CCSD code G7250 – Ileoanal anastomosis and pouch creation

Key takeaways

CCSD code G7250 bundles the ileoanal anastomosis and the pouch creation into one procedure code.

Ulcerative colitis that has not responded to medical therapy is the principal indication, and familial adenomatous polyposis (FAP) is the second most common.

A temporary loop ileostomy formed at the same operation is usually coded separately, so check the bundling rules in your insurer contract.

In Pabau’s practice management software, the claims management tools track insurer authorizations as cases and flag rejected claims for correction.

What is CCSD code G7250 and what does it cover?

CCSD code G7250 is the Clinical Coding and Schedule Development code for ileoanal anastomosis and creation of a pouch. In this operation, the surgeon removes the colon and rectal mucosa and fashions an ileal reservoir from the terminal ileum, most commonly a J-pouch. The pouch is then joined directly to the anal canal.

The CCSD schedule bundles the anastomosis and the pouch creation under this single code. A coder never splits the two into separate G-codes.

G7250 sits in the CCSD Abdomen chapter, listed under both Jejunum/Ileum (11.4.0) and Rectum/Anus (11.6.0). It describes the definitive, restorative procedure. That separates it from the non-restorative total proctocolectomy codes, where a permanent ileostomy is the planned outcome.

The procedure: Ileoanal anastomosis and pouch creation

The surgical sequence covered by G7250 involves four distinct operative steps that the billing coder must be able to identify in the operative note.

1. Colectomy and proctectomy: The entire colon and rectum are removed down to the level of the internal anal sphincter. The rectal mucosa is either stripped (mucosectomy) or divided at the top of the sphincter complex. The choice depends on the surgeon’s preference and the underlying diagnosis.
2. Pouch construction: The terminal ileum is fashioned into a reservoir. A J-pouch (two limbs of ileum folded and stapled) is the most common configuration in UK practice. S-pouch and W-pouch are alternatives for specific anatomical situations. The operative note must state the pouch configuration used.
3. Ileoanal anastomosis: The pouch apex is joined to the anal canal, either stapled (at the top of the sphincter) or hand-sewn (after full mucosectomy). The technique chosen should be recorded explicitly.
4. Intraoperative testing: An air-leak or saline integrity test of the anastomosis is standard practice. Its result should appear in the operative note to support the claim.

G7250 applies whatever the surgical approach. Open, laparoscopic-assisted, hand-assisted laparoscopic and robotic-assisted resections all map to the same CCSD code. If a laparoscopic case converts to open, the operative note must document the reason. The code stays the same, but the conversion note strengthens the claim record.

Clinical indications: Who needs G7250?

Two diagnoses account for most G7250 procedures in UK private practice, and two less common indications complete the list.

• Ulcerative colitis (UC) refractory to medical management: Patients with pancolitis whose biologic therapy has failed, or who face unacceptable long-term steroid dependency. ICD-10 K51-range codes support medical necessity. This is the most common indication, backed by Association of Coloproctology of Great Britain and Ireland (ACPGBI) and British Society of Gastroenterology (BSG) guidelines.
• Familial adenomatous polyposis (FAP / Gardner syndrome): Prophylactic resection before dysplastic transformation. ICD-10 D12.6 (benign neoplasm of colon, unspecified) or the FAP-specific code supports this indication.
• Indeterminate colitis: Where pathology cannot distinguish UC from Crohn’s disease with confidence, IPAA may proceed under close multidisciplinary review. Payers may request additional MDT documentation for this indication.
• Crohn’s disease (selected cases): Rarely appropriate. Most UK PMIs expect enhanced clinical justification for IPAA in Crohn’s disease and scrutinize these pre-authorization requests carefully.

The supporting diagnosis code and the clinical record evidence of failed prior therapy are the two most scrutinized elements in a G7250 pre-authorization submission.

What G7250 includes and excludes

The bundling boundary for G7250 is the point most likely to generate an incorrect claim. The table below shows what the code covers and what bills separately.

