CCSD code D0280 – Removal of bony exostoses of the ear canal

Key takeaways

CCSD Code D0280 covers removal of multiple bony exostoses of the external auditory canal. A single exostosis or osteoma maps to a different code.

Cold-water exposure, known as surfer’s ear, is the leading cause. All major UK private insurers require pre-authorization before the procedure.

Bilateral cases go on the claim as two separate line items, one per ear, rather than with a modifier.

Pabau’s claims management software supports CCSD code libraries and insurer-specific billing workflows for UK private ENT practices.

CCSD Code D0280: Definition and code facts

CCSD Code D0280 is the code for surgical removal of multiple bony exostoses of the external auditory canal (EAC). Exostoses are benign bony outgrowths of the canal wall that form after repeated cold-water exposure. When two or more are removed, D0280 is the code to bill.

The code is published by the Clinical Coding and Schedule Development (CCSD) Group, which maintains the procedure schedule UK private insurers use. D0280 sits in the external ear section of chapter 5, alongside procedures such as D0140 for preauricular sinus excision.

The table below captures the key code facts coders need before submitting a claim.

What the surgery involves

The surgeon removes the bony outgrowths blocking the external auditory canal with a drill or chisel, under general anesthetic. Knowing the steps helps billing staff check that the operative note holds what insurers ask for.

• Positioning and approach: The patient lies supine with the head turned. The surgeon uses an endaural or postauricular incision, depending on how blocked the canal is and personal preference.
• Skin flap elevation: The canal skin is lifted as a flap to expose the bone beneath. It’s handled carefully so it can be laid back at closure.
• Exostosis removal: The growths are removed with a micro-drill, such as a Skeeter drill, or a chisel and mallet. The operative note must record the number, size and position of each one.
• Canal reconstruction: Where the canal was badly narrowed, the walls may be shaped to restore normal diameter. If this canalplasty is a substantial, separate component, check whether a separate code applies.
• Skin replacement and packing: The flap is laid back and the canal packed with BIPP or a similar dressing. The surgeon then inspects the tympanic membrane and confirms it is intact.
• Specimen handling: Bone fragments are rarely sent for histopathology in routine cases. Any specimen that is sent must be documented and may attract a separate pathology code.

Insurers rely on the operative note above all else when they adjudicate a D0280 claim, so each of these steps belongs in it.

Clinical indications insurers accept

D0280 is appropriate when multiple bony outgrowths in the canal cause clinically significant symptoms that conservative treatment hasn’t resolved. Private insurers generally accept these indications:

• Conductive hearing loss caused by canal obstruction
• Recurrent otitis externa caused by impaired self-cleaning of the narrowed canal
• Canal occlusion of at least two-thirds of the lumen on otoscopic examination
• Documented failure of conservative management, such as ear toilet or topical treatments
• Audiological evidence (an audiogram) supporting the degree of conductive deficit

Surfer’s ear: The main clinical context for D0280

Surfer’s ear, or EAC exostosis from cold-water exposure, accounts for most D0280 cases in UK private practice. Repeated exposure to cold water and wind stimulates new bone growth in the canal, producing multiple exostoses. Surfers, open-water swimmers, divers and kayakers are affected most often.

In a pre-authorization request, note the patient’s water-sport history and how long the exposure has lasted. Both strengthen the clinical case for surgery.

What the code includes and excludes

Knowing what D0280 bundles, and what needs its own code, prevents both underclaiming and unbundling rejections. The CCSD Technical Guide (October 2025) sets out the bundling principles across the schedule. Check you’re working from the current edition before submitting.

Neighboring ENT codes and how D0280 differs

Coders often weigh D0280 against a few nearby ENT codes. Mixing up exostosis removal with single osteoma removal or canalplasty is a common cause of rejected claims. Our index of CCSD codes covers the wider schedule, and the Bupa CCSD procedure codes reference shows which ones Bupa accepts.

The comparison below separates D0280 from its closest neighbors.

Osteoma vs exostosis: The coding distinction that matters. Exostoses are broad-based, multiple, reactive bony outgrowths linked to cold-water exposure. An osteoma is usually solitary, pedunculated and a benign bony tumor. D0280 applies to exostoses. If the note describes one pedunculated growth with no cold-water history, the osteoma code fits better, and insurers may query a D0280 claim.

ICD-10 diagnosis codes to pair with D0280

UK private insurers require an ICD-10 diagnosis code alongside the CCSD procedure code on every claim. The codes below are clinically appropriate for EAC exostosis, but payer requirements vary. Treat them as guidance and confirm with the insurer’s billing portal before submitting.

