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CCSD Code

CCSD code M6730 – Prostatic abscess drainage


Code Definition

M6730 is the CCSD code for drainage of prostatic abscess. Bupa, AXA Health, Aviva and other UK private insurers use it to pay the urologist who drains a confirmed abscess of the prostate.

The code covers TRUS-guided transrectal aspiration, transperineal drainage and open perineal drainage alike. It sits in Chapter 12 of the CCSD schedule, under Prostate, and pairs with ICD-10 code N41.2, abscess of prostate, as the primary diagnosis.

Group
12 Urinary system and male reproductive organs
Category
INTER 5
Subcategory
Prostate
Billable
No
Code also known as
prostate abscess drainage, incision and drainage prostate, TRUS-guided abscess aspiration, transperineal abscess drainage
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Key takeaways

Key takeaways

CCSD Code M6730 covers drainage of a prostatic abscess. Prostatectomy, biopsy and transurethral resection each have their own codes.

ICD-10 code N41.2 (abscess of prostate) is the primary diagnosis paired with M6730 on every claim.

UK private insurers, including Bupa, AXA Health, Aviva, Cigna and WPA, expect pre-authorisation before a planned drainage.

An operative note that omits the drainage approach or the imaging evidence is a common reason an M6730 claim is held or rejected.

CCSD Code M6730: Definition and clinical scope

CCSD Code M6730 is defined as “drainage of prostatic abscess” in the schedule maintained by the Clinical Coding & Schedule Development Group. UK private medical insurers, including Bupa, AXA Health, Aviva, Cigna and WPA, use this schedule to identify and pay consultant procedures.

The code applies whenever a urologist formally drains an abscess confined to, or arising from, the prostate gland. It does not cover incidental aspiration during another urological procedure. Nor does it cover drainage of peri-prostatic or pelvic collections that extend beyond the gland itself.

The descriptor is intentionally broad because drainage of a prostatic abscess can be achieved through more than one surgical approach. What unifies every M6730 claim is the confirmed diagnosis of a prostatic abscess and the deliberate intent to drain it. The operative report must reflect that intent clearly.

Within the broader Bupa CCSD code schedule, M6730 sits in Chapter 12, Urinary system and male reproductive organs, under the Prostate section. It shares that section with prostatectomy, transurethral resection and biopsy codes.

Billers unfamiliar with the chapter sometimes confuse M6730 with these neighbours, a common root cause of claim rejection. The comparison table further down sets out the distinctions.

What the procedure involves: Prostatic abscess drainage

A prostatic abscess is a focal collection of pus within the prostate parenchyma. It most commonly arises as a complication of acute bacterial prostatitis, instrumentation, or urinary retention. Left undrained, it carries a risk of pelvic sepsis.

In UK private practice, the procedure is performed or supervised by a consultant urologist on the General Medical Council (GMC) specialist register. The insurer also expects that consultant to be recognised by it before it pays the fee.

Surgical approaches and how they affect coding

This guide covers three approaches to prostatic abscess drainage. The approach shapes the operative documentation, but each one is billed as M6730.

ApproachHow it worksDocumentation notes
TRUS-guided transrectal aspirationNeedle aspiration under transrectal ultrasound guidance; minimally invasiveRecord ultrasound report, abscess dimensions, volume aspirated, and drain placement if used
Transperineal drainagePerineal needle or catheter approach under imaging guidance; avoids rectal contaminationNote the reason for choosing transperineal over transrectal (e.g. prior rectal surgery, fistula risk)
Open perineal drainageSurgical incision through the perineum; reserved for large or multiloculated abscessesFull operative report required; note abscess size, drainage method, closure, and drain type

When an anaesthetist gives a general or spinal anaesthetic, they invoice the insurer separately under their own provider number. The M6730 fee on the urologist’s invoice covers the surgical work only. The hospital bills its theatre and bed charges directly, so neither belongs on the consultant’s invoice.

ICD-10 diagnosis codes to pair with CCSD Code M6730

Every M6730 claim must carry a valid ICD-10 primary diagnosis code. The WHO ICD-10 browser lists the codes most relevant to prostatic abscess drainage.

