CCSD code H3400 – Open excision of rectal and colon lesion

Key takeaways

CCSD code H3400 covers open excision of a lesion of the rectum and colon. UK private medical insurers such as Bupa and AXA Health use it.

H3400 sits in CCSD sub-chapter 11.6.0 Rectum/Anus, and its descriptor was widened from the rectum alone to the rectum and colon.

Transanal, perianal and endoscopic removal have their own codes, such as H4000, H4130 and H2003, so H3400 is for open surgery.

CCSD’s coding principles for H3400 cover the colectomy, rectal resection and rectal biopsy codes, so check them before claiming any of those alongside it.

Pabau, the practice management platform we build, creates insurer claims from the patient record, sends them through Healthcode and tracks each one.

CCSD code H3400: Definition and clinical scope

CCSD code H3400 is the procedure code for open excision of a lesion of the rectum and colon. It covers removing a discrete lesion, such as a polyp or tumor, through an open incision rather than through an endoscope. Like the other CCSD codes UK insurers use, it sits in a numbered sub-chapter, here 11.6.0 Rectum/Anus.

The code comes from the Clinical Coding & Schedule Development (CCSD) group, which maintains the schedule UK private insurers use. Bupa, AXA Health, Aviva and Vitality all accept CCSD codes. Its descriptor was later widened from “Open excision of lesion of rectum” to the current wording.

The open excision procedure: Clinical overview

Open excision of a rectal or colon lesion removes a discrete growth from the large bowel through an open incision. The surgeon gets direct access to the lesion and the tissue around it. The operation takes place under general anesthesia in an operating room.

Surgeons choose the open approach when a lesion is too large or awkwardly placed for endoscopic removal. It is also used when an endoscopic attempt has failed. Colorectal surgeons and general surgeons with colorectal experience perform it.

• Pre-operative assessment: Colonoscopy or imaging confirms the lesion’s size, site and likely histology.
• Anesthesia: General anesthesia, with the anesthetist billing the insurer separately from the surgeon.
• Surgical access: An open incision, usually abdominal, with the route depending on whether the lesion sits in the colon or the rectum.
• Lesion excision: Removal with clear margins where malignancy is suspected.
• Specimen handling: The lesion goes for histopathology, and the report confirms the diagnosis coded on the claim.
• Closure and recovery: Layered closure and post-operative monitoring complete the episode.

For coding, the approach is the deciding fact. H3400 describes an open operation. Transanal, perianal and endoscopic removal each have their own CCSD codes, covered below. If the operative note records one of those approaches, H3400 is the wrong code.

Clinical indications: When H3400 is performed

The ICD-10 diagnosis code on an H3400 claim must match the lesion removed. Pairing the wrong diagnosis, such as a benign polyp code for an excised cancer, is a common reason insurers query colorectal claims.

Confirm the ICD-10 sub-site with the operating surgeon before submission. Insurers check the diagnosis against the procedure, so even a sub-site error within C18.x can hold the claim for review.

H3400 vs neighboring CCSD codes

Choosing between H3400 and the codes around it comes down to two questions. Did the surgeon remove only the lesion or a section of bowel, and how did they reach it? The diagram takes them in that order, and the table after it lists each code’s descriptor.

CCSD links H3400, through its coding principles, to H1200, H4000, H4130, H4180 and the colectomy and rectal resection codes. Check those principles in the current CCSD technical guide before you claim any of them with H3400.

Pre-authorization requirements from UK insurers

UK private medical insurers generally expect the patient to get pre-authorization before planned surgery such as H3400. The authorization number goes on the claim, and it should name the procedure the surgeon performed.

Requirements vary by insurer and by policy, so confirm them before the operation date. If the plan changes, for example from an endoscopic to an open approach, tell the insurer before you claim. An authorization issued for one code does not automatically cover another.

Documentation requirements for H3400 claims

Complete documentation decides whether an H3400 claim is paid or queried. Insurers can ask for clinical records, and thin operative notes are a frequent reason for colorectal claim queries.

• Operative notes: Record the open approach, the lesion’s site and size, the excision margins and the findings. A note that only says “excision performed” will not support the code.
• Histopathology report: The report confirms the lesion type and supports the ICD-10 code on the claim. Insurers may ask for it directly.
• Correct ICD-10 pairing: Match the diagnosis to the confirmed histology. If the final histology changes the diagnosis, check whether the claim needs correcting.
• Operating room and anesthesia records: These support the hospital and anesthetist claims for the same episode.
• Pre-authorization number: The authorization reference from the insurer belongs on the claim.

