CPT 42892 Reimbursement & Policy | OpenPayer

Summary & Overview

CPT 42892: Lateral Pharyngeal Wall or Piriform Sinus Resection with Closure

CPT code 42892 denotes a surgical procedure to remove part of the lateral pharyngeal wall or the piriform sinus with closure achieved by advancing the lateral and posterior pharyngeal walls. Nationally, this code represents specialized otolaryngology/head and neck surgical care used for structural disease, obstructive lesions, or selected oncologic resections where restoration of pharyngeal form is required. The code matters for hospitals and ambulatory surgical centers because it carries implications for coding specificity, resource use, and surgical case mix.

Key payers discussed include Aetna, Blue Cross Blue Shield, Cigna Health, UnitedHealthcare, and Medicare. Readers will find clinical context about the procedure, typical sites of service, and what the code represents in operative reporting. The publication also covers benchmarks and payer coverage considerations where available, and outlines policy or coding guidance updates that affect documentation and billing for complex pharyngeal procedures. Intended takeaways include clear identification of the service represented by 42892, the clinical setting in which it is typically performed, and the types of payer and policy issues that commonly accompany advanced head and neck surgical codes.

AetnaBlue Cross Blue ShieldCigna HealthUnitedHealthcareMedicareCPT 42892pharyngeal surgeryhead and neck surgeryotolaryngologysurgical procedureambulatory surgical centerhospital operating roomprocedure coding

Billing Code Overview

CPT code 42892 describes a surgical procedure in which the provider removes a portion of the lateral pharyngeal wall or piriform sinus and closes the wound by advancing the lateral and posterior pharyngeal walls. This procedure is a form of reconstructive or ablative surgery of the pharynx aimed at removing diseased or obstructive tissue and restoring pharyngeal continuity.

Service type: Surgical procedure of the pharynx involving partial lateral pharyngeal wall or piriform sinus resection and primary closure by tissue advancement.
Typical site of service: Hospital operating room or ambulatory surgical center where otolaryngology or head and neck surgical procedures are performed.

Data not available in the input for associated taxonomies, specific ICD-10 diagnoses, related codes, and service line.

Clinical & Coding Specifications

Clinical Context

A 62-year-old male with a history of recurrent aspiration and a chronic lateral pharyngeal wall defect following tumor resection presents for surgical repair. The patient has episodes of dysphagia and aspiration on thin liquids with recurrent aspiration pneumonias despite conservative measures. After multidisciplinary evaluation by otolaryngology and speech-language pathology, the surgeon plans a transoral approach to excise scarred or redundant tissue of the lateral pharyngeal wall/piriform sinus and advance the lateral and posterior pharyngeal walls to close the defect.

Preoperative workflow includes history and physical, flexible endoscopic nasopharyngoscopy with stroboscopy as needed, radiographic swallowing evaluation (modified barium swallow) to define the defect and aspiration risk, informed consent documenting risks/benefits, and anesthesia evaluation. Intraoperative steps include transoral exposure, resection of a portion of the lateral pharyngeal wall or piriform sinus, tailored tissue mobilization, and layered closure by advancing lateral and posterior pharyngeal wall tissues. Postoperative care includes airway monitoring, swallow evaluation prior to oral intake, possible short hospital observation, antibiotics if indicated, and follow-up for wound healing and functional outcomes.

Coding Specifications

Modifier	Description	When to Use
`22`	Increased procedural services	Use when work, time, or technical difficulty substantially exceeds typical for . Document specifics.

CPT 42835: Recurrent or Secondary Adenoidectomy in Children

CPT-42821-TONSILLECTOMY-ADENOIDECTOMY-AGE-12-PLUS

CPT 42821: Tonsillectomy and Adenoidectomy, Age 12 or Older

CPT-42842-TONSIL-AND-ADJACENT-STRUCTURE-ABLATIVE-RESECTION

CPT 42842: Tonsil and Adjacent Structure Ablative Resection

CPT-42844-TONSIL-AND-OROPHARYNGEAL-RESECTION-WITH-LOCAL-FLAP-CLOSURE

CPT 42844: Tonsil and Oropharyngeal Resection with Local Flap Closure

CPT-42809-PHARYNX-FOREIGN-BODY-REMOVAL

CPT 42809: Removal of Foreign Body from Pharynx

CPT-42860-TONSILLAR-REMNANT-POLYPECTOMY

CPT 42860: Removal of Tonsillar Remnants and Polyps

CPT-42806-NASOPHARYNGEAL-BIOPSY-UNKNOWN-PRIMARY-LESION

CPT 42806: Biopsy of Unknown Primary Lesion of the Nasopharynx

CPT-42845-TONSIL-AND-OROPHARYNGEAL-RESECTION-WITH-CHEST-FLAP-RECONSTRUCTION

CPT 42845: Tonsil and Oropharyngeal Resection with Chest Flap Reconstruction

CPT-42894-PHARYNGEAL-WALL-PYRIFORM-SINUS-RECONSTRUCTION-FLAP

CPT 42894: Pharyngeal Wall or Pyriform Sinus Resection with Flap Closure

CPT-42830-INITIAL-ADENOIDECTOMY-PEDIATRIC

CPT 42830: Initial Adenoidectomy in Patients Under 12 Years

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42892

Taxonomy Code	Specialty	Notes
207GX0200X	Otolaryngology	Primary specialty performing pharyngeal wall/piriform sinus resections and closures.
207L00000X	Head and Neck Surgery	Subspecialists performing complex reconstructions of pharyngeal defects.
2080P0206X	Oral and Maxillofacial Surgery	May be involved for transoral approaches or complex reconstructions.
208000000X	General Surgery	Occasionally involved in multidisciplinary head and neck procedures.
2084P0800X	Plastic and Reconstructive Surgery	Involved when flap reconstruction or complex tissue advancement is required.

ICD-10 Code	Description	Clinical Relevance
Data not available in the input.

Related CPT Codes

CPT Code	Description	Relationship to This Procedure
`31575`	Laryngoscopy, flexible or fiberoptic, with stroboscopy when performed	Preoperative diagnostic endoscopic evaluation to assess the lateral pharyngeal wall and vocal mechanism.
`92610`	Evaluation of oral and pharyngeal swallowing function; with videofluoroscopic documentation (modified barium swallow)	Objective preoperative or postoperative assessment of swallowing and aspiration.
`31505`	Laryngoscopy, direct, with biopsy	May be performed if mucosal biopsies are required during diagnostic evaluation or concurrent surgery.
`42999`	Unlisted procedure, pharynx	Use for additional nonstandard pharyngeal procedures not described by specific CPT codes performed at the same operative session.
`99100`	Anesthesia for patient of extreme age, under 1 year or over 70 years, requiring intensive monitoring	May apply to older patients requiring special anesthesia reporting when payer recognizes this code.

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