Otolaryngology (ENT) Billing Services

Ear, nose, and throat practices handle a wide range of care in one office. A morning can include hearing tests, sinus scopes, ear tube placement, and cerumen removal, followed by surgery in the afternoon. Each service has its own code rules, and many payers watch ENT claims closely.

ENT billing also depends on strong documentation. Sinus surgery, tonsillectomy, and balloon procedures often need proof of failed medical treatment. Many ENT practices also bill for in-office audiology and allergy services. Westmont connects ENT practices with vetted billing experts who know how to code scope procedures, surgical care, and testing so claims are supported before they go out.

Who this is for

• Otolaryngologists in solo, group, and multi-specialty practices
• Pediatric ENT surgeons
• Head and neck surgeons
• Practices with in-house audiology or allergy testing
• Surgeons who operate in ASCs and hospital outpatient departments
• Facial plastic and sleep surgery providers

What gets billed

• New and established patient visits
• Nasal endoscopy in the office
• Flexible laryngoscopy
• Ear tube placement
• Tonsil and adenoid removal
• Septum and sinus surgery
• Balloon sinus dilation
• Hearing tests and middle ear testing
• Earwax removal
• Nosebleed control
• Biopsies of the nose, throat, and neck
• Allergy testing and treatment, where offered

Commonly billed codes

Code	Type	What it covers
31231	CPT	Diagnostic nasal endoscopy
31575	CPT	Flexible scope exam of the voice box
31237	CPT	Nasal and sinus endoscopy with biopsy or polyp removal
31256	CPT	Sinus endoscopy opening the maxillary sinus
31295	CPT	Balloon dilation of the maxillary sinus opening
30520	CPT	Septoplasty to straighten the nasal septum
69436	CPT	Ear tube placement with general anesthesia
42826	CPT	Tonsil removal, age 12 and older
69210	CPT	Removal of impacted earwax
92557	CPT	Complete hearing test
92567	CPT	Middle ear pressure testing
J32.9	ICD-10-CM	Chronic sinusitis, unspecified

Note

Codes are examples for orientation, not a complete list, and do not guarantee coverage or payment. Always check current code sets and payer policy.

Billing challenges in ENT

• Bundling of endoscopy codes. Sinus endoscopy codes often include a diagnostic scope, so billing both is usually denied. A biller experienced in ENT chooses the right level and uses modifiers only when the notes support them.
• Same-day visits and scopes. A scope done during an office visit may require modifier 25 on the visit. Notes need to show a separate decision or problem. Billers review before submitting.
• Earwax removal edits. Payers often deny earwax removal when it is bundled into the visit or lacks support. Billers confirm that impacted wax was documented and whether the instrument was used.
• Sinus surgery medical necessity. Many payers expect imaging and a trial of medical treatment first. Billers attach CT findings and prior treatment notes to claims and prior authorizations.
• Septoplasty and cosmetic questions. Payers separate breathing problems from cosmetic nose work. Billers help ensure documentation shows airway obstruction when that is the reason for surgery.
• Ear tube and tonsil rules. Payers set criteria by age and number of infections. Billers confirm criteria and use the code that matches the patient's age and anesthesia type.
• In-office hearing tests. Audiology tests require specific equipment, qualified staff, and signed reports. Billers check supervision rules and payer limits.
• Balloon sinus dilation. Coverage varies widely and often requires prior approval. Billers check each payer's current policy.

How Westmont can help

• Matching you with vetted billing experts experienced in ENT and head and neck care
• End-to-end revenue cycle support, from prior authorization to payment posting
• Denial management for bundling, modifier, and medical necessity denials
• Credentialing support for new physicians and audiologists
• Review of charge capture for in-office scopes and testing

Frequently asked questions

Can I bill a nasal endoscopy and an office visit on the same day?

Often yes, if the visit was a separate, significant service beyond the decision to do the scope. Modifier 25 on the visit is commonly used. The note should show the history, exam, and decision-making separate from the scope. Payers differ, so check their policy.

Why is cerumen removal denied so often?

Payers commonly bundle it into the visit unless the wax was impacted, caused symptoms or blocked an exam, and the removal needed instruments or extra effort. Documentation should name those details. Without them, the code is likely to be denied or reduced.

Do payers cover balloon sinus dilation?

Many do, but rules vary by payer and by whether it is done alone or with other sinus surgery. Prior authorization and proof of failed medical treatment are common requirements. Check the payer's current medical policy before you schedule. The records you collect up front also help if an appeal is needed later.

What records support sinus surgery claims?

Payers usually look for CT imaging, a record of symptoms over time, and notes on medications or other treatments tried. Endoscopy findings help too. Keep these in the chart and attach them to authorization requests. Payers rarely accept a bare diagnosis, so detailed notes and reports are what make the difference.

Should an ENT practice outsource billing?

Many do, because ENT billing mixes procedures, testing, and surgery. A billing company should understand bundling, modifiers, and in-office audiology. Ask how it handles prior authorization and denial follow-up. Ask for examples of how it follows up on unpaid claims and appeals, and how often it reports results to you.

Related billing services

• Audiology
• Allergy & Immunology
• Pediatric Surgery
• Sleep Medicine
• Ambulatory Surgery Centers
• Plastic & Reconstructive Surgery