How to submit an H3400 claim: Step-by-step

Submitting CCSD code H3400 correctly means gathering the codes, documents and authorization reference before the claim goes to the insurer. Each check below takes minutes and saves a query later.

1. Confirm the approach in the operative notes. The record should say the excision was open. If it records a transanal, perianal or endoscopic approach, choose that code instead.
2. Select H3400 for the surgeon’s fee. The anesthetist and the hospital send their own claims for the same episode.
3. Pair the correct ICD-10 diagnosis code. Use C20, C18.x, D12.8 or D12.x to match the histology or the pre-operative assessment.
4. Attach supporting documentation. Include the operative notes, the histology report if it is available and the authorization number.
5. Check the authorization matches. The pre-authorization should name the same procedure as the claim.
6. Submit to the insurer. Most UK insurers accept electronic claims through Healthcode, which cuts the retyping errors of paper claims.
7. Track the claim. Follow up on any queried claim promptly, because insurers set their own response deadlines.

Why H3400 claims get queried and how to prevent it

Insurers query H3400 claims for a handful of recurring reasons, and practice managers can fix most of them before submission. The table pairs each reason with the step that prevents it.

Each insurer sets its own fee for H3400, and CCSD does not set reimbursement. Check the insurer’s fee schedule, such as the Healix fee schedule, before you quote the patient.

Coding pitfalls: What H3400 does not cover

H3400 covers the open excision of a discrete lesion from the rectum or colon. Several similar operations fall outside it and take their own codes.

• Endoscopic removal: Snare excision at colonoscopy is H2003, and at sigmoidoscopy H2503. EMR and ESD of a colorectal polyp are H2350 and H2380.
• Transanal or perianal excision: A rectal lesion removed through the anus is H4000, H4130 or H4122, depending on the technique.
• Laparoscopic excision: H3400’s descriptor names an open operation. Confirm with the insurer how it wants a laparoscopic excision coded before you claim.
• Formal bowel resection: A hemicolectomy, sigmoid colectomy or anterior resection takes its own resection code. H3400 is a local excision code.
• Proctectomy: Removal of the rectum is H3382, not H3400.
• Biopsy only: If the surgeon takes tissue without removing the lesion, H4180 covers a full or partial thickness rectal biopsy.

Submitting H3400 claims to UK insurers with Pabau

Surgical practices billing H3400 tend to lose time in the same places. Authorization numbers sit in emails, invoices get typed twice and queried claims go unchased.

In Pabau’s billing software, the patient, the insurer details and the invoice sit on one record. Its claims management software builds the claim from those details and sends it through Healthcode. Your team then tracks every claim’s status in one place.

Pabau does not choose the CCSD or ICD-10 codes, so the coding decision stays with the coder. The outcome is fewer claims lost in a spreadsheet and a clear view of which insurer still owes a response.

Send cleaner H3400 claims to UK insurers

Pabau builds each claim from the patient, insurer and invoice details already on file. It sends the claim through Healthcode and tracks it until it is settled.

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Conclusion

H3400 is a narrow code: Open excision of a lesion of the rectum and colon. Endoscopic, transanal and perianal removal each have their own CCSD code, and so does a formal resection. The operative note is what proves which one applies.

Code from the note, authorize the exact procedure and match the ICD-10 code to the histology. Those three habits remove the most common reasons for an insurer query. To see how Pabau keeps CCSD claims moving through Healthcode, book a demo.

Continue your research

Need a broader view of CCSD procedure codes? Bupa CCSD codes explains how the CCSD schedule is structured and how UK insurers apply it.

Removing a colon lesion through the abdomen? CCSD code H1200 covers transabdominal excision of a colon lesion and how it differs from snare removal.

Removing a rectal lesion without an abdominal incision? CCSD code H4130 covers perianal excision of a rectal lesion, including the sigmoidoscopy.

Want fewer insurer queries on surgical claims? Claims management software shows how Pabau submits and tracks claims through Healthcode.

Removing a section of colon instead? CCSD code H0700 covers right hemicolectomy, one of the formal resections that falls outside H3400.

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