CCSD code L4530 – Visceral artery endarterectomy and patch repair
L4530 is the CCSD code for endarterectomy and patch repair of a visceral branch of the abdominal aorta. The surgeon removes plaque from the artery and closes it with a patch, and both steps sit inside the one code.
It sits in CCSD section 9.4.0, Abdominal Vessels. UK private medical insurers such as Bupa use it on specialist invoices, usually sent through Healthcode.
- Group
- 9 Vascular system
- Category
- Abdominal Vessels
- Section
- 9.4.0 Abdominal Vessels
- Billable
- No
- Code also known as
- visceral endarterectomy, mesenteric endarterectomy, renal artery endarterectomy, patch angioplasty of visceral artery
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Key takeaways
CCSD code L4530 is the UK private-practice code for endarterectomy and patch repair of a visceral branch of the abdominal aorta.
The patch closure is part of the descriptor, so it never goes on the claim as a separate line.
The code sits in CCSD section 9.4.0, Abdominal Vessels, beside L4600 for other open operations on a visceral branch.
Name the treated vessel in the operative note, for example the celiac axis, superior mesenteric artery or a renal artery.
Get the insurer’s authorization for L4530 before surgery, and check its published terms before billing a second procedure.
What CCSD code L4530 covers
CCSD code L4530 covers endarterectomy and patch repair of a visceral branch of the abdominal aorta. The surgeon opens the artery, removes the plaque narrowing it, and closes the opening with a patch. The code is published by the Clinical Coding & Schedule Development Group (CCSD), the body that maintains the procedure schedule UK private medical insurers use.
L4530 sits in Chapter 9 of the CCSD schedule, Vascular System, in section 9.4.0, Abdominal Vessels. Its CCSD reference is FI.028. UK insurers such as Bupa recognize the schedule, and most specialist invoices reach them electronically through Healthcode.
Our guide to Bupa CCSD codes explains how the schedule works with Bupa claims, recognition and fees.
What the procedure involves
A visceral artery endarterectomy treats atherosclerotic plaque in a major branch arising from the abdominal aorta. Common examples are the celiac axis, the superior mesenteric artery (SMA) and the renal arteries. The descriptor itself names only “visceral branch of abdominal aorta”, so it lists no fixed set of eligible vessels. The schedule also lists CCSD code L4140 for renal artery endarterectomy, so compare both descriptors when the treated vessel is a renal artery.
The operative note for an L4530 case usually records these steps:
- Vessel exposure: The surgeon exposes the target artery through a midline or retroperitoneal incision.
- Arteriotomy: The artery is opened along the narrowed segment.
- Endarterectomy: The plaque is dissected free from the vessel wall and removed to restore the lumen.
- Patch closure: The arteriotomy is closed with a patch, such as vein, bovine pericardium or a synthetic material.
- Hemostasis and closure: Flow is restored, bleeding is controlled and the wound is closed.
Closing a small artery with a primary suture line can narrow the repaired segment. A patch widens the closure instead, which is why the descriptor pairs the two steps.
Clinical indications for L4530
Surgeons perform this operation when plaque in a visceral branch restricts blood flow to the gut or the kidneys. The usual indications are:
- Chronic mesenteric ischemia: Stenosis of the celiac axis or SMA causing pain after eating, food avoidance and weight loss.
- Renovascular hypertension: Renal artery stenosis driving high blood pressure that medication does not control.
- Ischemic nephropathy: Declining kidney function caused by significant renal artery stenosis.
Insurers expect the record to show why open surgery was needed. That usually means duplex ultrasound, CT angiography or MR angiography confirming the stenosis, plus the consultant’s clinical reasoning.
What L4530 includes, and what it doesn’t
The code covers endarterectomy and patch repair of one visceral branch. The table shows where its boundary sits.
Adding a separate patch code alongside L4530 bills the same work twice. Expect the insurer to query or reject that line.
Neighboring codes in CCSD section 9.4.0
Section 9.4.0 holds a short list of abdominal vessel codes. Picking a neighbor by mistake is easy when the operative note is vague about technique. The diagram sorts them by where the surgeon worked and what was done.

The technique in the note decides the code. An open aneurysm repair with a bifurcated graft, for example, is billed as L1960 instead. For a bypass on another vascular territory, see CCSD code L1680 for axillo-bifemoral bypass. Where visceral arteries are reimplanted during an open thoracoabdominal aneurysm replacement, that reimplantation is part of CCSD L2190.
How to document L4530 correctly
The insurer reads the operative note against the descriptor. If the note doesn’t confirm both parts of the procedure, the claim is open to a query. Make sure it states these points plainly:
- Named vessel: Write “left renal artery” or “celiac axis”, not just “visceral vessel”.
- Endarterectomy: Use the word, and describe the arteriotomy and the extent of plaque removed.
- Patch material: Name the patch used, so nobody has to ask whether a patch went in.
- Findings and result: Record the stenosis found and the flow restored after the repair.
- Diagnosis: Link the operation to the indication, such as chronic mesenteric ischemia or renal artery stenosis.
Pabau, the practice management platform we build, lets a vascular practice set up operative and consent forms with required fields. Each note then records the vessel, the technique and the patch material before it can be signed off.

