Summary & Overview
CPT 31051: Sphenoid Sinus Incision with Mucosa Stripping/Polypectomy
CPT code 31051 denotes incision of the sphenoid sinus with mucosal stripping or removal of one or more polyps. This targeted sinus surgery is a relevant procedure in otolaryngology for patients with sphenoid sinus disease or localized nasal polyps. Nationally, accurate coding for this procedure affects surgical case mix, quality reporting, and billing for specialty practices and surgery centers.
Key payers discussed include Aetna, Blue Cross Blue Shield, Cigna Health, UnitedHealthcare, and Medicare. Readers will find clinical context for when the procedure is used, typical sites of service, and the service type classification. The publication also summarizes common modifiers and ancillary coding considerations where available, and highlights benchmarks and policy implications relevant to payers and provider billing workflows.
This report provides a concise reference for clinicians, billing professionals, and policy analysts seeking clear definitions and national payer coverage context for CPT code 31051. It is intended to clarify the clinical intent of the code and outline the practical implications for hospital and ambulatory surgery billing and documentation.
Billing Code Overview
CPT code 31051 describes a surgical procedure in which the provider incises the sphenoid sinus and strips the mucosa or removes one or more polyps. This procedure is performed on the sphenoid sinus, typically as part of endoscopic sinus surgery to address chronic sinus disease or sinonasal polyps when localized to the sphenoid sinus.
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Service type: Surgical, otolaryngology (endoscopic sinus surgery)
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Typical site of service: Operating room or ambulatory surgery center, often performed under general anesthesia
Data not available in the input for associated taxonomies, ICD-10 diagnoses, and related codes.
Clinical & Coding Specifications
Clinical Context
A typical patient is an adult presenting to an otolaryngology clinic with chronic sphenoid sinus disease characterized by persistent deep-seated headaches, postnasal drainage, facial pain, or recurrent sphenoid sinus infections refractory to medical therapy (antibiotics, nasal corticosteroids, saline irrigations). Diagnostic workup includes nasal endoscopy and sinus CT imaging confirming opacification or polypoid disease localized to the sphenoid sinus. The provider schedules an endoscopic sphenoidotomy with mucosal stripping and/or polypectomy under general anesthesia in an ambulatory surgery center or hospital operating room. Intraoperative workflow includes nasal decongestion and topical anesthesia, endoscopic access to the sphenoethmoidal recess, careful incision of the sphenoid ostium, evacuation of polyps or inflamed mucosa, hemostasis, and possible placement of absorbable packing. Postoperative care includes short recovery room observation, analgesia, nasal saline irrigations, and early endoscopic follow-up visits for debridement and healing assessment. Typical payors for authorization and claims adjudication include Aetna, Blue Cross Blue Shield, Cigna Health, UnitedHealthcare, BUCA, and Medicare.
Coding Specifications
| Modifier | Description | When to Use |
|---|---|---|
11 | Provider is the emergent or initial physician | When the surgeon is the primary performing physician and the claim requires the default reporting of the primary service. |