ICD-10 codeDescriptionUse on M6730 claim?
N41.2Abscess of prostateYes. The primary diagnosis, required on every M6730 claim
A41.9Sepsis, unspecified organismSecondary. Add when septicaemia is confirmed clinically
N40Benign prostatic hyperplasiaSecondary. Add when BPH is a documented contributing condition
N41.0Acute prostatitisSecondary. Add when acute prostatitis is the antecedent condition

N41.2 is the ICD-10 code for prostatic abscess and must appear as the primary diagnosis on every claim that includes M6730. UK insurers use the diagnosis to confirm the treatment falls within the patient’s cover. Without N41.2, the claim reads as a drainage performed for an unspecified reason, which triggers review or rejection.

Add secondary codes to reflect the full clinical picture documented in the patient record. Insurers such as Bupa and AXA Health check the diagnosis against the policy terms, including any exclusion for pre-existing conditions.

Private medical insurance is built around acute conditions, but a history of chronic prostatitis can prompt questions on a moratorium policy. Record the onset and any antecedent condition clearly, so the claim is not held for clarification.

Neighbouring CCSD prostate codes: What M6730 is not

Coders working in urology billing frequently meet adjacent CCSD codes that share the word “prostate” in their descriptors. A wrong code sends the claim back, so check the descriptor in the CCSD code library before you submit.

CCSD codeDescriptor (summary)Key distinction from M6730
M6730Drainage of prostatic abscessThe correct code. It needs a confirmed abscess (N41.2) and a drainage procedure
Prostatectomy codesRemoval of part or all of the prostate glandM6730 does not involve tissue removal; drainage only
TURP codesTransurethral resection of the prostate for BPHTURP addresses obstructive BPH, not abscess; different diagnosis and technique
Prostate biopsy codesNeedle biopsy for histological diagnosisBiopsy collects tissue; M6730 drains a fluid collection. Entirely different intent

If the urologist takes a biopsy at the same sitting as the drainage, bill M6730 and the biopsy code as separate lines. An endoscopic biopsy of the prostate, for example, is M6580.

CCSD codes carry no modifiers, so check the insurer’s rules for more than one procedure at a sitting. Do not collapse both into M6730 alone, and do not bill a biopsy code alone when drainage was the primary intent.

Put together, two questions decide the consultant’s lines, and the anaesthetist and the hospital invoice separately. The chart below sets out the path.

Decision chart for CCSD code M6730
The diagnosis and the drainage settle the code, and a same-sitting biopsy adds its own line. Descriptors from the CCSD schedule; fee from Bupa’s 2026 schedule.

Documentation requirements for a successful M6730 claim

UK private insurers assess M6730 claims against the operative report and any supporting clinical notes. A claim that lacks specific detail is treated as incomplete and either held or rejected. Digital operative notes that prompt the clinician for each required field make a missing detail less likely at submission.

Pabau digital form builder with required clinical note fields
Digital forms in Pabau, the practice software we build, prompt the urologist for each required field before the M6730 claim goes out.

The operative note must contain all of the following to support a valid M6730 claim:

  • Confirmed diagnosis: The ICD-10 code N41.2 and the clinical basis for it (imaging report, culture results, or intraoperative findings confirming an abscess)
  • Surgical approach used: TRUS-guided transrectal, transperineal, or open perineal, with the rationale if the approach is non-standard
  • Imaging evidence: Reference to the ultrasound or CT report that identified the abscess, including abscess dimensions
  • Volume drained and specimen sent: Volume of pus aspirated and whether a specimen was sent for culture and sensitivity
  • Drain placement: Whether a drain or catheter was left in situ and its type
  • Anaesthesia type: General, spinal, or local, to allow correct cross-referencing with the anaesthetist’s separate invoice
  • Consultant details: The name, GMC number and insurer provider number of the urologist who performed or supervised the procedure

Pre-authorisation: What UK private insurers require for M6730

Bupa, AXA Health, Aviva, Cigna and WPA all expect pre-authorisation before a planned procedure under anaesthesia, M6730 included.