The loop ileostomy question is where billing teams most often get tripped up. Under standard CCSD conventions, a defunctioning loop ileostomy formed in the same session as G7250 is coded as a separate procedure. It has its own operative steps and its own code, and ileostomy formation sits in the schedule under codes such as G7402. However, some insurer contracts contain explicit bundling language for concurrent ileostomy formation. Always verify this against the specific PMI contract before submitting.

Related and neighboring CCSD codes

Coders working with G7250 need to know the adjacent codes for related procedures, billed either at the same admission or at a later one. The library of private practice CCSD codes lists each of them with its own billing guide.

The NHS Classifications Browser shows the OPCS-4 H04 range, which helps confirm the procedural scope. Check it when a patient moves from NHS to private care, or when an insurer asks for OPCS-4 mapping alongside CCSD codes.

Staged IPAA procedures: Coding each stage correctly

Staging the procedure across two or three admissions is common in UK colorectal practice. It is most likely when the patient is on long-term immunosuppression or acutely unwell at the time of colectomy. Each stage bills separately under its own admission, and the diagram shows which admission carries G7250 in each pattern.

Each staged admission requires its own pre-authorization from the PMI. A common error is submitting a stage-2 or stage-3 claim without referencing the original authorization number from stage 1. Quote the earlier authorization reference in the claim narrative. It establishes clinical continuity and lowers the risk of a medical-necessity re-review.

Documentation requirements for a clean G7250 claim

A G7250 claim without a complete operative note is almost always queried or denied. The operative note must address each of the following elements to count as adequate billing documentation.

• Surgical approach: Open, laparoscopic-assisted, robotic, or hand-assisted. If the approach converted intraoperatively, state the reason.
• Pouch configuration: J-pouch, S-pouch, or W-pouch, with the number of ileal limbs used and the length of each limb.
• Anastomotic technique: Stapled or hand-sewn, the height above the dentate line, and whether a mucosectomy was performed.
• Integrity test result: Document that an air-leak or saline test was performed and its outcome.
• Loop ileostomy details (if created): Site, limb chosen, and confirmation that it was defunctioning.
• Histopathology specimen: Record that the colectomy specimen was sent. The pathology report should confirm the diagnosis behind medical necessity.
• Named diagnosis with ICD-10 code: The documented indication (UC, FAP, or other) with the corresponding ICD-10 code recorded by the admitting consultant.

An operative note held digitally is quicker to send when an insurer’s medical reviewer raises a query. Pabau’s private practice claims management tools store each insurer pre-authorization as a case. If a claim comes back rejected, Pabau flags it Needs action and shows the reason so your team can correct it.

Prior authorization for G7250: What UK payers require

All major UK private medical insurers require pre-authorization before an elective G7250 procedure. Emergency presentations are handled differently, but elective IPAA almost always needs formal approval before admission. The process is broadly similar across Bupa, AXA Health, Vitality and Aviva, though evidence thresholds and turnaround times vary.

A typical pre-authorization submission for G7250 includes the following elements. Reviewing Bupa CCSD procedure codes alongside the specific insurer guidance gives billing teams a practical starting framework.

• Consultant letter: A letter from the colorectal surgeon documenting the diagnosis, the treatment history and the clinical rationale for surgery. Include prior biologic or immunosuppressive therapy where relevant.
• Endoscopy and histology reports: Confirming the extent and nature of colonic disease. Payers assessing UC claims typically require evidence of pancolitis and failed medical therapy.
• MDT documentation (Crohn’s or indeterminate colitis cases): A multidisciplinary team record supporting the decision to proceed with IPAA.
• Named procedure and CCSD code: Explicitly quote G7250 in the authorization request. Vague procedure descriptions (e.g. “bowel surgery”) are returned for clarification.
• Anticipated inpatient stay: State the expected length of stay. A major IPAA typically requires 5 to 10 hospital days, and the authorization should reflect this.