Pre-authorization comes before the surgery is booked
Visceral artery endarterectomy is planned inpatient surgery. UK private medical insurers generally expect the patient to get authorization before admission. Without it, the insurer may decline to pay.
The authorization request should carry:
- The exact CCSD code, L4530, and the vessel the surgeon plans to treat.
- The diagnosis and the imaging that confirms the stenosis.
- The admission date, the hospital and the treating consultant.
- Any second procedure you expect to bill, so the insurer can confirm how it will pay.
If the surgeon treats a second vessel or changes technique in theater, tell the insurer afterwards and have the authorization amended. A claim that doesn’t match its authorization is a common reason for payment to stall.
How an L4530 claim moves from surgery to payment
One admission produces several invoices, each billed against the same procedure code:
- The surgeon invoices the procedure fee under L4530, quoting the authorization number.
- The anesthetist invoices the anesthetic fee for the same procedure.
- The hospital bills the facility costs under its own agreement with the insurer.
Specialist invoices usually go through Healthcode or the insurer’s own portal. Fees depend on the insurer and your recognition status, so check the current schedule rather than relying on an old figure.
Billing more than one vessel in a sitting
Some patients need endarterectomy of two visceral branches in one operation, such as the celiac axis and the SMA. How the second procedure is paid depends on each insurer’s published terms.
- One vessel: Bill L4530 once.
- Two vessels: Check the insurer’s multiple-procedure rules before you invoice the second one.
- Authorization: Ask for an authorization that names every vessel you plan to treat.
Keep a record of what the insurer confirmed. If a line is later short-paid, you have its own answer to support an appeal.
Pro Tip
Before surgery on two visceral branches, ask the insurer in writing how it pays a second procedure in the same sitting. Save its reply on the patient record with the authorization number. If the second line is short-paid, that reply supports your appeal.
Why insurers query or reject L4530 claims
L4530 claims fail for a small set of repeating reasons. Denial management starts with spotting them before the invoice goes out.
How Pabau keeps L4530 claims complete
When a vascular claim stalls, the cause is usually paperwork. The authorization sits in an email, the operative note sits in the hospital system, and the invoice is typed up days later.
Pabau keeps those pieces on one patient record. You record the patient’s insurance policy, the case and the authorization code alongside the consent and operative note. The invoice is raised from that record, and claims management sends it to UK insurers through Healthcode and Bupa.

The result is fewer insurer queries about missing details, and faster payment for your surgical work.
Send every L4530 claim with its evidence attached
Pabau keeps the insurance policy, authorization code and operative note on one record, then sends the invoice to UK insurers through Healthcode.

Conclusion
L4530 is a narrow vascular code. Bill it only when the surgeon removed plaque from a visceral branch of the abdominal aorta and closed it with a patch. Leave the patch off the claim as a separate line.
Name the vessel in the note and match the invoice to the authorization. Check the insurer’s terms before billing a second vessel. Do that, and the insurer has little paperwork reason to query the claim.
Book a demo to see how Pabau keeps each surgical claim and its evidence on one patient record.
Continue your research
Need the full Bupa coding picture? Bupa CCSD codes explains how the CCSD schedule works with Bupa claims, recognition and fees.
Billing another vascular operation? CCSD code L1680 covers axillo-bifemoral bypass and its documentation.
Struggling with rejected claims? Denial management in healthcare sets out how to find, appeal and prevent repeat denials.
Frequently asked questions
What procedure does CCSD code L4530 describe?
CCSD code L4530 describes endarterectomy and patch repair of a visceral branch of the abdominal aorta. The surgeon removes plaque from the artery and closes the opening with a patch. Both steps sit inside the one code.
Which arteries can L4530 be used for?
The descriptor says only “visceral branch of abdominal aorta”. Common examples are the celiac axis, the superior mesenteric artery and the renal arteries. Name the treated vessel in the operative note.
Is patch repair billed separately from L4530?
No. The descriptor reads “endarterectomy and patch repair”, so the patch is already part of the code. A separate patch line bills the same work twice and invites an insurer query.
Who publishes CCSD codes?
The Clinical Coding & Schedule Development Group (CCSD) publishes the schedule. UK private medical insurers such as Bupa use it to identify procedures on specialist invoices.
Do I need pre-authorization for L4530?
UK private medical insurers generally expect authorization before planned surgery. Send the code, the vessel, the diagnosis and the supporting imaging. Amend the authorization if the operation changes in theater.
How do I bill two visceral vessels treated in one sitting?
Bill L4530 for the first vessel, then follow the insurer’s published terms for the second procedure. Rules differ between insurers, so confirm them in writing before you invoice.
What is the difference between L4530 and L4600?
L4530 covers endarterectomy with patch repair of a visceral branch. L4600 covers other open operations on a visceral branch of the abdominal aorta. The technique in the operative note decides which applies.