The patient usually obtains the authorisation number from their insurer, and the practice quotes it on the claim. Requirements vary by insurer and policy, so confirm cover against the patient’s current policy before the procedure date.

When the insurer asks for clinical details, have the following ready:

  1. The primary ICD-10 code: N41.2 (abscess of prostate)
  2. Any secondary diagnosis codes (e.g. A41.9 for sepsis)
  3. The CCSD procedure code: M6730
  4. A brief clinical summary confirming the abscess diagnosis and imaging evidence
  5. The proposed surgical approach and anaesthesia type
  6. The treating urologist’s GMC number and insurer provider number

A prostatic abscess often presents as an emergency, with sepsis or urinary retention. Most private medical insurance policies exclude emergency admissions, so these patients are usually treated through the NHS.

If a planned drainage moves to the private sector once the patient is stable, obtain authorisation before it goes ahead.

Common claim denials for M6730 and how to avoid them

M6730 claim rejections in UK private urology practices tend to cluster around a small set of avoidable errors. The table below maps the most frequent denial reasons to their corrective actions.

Denial reasonWhat triggers itCorrective action
Missing pre-authorisationProcedure performed without the insurer’s prior approvalSend the insurer the clinical details and ask whether it will authorise retrospectively; that decision is at its discretion
Incorrect or missing ICD-10N41.2 not listed as primary, or a non-specific prostatitis code usedResubmit with N41.2 as primary; attach the imaging report confirming the abscess
Wrong CCSD codeA prostatectomy or biopsy code submitted in error for a drainage procedureVoid the original claim; resubmit with M6730 and attach the operative report confirming drainage intent
Unbundling errorHospital or anaesthetist charges added to the consultant’s M6730 invoiceInvoice the surgical fee alone; the hospital and the anaesthetist each bill the insurer directly
Incomplete operative notesOperative report lacks drainage approach, imaging reference, or drain placement detailsSupplement with an addendum to the operative note; resubmit with the full documentation checklist complete
Consultant not recognisedThe urologist is not recognised by the patient’s insurer, or the provider number is missingConfirm recognition with the insurer before booking, and quote the provider number on every invoice

Pro Tip

Before submitting an M6730 claim, check the operative note against six points. Confirm the N41.2 diagnosis, the drainage approach, the imaging report and the volume drained. Then check the anaesthesia type and the GMC and provider numbers. A claim that fails any one of these checks is likely to come back for clarification.

Insurer fees and policy considerations for CCSD Code M6730

CCSD codes carry no single national fee. Each insurer publishes its own fee schedule against the code, in pounds sterling. M6730 sits in fee category INTER 5, and Bupa’s 2026 CCSD schedule lists £405 for the procedure. Fees change, so check the current figure in the Bupa code search or the relevant insurer’s schedule before you quote or invoice.

Key insurer-specific factors that affect M6730 reimbursement:

  • Fee maximums: Each insurer pays up to its listed fee for the procedure. If the urologist charges more, the patient may face a shortfall, unless the consultant has agreed to charge within that insurer’s schedule.
  • Insurer guidance: Bupa, AXA Health, Aviva, Cigna and WPA each publish provider guidance on claim requirements. The diagnosis and procedure on the authorisation must match the invoice for the claim to process without manual review.
  • Fee disclosure: The Competition and Markets Authority’s Private Healthcare Market Investigation Order requires consultants to give patients their fees in writing before treatment. Include any expected shortfall in that estimate.
  • Hospital and consultant lists: Some policies limit cover to listed hospitals or recognised consultants. Confirm the policy allows treatment at the chosen hospital before booking theatre time.

How Pabau supports CCSD billing for prostatic abscess drainage

Many UK urology practices still build CCSD invoices by hand, then rekey each claim into an insurer portal. That double entry is where a missing N41.2 or a wrong authorisation number creeps in.

Pabau opens each claim pre-filled from the invoice. Its claims management software sends private medical insurance claims through Healthcode to Bupa, AXA Health and other UK insurers. Pre-authorisations are stored against the patient, and the reference carries through to the claim.

