Summary & Overview
CPT 42890: Partial Pharyngeal Wall Resection
CPT code 42890 codes for partial resection of the pharyngeal wall and adjacent structures, such as portions of the thyroid ala, hyoid bone, and wall of the piriform fossa. This otolaryngology procedure is clinically significant for addressing obstructive, neoplastic, or structural lesions of the hypopharynx and upper airway. Accurate coding influences hospital and ambulatory surgical center reporting, resource allocation, and national utilization monitoring.
Key payers in the national context include Aetna, Blue Cross Blue Shield, Cigna Health, UnitedHealthcare, and Medicare. Coverage and payment policies vary by payer and by site of service; clinicians and billing teams must map clinical documentation to CPT code 42890 to support claims for surgical pharyngeal resection.
Readers will find an overview of the clinical context and typical sites of service, benchmarks and utilization considerations where available, and guidance on documentation elements that support coding selection. The publication summarizes common modifiers and payer considerations generally used with complex head and neck procedures. Data not available in the input is noted where specific payer rates, associated taxonomies, and ICD-10 mappings are not provided.
Billing Code Overview
CPT code 42890 describes a surgical procedure in which the provider removes part of the pharyngeal wall. The removal can include portions of the thyroid ala, the hyoid bone, and the wall of the piriform fossa.
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Service type: Surgical resection of pharyngeal wall structures, involving partial removal of adjacent bony/cartilaginous elements
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Typical site of service: Hospital operating room or ambulatory surgical center, performed by an otolaryngologist or head and neck surgeon
Clinical & Coding Specifications
Clinical Context
A typical patient is an adult referred to otolaryngology for a symptomatic benign or malignant lesion of the hypopharynx or lateral pharyngeal wall causing dysphagia, aspiration, airway compromise, or suspected neoplasm. Preoperative workup includes history and physical, flexible laryngopharyngoscopy, contrast-enhanced neck CT or MRI, and biopsy results when feasible. The procedure described by 42890 (partial pharyngectomy, including possible removal of part of the thyroid ala, hyoid bone, and piriform fossa wall) is performed under general anesthesia in an operating room. Intraoperative steps commonly include orotracheal intubation, direct laryngoscopy for exposure, resection of involved pharyngeal wall with margins, hemostasis, and possible reconstruction with local flap or free tissue transfer. Postoperative workflow includes airway monitoring in PACU or ICU as indicated, pain control, swallowing assessment, modified diet or enteral feeding if needed, and pathology review to guide adjuvant therapy. Coordination with medical oncology and radiation oncology occurs when malignancy is confirmed.
Coding Specifications
| Modifier | Description | When to Use |
|---|---|---|
22 | Increased procedural services | Use when work, time, and complexity significantly exceed typical for 42890. |