Vitality’s CCSD fee finder and the Healix fee schedule portal let billing teams check the current CCSD-mapped procedure fee before submitting. That helps set accurate patient cost expectations. Individual insurer fee schedules are negotiated with providers and may differ from published CCSD benchmark rates.

Common reasons G7250 claims are denied

Denial patterns for CCSD code G7250 cluster around five root causes. Each has a specific resolution pathway.

Surgical complications that may generate additional codes

Complications after a G7250 procedure often need separate CCSD or ICD-10 codes. They are coded at the original admission if managed before discharge, or at an unplanned readmission. Folding a complication that occurred days later into the original G7250 claim creates a bundling error. Billing a complication separately while the original claim is still open triggers duplicate-claim edits.

• Anastomotic leak: Published literature reports rates of 5 to 10% across centers, varying by approach and patient factors. A leak managed by radiologically guided drainage generates its own radiology and interventional codes at the readmission. A leak that needs re-operation takes a separate CCSD surgical code for the laparotomy or washout.
• Pouchitis: The most common long-term complication, with cumulative rates of roughly 40 to 50% at 10 years in colorectal literature. Acute pouchitis treated with antibiotics typically generates no surgical code, but record it with the appropriate ICD-10 diagnosis code. Chronic or refractory pouchitis managed endoscopically or surgically generates separate procedure codes. An abdominal pouch revision, for example, bills under H0480.
• Pouch failure requiring excision: A distinct and separately coded procedure. This must not be billed as a continuation of the original G7250 episode.
• Small bowel obstruction: A recognized complication of any pelvic surgery. If managed operatively, bill with the appropriate adhesiolysis or obstruction-release CCSD code at the relevant admission.

The documentation principle is the same in each case. Record the complication as a new clinical problem arising after the primary procedure, with its own operative or procedural note and ICD-10 complication code. It then goes on its own claim, linked to a fresh or extended authorization.

How Pabau keeps staged G7250 claims linked to their authorizations

Many colorectal practices track each IPAA stage in a spreadsheet and copy authorization numbers by hand into every claim narrative. A stage-2 claim sent without the stage-1 reference is the result when that copy step gets missed.

Pabau stores each insurer pre-authorization as a case. Attach the case when you book the admission, and its authorization code follows the appointment through to the claim. Claims are raised from the patient’s invoice and sent through Healthcode to insurers such as Bupa, AXA Health and Vitality.

Before a claim leaves the practice, Pabau’s claim validation checks it for missing or invalid details. If an insurer still rejects it, Pabau flags the claim Needs action and shows the reason. Your team corrects that claim and resubmits it, without rebuilding the whole case.

Keep every IPAA stage tied to its authorization

Pabau helps UK private practices send insurer claims, track authorizations and see why a claim was rejected.

Book a demo

Conclusion

Most G7250 claims are won or lost before the patient is admitted. Settle the loop ileostomy question against the insurer contract first, then secure the pre-authorization for the right stage.

After surgery, the operative note carries the claim. A note that names the approach, pouch configuration, anastomotic technique and integrity test answers the questions a medical reviewer would otherwise send back. On a staged case, quoting the stage-1 authorization number on each later claim keeps the episode in one piece.

Pabau holds each pre-authorization as a case attached to the booking and flags rejected claims with the reason. Book a demo to see how Pabau tracks authorizations and insurer claims for UK colorectal practices.

Continue your research

Need guidance on Bupa CCSD code requirements? Bupa CCSD procedure codes covers how Bupa applies the CCSD schedule for common procedure categories.

Weighing a restorative option without a pouch? CCSD code H0510 covers total colectomy with ileorectal anastomosis and how to bill it.

Looking up the ileostomy or reversal code for a later stage? The CCSD codes library lists each procedure code with its own billing guide.

Want fewer rejected insurer claims? Claims management software for private practices shows how Pabau raises, validates and tracks each insurer claim from the invoice.

Frequently asked questions