Pabau claims screen sending an insurer claim through Healthcode
Pabau sends the completed M6730 invoice to the insurer through Healthcode, so the fee reaches Bupa or AXA Health without rekeying.

The claims dashboard then tracks each claim from pending to paid. When the insurer pays, the payment is matched to the invoice, so the surgical fee never sits unreconciled.

Simplify CCSD billing across your urology practice

Pabau pre-fills each claim from the invoice, carries the pre-authorisation reference through, and sends it to Bupa, AXA Health and other UK insurers via Healthcode. Your team tracks every M6730 claim from pending to paid in one dashboard.

Pabau practice management dashboard

Conclusion

M6730 turns on one fact: the urologist drained a confirmed prostatic abscess. N41.2 on the claim proves the diagnosis, and the operative note proves the drainage. When either is missing, the insurer has grounds to hold the fee.

Secure the authorisation before a planned drainage, and keep hospital and anaesthetist charges off the consultant’s invoice. Most rejections on this code come from skipping one of those steps. Book a demo to see how Pabau carries the authorisation reference from booking to a paid insurer claim.

Continue your research

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Choosing billing software for a UK practice? Best medical billing software in the UK compares the platforms that handle insurer claims and CCSD invoicing.

Frequently asked questions

What procedure does CCSD code M6730 cover?

CCSD Code M6730 covers surgical drainage of a prostatic abscess, performed via transrectal ultrasound-guided aspiration, transperineal needle drainage, or open perineal incision. It applies when the urologist’s primary intent is to drain a confirmed abscess within the prostate, not to remove tissue or take a biopsy.

What ICD-10 diagnosis code should be paired with M6730?

ICD-10 code N41.2 (abscess of prostate) is the required primary diagnosis on every M6730 claim. Secondary codes such as A41.9 (sepsis) or N40 (benign prostatic hyperplasia) may be added when clinically documented. An M6730 claim without N41.2 as the primary code is likely to be rejected.

Is pre-authorisation required for CCSD Code M6730?

Yes. Bupa, AXA Health, Aviva, Cigna and WPA expect pre-authorisation before a planned drainage under anaesthesia. The patient usually obtains the authorisation number from the insurer, and the practice quotes it on the claim. Most policies exclude emergency admissions, so an emergency drainage is usually carried out through the NHS.

Why do claims for prostatic abscess drainage get rejected?

The most common reasons are missing pre-authorisation, N41.2 missing as the primary diagnosis, and the wrong CCSD code, such as a prostatectomy or biopsy code. Hospital or anaesthetist charges on the consultant’s invoice also cause rejections. So do operative notes that omit the drainage approach, imaging reference or drain details.

Can M6730 be billed with an anaesthesia code?

Anaesthesia is not billed on the urologist’s M6730 invoice. The anaesthetist invoices the insurer separately under their own provider number. M6730 covers the urologist’s surgical fee only, and adding anaesthetic charges to it is a common cause of rejection.

What is the difference between M6730 and neighbouring CCSD prostate codes?

M6730 is specific to abscess drainage and requires a confirmed prostatic abscess (N41.2). Adjacent codes cover different clinical intentions. Prostatectomy codes involve tissue removal, TURP codes address obstructive benign prostatic hyperplasia, and biopsy codes collect tissue for histology. Using any of these in place of M6730 will produce a diagnosis-to-code mismatch and a likely rejection.

Does the surgical approach change billing for M6730?

No. TRUS-guided, transperineal and open perineal drainage are all billed as M6730, but the operative report must record the approach. CCSD codes carry no modifiers. If a biopsy is taken at the same sitting, bill its code as a separate line and check the insurer’s rules for multiple procedures.

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Anja Dodevska
Content Writer

Anja Dodevska writes about healthcare, dermatology, and the day-to-day realities of running a medical practice for Pabau. She enjoys breaking down complex topics into clear, accessible content and has a soft spot for the often-overlooked aspects of clinic life. When she's not writing, she's exploring cafes, walking her dog, or spending time with friends and family.
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