CPT 56420 Bartholin I&D Reimbursement & Policy

CPT code 56420 denotes incision and drainage of a Bartholin's gland abscess, a common minor gynecologic procedure to evacuate pus, relieve pain, and resolve localized infection. Nationally, this code is used across outpatient settings—including physician offices, outpatient clinics, and ambulatory surgery centers—and is relevant to payers, clinicians, and billing professionals because it carries implications for site-of-service determination, procedural documentation, and coverage adjudication. Key payers in the analysis include Aetna, Blue Cross Blue Shield, Cigna Health, UnitedHealthcare, and Medicare. This publication gives readers a concise clinical and billing overview of the procedure represented by CPT code 56420, summarizes typical settings of care, and outlines the payer landscape covered. Readers will find: clinical context for when the code is used; payer coverage scope and common administrative considerations; and benchmarks and policy updates that affect reimbursement and claim processing. Data not available in the input is noted where relevant, and the focus remains on practical information for coding accuracy, clinical documentation, and payer engagement at a national level.

Billing Code Overview

CPT code 56420 describes an incision and drainage procedure of a Bartholin's gland abscess. The procedure involves incising the abscess in the female external genitalia to evacuate purulent material, relieve pain, and treat local infection.

Service type: Surgical drainage / minor gynecologic procedure
Typical site of service: Office, outpatient clinic, or ambulatory surgery center depending on clinical setting and anesthesia needs

Clinical Context

A typical patient is a reproductive-age woman presenting to an urgent care clinic or emergency department with a painful, swollen vulvar mass near the introitus, fever, and purulent drainage consistent with a Bartholin gland abscess. Examination reveals a tense, fluctuant 1–4 cm labial/perivaginal mass at the 4 or 8 o'clock position of the vaginal introitus. After history and focused exam, the clinician documents the indication, obtains informed consent, performs local anesthesia (usually infiltration of lidocaine with or without epinephrine), and performs a sterile incision and drainage of the Bartholin gland abscess to evacuate purulence and relieve pain. Procedure steps commonly include preparation and draping of the perineum, anesthesia, a small incision on the mucocutaneous junction or aspiration, evacuation of pus, irrigation, and placement of a Word catheter or packing if indicated (the incision and drainage described by 56420 covers simple incision and drainage of the Bartholin gland abscess). Postprocedure instructions include wound care, analgesia, possible antibiotics if cellulitis or systemic signs exist, and follow-up with gynecology or primary care. Typical sites of service are ambulatory surgery centers, hospital emergency departments, urgent care clinics, and office-based gynecology clinics. The service type is minor surgical procedure (incision and drainage) performed in an outpatient or ED setting.

Coding Specifications

Modifier	Description	When to Use
`25`

Taxonomy Code	Specialty	Notes
`207V00000X`	Obstetrics & Gynecology	Most common specialty performing Bartholin gland I&D.
`207VP0002X`	Gynecology	Office-based gynecologists frequently perform this procedure.
`163W00000X`	Emergency Medicine	Emergency physicians commonly perform `56420` in ED settings.
`208D00000X`	Family Medicine	Family medicine physicians in urgent care or office settings also perform this procedure.
`213E00000X`	General Surgery	General surgeons may perform I&D if presenting in surgical or hospital contexts.

Related Diagnoses

ICD-10 Code	Description	Clinical Relevance
`N75.1`	Abscess of Bartholin gland	Primary diagnosis for which `56420` is performed; indicates infected Bartholin gland requiring incision and drainage.
`N75.0`	Bartholin cyst	A noninfected Bartholin duct cyst that may present similarly; differential diagnosis and sometimes managed with marsupialization (`56405`).
`N76.0`	Acute vaginitis	May be a concurrent infectious process or alternative diagnosis when vulvar pain and discharge are present.
`B95.61`	Methicillin susceptible Staphylococcus aureus as cause of disease	Used as an additional code when wound culture identifies MSSA contributing to the abscess.
`R65.20`	Severe sepsis without septic shock	Rare but relevant when systemic infection complicates a local abscess and escalates care beyond local drainage.

Related CPT Codes

CPT Code	Description	Relationship to This Procedure
`56420`	Incision and drainage of Bartholin gland(s)	Primary code describing incision and drainage of a Bartholin gland abscess — the procedure in question.
`56405`	Marsupialization of Bartholin gland	Alternative or subsequent procedure to create a permanent drainage tract when recurrent cyst/abscess is managed surgically; may follow or replace simple I&D in definitive management.
`69210`	Removal impacted cerumen (not directly related)	Data not available in the input.
`A4212`	Catheter, transurethral — not applicable	Data not available in the input.
`11042`	Debridement, subcutaneous tissue (example wound debridement)	May be billed if extensive debridement of infected tissue is required in addition to drainage.
`99024`	Postoperative follow-up visit global period	May apply for routine postoperative follow-up when payer requires separate reporting for aftercare.

OpenPayer

Summary & Overview

CPT 56420: Incision and Drainage of Bartholin's Gland Abscess