract evaluation, payer negotiations, and service line strategy. By combining market benchmarks with ongoing policy visibility, Trek helps teams identify variability, risk, and opportunity in commercial reimbursement. The result is faster insight, stronger negotiating positions, and more informed financial decisions.

Clinical & Coding Specifications

Clinical Context

Coding Specifications

Modifier	Description	When to Use
`25`	Significant, separately identifiable evaluation and management service by the same physician on the same day of the procedure	Use when a distinct E/M visit is provided on the same day as the incision and drainage for unrelated or separately identifiable issues.
`52`	Reduced services	Use when the procedure is partially reduced or not completed as described by the full code.
`53`	Discontinued procedure	Use when the procedure is started but halted due to patient condition or safety concerns.
`59`	Distinct procedural service	Use to indicate a separate, distinct procedure was performed in a different anatomical site or session on the same day.
`76`	Repeat procedure by same physician (note: `76` not in provided list; use closest available `77`/`58` alternatives)	Data not available in the input.
`78`	Unplanned return to the operating/procedure room by the same physician following initial procedure for a related procedure during the postoperative period	Use when the patient requires a return to the procedure room for additional drainage or management related to the initial procedure.
`50`	Bilateral procedure	Use when incision and drainage are performed bilaterally on paired tooth-related sites.
`22`	Increased procedural services	Use when work required to perform the procedure is substantially greater than typically required.
`23`	Unusual anesthesia — when general anesthesia is medically necessary and no anesthesia code is reported	Use when the procedure required general anesthesia for medical reasons in a dental or OR setting.
`51`	Multiple procedures	Use when incision and drainage is performed in conjunction with other procedures on the same day by the same provider.
`59`	Distinct procedural service	See above — avoid duplication when also using modifier list; applies for separate anatomic sites.
`LT`	Left side	Use to indicate the left side when laterality is relevant.
`RT`	Right side	Use to indicate the right side when laterality is relevant.

Taxonomy Code	Specialty	Notes
122300000X	Oral and Maxillofacial Surgery	Primary specialty performing surgical drainage of dental abscesses and related odontogenic infections.
1223P0001X	Oral Surgery (Dentist)	Dental surgeons in outpatient settings frequently perform I&D of periapical or periodontal abscesses.
1223000003X	Dental Public Health	May be involved in triage and referral but less commonly performs operative drainage.
207L00000X	Emergency Medicine	ED physicians may perform incision and drainage for acute presentations prior to transfer or outpatient follow-up.

Related Diagnoses

ICD-10 Code	Description	Clinical Relevance
`K04.7`	Periapical abscess with sinus	Represents a tooth-related abscess that commonly requires incision and drainage or root canal therapy.
`K04.6`	Periapical abscess without sinus	Acute localized abscess amenable to incision and drainage of the tooth-related structure.
`K12.2`	Cellulitis and abscess of mouth	Soft-tissue infection that may require drainage when fluctuant or to control spread.
`K08.4`	Periapical cyst	Cystic lesions associated with nonvital teeth that may require drainage or surgical management.
`K04.5`	Pulpitis	Inflamed pulp can progress to abscess formation necessitating drainage procedures.
`L03.219`	Cellulitis of face, unspecified	Facial cellulitis secondary to odontogenic infection that may require procedural drainage in severe cases.
`T81.4`	Infection following a procedure, not elsewhere classified	Relevant for post-procedural abscesses or hematomas related to dental interventions requiring drainage.

Related CPT Codes

CPT Code	Description	Relationship to This Procedure
`41800`	Incision and drainage of abscess, cyst or hematoma of tooth-related structures	Primary procedure that identifies the affected tooth-related structure and drains the lesion.
`41820`	Excision of lesion of floor of mouth or ventral tongue, simple	May be performed if the odontogenic infection extends into adjacent soft tissues requiring excision.
`41826`	Excision of lesion of floor of mouth or ventral tongue, complex	For more extensive soft-tissue involvement or deeper fascial space infections requiring complex excision.
`42440`	Excision of tumor, benign, of salivary gland (minor)	May be relevant when the differential includes salivary gland involvement requiring diagnostic excision in the same operative session.
`21099`	Unlisted procedure, mandibular or maxillofacial bones, teeth, or supporting structures	Used when a procedure related to tooth structures is performed that does not have an exact CPT match; sometimes used for atypical drainage approaches.

CPT 41805: Dentoalveolar Soft Tissue Foreign Body Removal

CPT-41806-DENTOALVEOLAR-BONE-FOREIGN-BODY-REMOVAL

CPT 41806: Dentoalveolar Bone Foreign Body Removal

References

1.CPT® Codes and Descriptions. AAPC. Retrieved Jul 29, 2026.
2.HCPCS Quarterly Update. Centers for Medicare & Medicaid Services (CMS). Retrieved Jul 29, 2026.
3.ICD-10-CM Full Code List. Centers for Medicare & Medicaid Services (CMS). Retrieved Jul 29, 2026.

Published by

Trek Health powers OpenPayer with a leading commercial payer intelligence platform, seamlessly converting fragmented payer data into actionable insights for provider organizations.

OpenPayer

CPT 41800: Incision and Drainage of Tooth-Related Abscess/Cyst

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Billing Code Overview

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CPT 41800: Incision and Drainage of Tooth-Related Abscess/Cyst

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Billing Code Overview

Clinical & Coding Specifications

Clinical Context

Coding Specifications

Related Diagnoses

Related CPT Codes

Related Codes

References

Clinical & Coding Specifications

Clinical Context

Coding Specifications

Related Diagnoses

Related CPT Codes

Related Codes

References