CPT 45386 Colonoscopic Balloon Dilation Reimbursement | OpenPayer

Summary & Overview

CPT 45386: Colonoscopic Balloon Dilation of Colonic Stricture

CPT code 45386 designates colonoscopic balloon dilation of one or more strictures in the colon or rectum. The procedure combines visualization of the colonic mucosa with therapeutic balloon dilation delivered through the working channel of a colonoscope to restore luminal diameter. Nationally, this code is important for managing symptomatic colonic strictures from a range of causes and for coding endoscopic therapeutic interventions distinct from purely diagnostic colonoscopy.

Key payers discussed include Aetna, Blue Cross Blue Shield, Cigna Health, UnitedHealthcare, and Medicare. Readers will find a concise overview of the clinical context for using this code, typical sites of service (ambulatory endoscopy suites, hospital outpatient departments, or inpatient settings), and common billing considerations tied to endoscopic therapeutic services. The publication will also cover benchmarking and reimbursement policy considerations, coding relationships to other endoscopic procedures, and operational implications for endoscopy practices. Data not available in the input will be noted where applicable.

AetnaBlue Cross Blue ShieldCigna HealthUnitedHealthcareMedicare45386CPTcolonoscopyballoon dilationendoscopygastroenterologytherapeutic procedureoutpatient surgery

Billing Code Overview

CPT code 45386 describes a colonoscopic procedure in which the provider uses a colonoscope to inspect the inner surface of the colon and rectum and then introduces a balloon catheter through the scope to dilate one or more strictured (narrowed) segments. This is a diagnostic and therapeutic endoscopic service focused on relieving luminal narrowing caused by benign or malignant strictures.

Service type: Endoscopic therapeutic procedure (colonoscopic balloon dilation)
Typical site of service: Ambulatory endoscopy suite, hospital outpatient department, or inpatient hospital setting depending on clinical context and patient acuity.

Data not available in the input.

Clinical & Coding Specifications

Clinical Context

A 58-year-old patient with a history of radiation therapy for pelvic malignancy presents with progressive painless rectal bleeding and intermittent crampy abdominal pain. Colonoscopy is performed in an outpatient endoscopy suite under monitored anesthesia care. During inspection with a colonoscope the endoscopist identifies a short segment colonic stricture in the sigmoid colon that is traversable with the scope but causes intermittent obstruction symptoms. The provider elects to perform endoscopic balloon dilation using a through-the-scope balloon catheter to dilate the narrowed segment. The procedure includes pre-procedure informed consent, sedation and monitoring, endoscopic inspection, balloon catheter placement and graded inflation to achieve luminal patency, and post-procedure observation for immediate complications such as perforation or bleeding. Typical documentation includes indication, informed consent, anesthesia type and provider, location and number of strictures dilated, balloon size(s), inflation pressures and durations, immediate findings, and post-procedure instructions.

Coding Specifications

Modifier	Description	When to Use
`11`	Office or other outpatient service, normal level	When reporting a procedure performed in an outpatient/endoscopy setting without special circumstances beyond routine.
`22`

CPT 45307: Lower GI Proctosigmoidoscopy

CPT-45335-FLEXIBLE-ENDOSCOPE-SUBMUCOSAL-INJECTION-SIGMOID-RECTUM

CPT 45335: Flexible Endoscope with Submucosal Injection, Rectum/Sigmoid

CPT-45340-FLEXIBLE-SIGMOIDOSCOPY-BALLOON-DILATION-STRICTURE

CPT 45340: Flexible Sigmoidoscopy with Balloon Dilation of Colonic Stricture

CPT-45305-PROCTOSIGMOIDOSCOPY-WITH-BIOPSY

CPT 45305: Proctosigmoidoscopy with Biopsy

CPT-45382-COLONOSCOPY-ENDOSCOPIC-CONTROL-OF-COLONIC-BLEEDING

CPT 45382: Colonoscopy with Endoscopic Control of Colonic Bleeding

CPT-45303-PROCTOSIGMOIDOSCOPY-WITH-STRICTURE-DILATION

CPT 45303: Proctosigmoidoscopy with Stricture Dilation

CPT-45349-FLEXIBLE-SIGMOIDOSCOPIC-MUCOSAL-RESECTION

CPT 45349: Flexible Sigmoidoscopic Mucosal Resection

CPT-45391-COLON-ENDOSCOPIC-ULTRASOUND-EUS

CPT 45391: Colon Endoscopic Ultrasound (EUS)

CPT-45341-FLEXIBLE-SIGMOIDOSCOPY-WITH-ENDOLUMINAL-ULTRASOUND

CPT 45341: Flexible Sigmoidoscopy with Endoluminal Ultrasound

45331-SIGMOIDOSCOPY-FLX-WBIOPSY

CPT 45331: Flexible Sigmoidoscopy with Biopsy

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Taxonomy Code	Specialty	Notes
207L00000X	Gastroenterology	Most common specialty performing colonoscopic balloon dilation.
207RX0400X	Colon & Rectal Surgery	Specialists who may manage complex strictures or surgical indications.
2086S0124X	General Surgery	General surgeons who perform endoscopic procedures in select settings.
363LP0800X	Anesthesiology	Providers administering monitored anesthesia care or general anesthesia for the case.

Related Diagnoses

ICD-10 Code	Description	Clinical Relevance
`K50.012`	Crohn disease of small intestine with intestinal obstruction	Inflammatory strictures from Crohn disease may require endoscopic dilation.
`K51.012`	Ulcerative (chronic) pancolitis with intestinal obstruction	Chronic IBD-related narrowing can present with obstructive symptoms managed by dilation.
`K57.30`	Diverticulosis of large intestine without perforation or abscess	Segments with chronic inflammation/scarring can produce strictures amenable to dilation.
`K62.5`	Rectal stricture, unspecified	Direct diagnosis indicating stricture location treated with balloon dilation.
`C77.5`	Secondary and unspecified malignant neoplasm of large intestine	Malignant or post-radiation strictures may be palliatively dilated to relieve obstruction.

Related CPT Codes

CPT Code	Description	Relationship to This Procedure
`45378`	Colonoscopy, flexible; with biopsy, single or multiple	Often performed during the same session when mucosal biopsies are needed to evaluate stricture etiology.
`45380`	Colonoscopy, flexible; with directed submucosal injection, any substance	May be used when adjunctive injection therapy is required near a stricture.
`45385`	Colonoscopy, flexible; with placement of stent in the colon, endoscopic	Alternative or adjunct when dilation is insufficient and endoluminal stent placement is indicated.
`44388`	Colonoscopy through stoma; with dilation of stricture	Performed for patients with an enterostomy where dilation is required via the stoma.
`99152`	Moderate sedation services provided by the same physician performing the procedure (initial 15 minutes)	Reported when the endoscopist personally administers moderate sedation (verify payer rules).

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