Check the Bupa code search portal and your other insurer portals to confirm their preferred ICD-10 mapping. A diagnosis code that doesn’t match the procedure is a common reason D0280 claims are denied.

Billing both ears

Bilateral EAC exostosis is common in surfer’s ear, and CCSD bills it differently from US-style coding. Each ear goes on the claim as its own D0280 line item, with no bilateral modifier. That’s a consistent CCSD convention, but payer rules can vary, so confirm with each insurer’s billing team.

• Line item 1: D0280 with laterality documented as right ear, backed by the right-ear entries in the operative note
• Line item 2: D0280 with laterality documented as left ear, backed by the left-ear entries in the operative note
• Pre-authorization: Some insurers issue one authorization covering both ears, while others want a separate reference per ear. Confirm which in writing before the procedure.
• Anesthesia coding: Anesthesia is submitted once for the single theater episode, not once per ear
• Operative note: The note must describe the findings and steps for each ear separately. A single combined description is a denial risk.

The flow below takes one operative note through the three decisions that set the claim lines.

Pre-authorization and documentation requirements

Elective ENT surgery under UK private insurance requires pre-authorization before the procedure. For D0280, that means sending the insurer clinical evidence of need for approval. Requirements vary by insurer, so check each provider portal first. The steps below reflect the general approach of major UK payers, including Aviva and Vitality Health.

1. Referral letter: A specialist or GP referral confirming the clinical indication and how long symptoms have lasted.
2. Audiogram: Pure-tone audiometry showing conductive hearing loss caused by canal obstruction.
3. Otoscopic or imaging findings: Documentation of how far the canal is blocked, ideally with a written description or a photo.
4. Conservative management record: Evidence that non-surgical treatment was tried and failed, such as ear toilet or topical antibiotics for associated otitis externa.
5. Pre-authorization reference number: The insurer-issued reference must be recorded on the claim form before submission.

Operative note minimum requirements. Beyond pre-authorization, the ENT surgeon’s operative note must contain specific elements for a D0280 claim to be adjudicated correctly. Digital operative note templates that prompt for each required field cut omission-driven denials. The note should record:

• Number of exostoses removed from each ear
• Estimated size of each exostosis, in millimeters
• Laterality: right, left, or bilateral with each side described separately
• Surgical approach used (endaural or postauricular)
• Instruments used (micro-drill, chisel, or both)
• Whether any specimen was sent for histopathology, and if so, the specimen reference
• Tympanic membrane status at the end of the procedure

Common claim denial reasons

D0280 claims are denied for a predictable set of reasons. Checking each one before submission cuts rework and speeds up payment. The table below lists the most frequent triggers and the fix for each.

How Pabau supports CCSD claims for ENT surgery

Billing D0280 usually means juggling insurer portals, a pre-authorization log and operative notes that arrive incomplete. Each handoff is a chance for a missing reference or an unrecorded ear to slip through.

Pabau, the practice management platform we build, brings that work into one place. Its claims management software holds CCSD code libraries and insurer-specific submission workflows for UK private practices.

• CCSD code library: D0280 and neighboring ENT codes are built in, so staff pick the code rather than typing it.
• Pre-authorization tracking: Each insurer reference is stored against the patient episode, so no claim goes out without one.
• Insurer-specific workflows: Submission workflows match major UK private insurers, including Bupa, AXA Health, Aviva, Vitality and WPA.
• Digital operative note templates: Structured templates prompt for every mandatory D0280 field, which cuts omission-driven denials.
• Denial tracking: Rejected claims are flagged with the denial reason recorded, ready for follow-up and resubmission.

The result is a D0280 claim that leaves the practice complete the first time, and a billing team that spends less time chasing insurers.

Send complete D0280 claims the first time

Pabau tracks pre-authorization references, prompts for every operative note field and formats claims for each UK insurer. Fewer D0280 claims come back for rework.

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Conclusion

D0280 claims are won or lost before anyone opens the claim form. If the operative note counts the exostoses, records each ear and lists what was coded separately, the claim follows from it.

So start with the note, not the claim. Build the required fields into your theater template, and confirm pre-authorization for each ear before surgery. The trade-off is a minute of the surgeon’s time at sign-off, against a rejected claim and a resubmission later.

Book a demo to see how Pabau tracks pre-authorizations and catches incomplete D0280 claims before they reach the insurer.

Continue your research

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Adding ear reshaping to your list? CCSD code D0330 walks through pinnaplasty billing.

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