MBS item

30657
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Surgical repair of one side of the abdominal wall using component separation technique with muscle releases to close the defect by moving the rectus muscles toward the center, via open or minimally invasive surgery.

Category 3 · Therapeutic procedures[Group T8 · subgroup 1](/groups/T8)

Schedule fee$1,559.40

100% benefitGP, out of hospital—

85% benefitOut of hospital—

75% benefitIn hospital$1,169.55

The schedule fee for MBS item 30657 is $1,559.40. Medicare pays $1,169.55 (75%) for a privately admitted patient in hospital. Fee effective 1 July 2026.

Gap for what you charge
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Your fee$

In hospital (private)

Medicare pays$1,169.55

Fund pays (minimum)$389.85

Patient gap$0.00

Assumes a privately admitted patient whose hospital cover includes this service. The fund must pay at least 25% of the schedule fee. Pick a fund rate below to see its no-gap or known-gap split.

Item descriptor
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Unilateral abdominal wall reconstruction with component separation, including transversus abdominus release and external oblique release for abdominal wall closure by mobilising the rectus abdominis muscles to the midline, by open or minimally invasive approach (Anaes.) (Assist.)

[Explanatory notes and rules on MBS Online ↗](https://www9.health.gov.au/mbs/fullDisplay.cfm?type=item&q=30657)

Health fund and DVA rates
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Total fee each scheme recognises for this item in hospital.

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Guides
------

- [How Medicare benefits work: schedule fees, 75%, 85% and 100%](/guides/how-medicare-benefits-work)
- [Medicare safety nets explained: original and extended (EMSN) thresholds for 2026](/guides/medicare-safety-nets)
- [In-hospital billing: the 75% benefit, the 25% fund benefit, and no-gap and known-gap schemes](/guides/in-hospital-billing-and-gap-cover)
- [Bulk billing incentives and BBPIP explained: 2026 amounts by MM area](/guides/bulk-billing-incentives)
- [The MBS multiple operation rule and surgical assistant fees](/guides/multiple-operation-rule)
- [Assignment of benefit for bulk billing: the changes from 1 July 2026](/guides/assignment-of-benefit-2026)
- [MBS telehealth rules: the eligible telehealth practitioner and phone items](/guides/mbs-telehealth-rules)
- [GP chronic condition management plans: items 965 and 967 explained](/guides/chronic-condition-management-plans)
- [Medicare billing compliance: claim time limits, records and the 80/20 rule](/guides/medicare-billing-compliance)

Data source: [Australian Government Medicare Benefits Schedule](https://www.mbsonline.gov.au/) · Record updated 1 September 2026. Health fund rates come from each fund's published schedule. Verify item descriptors, rules and fees on [MBS Online](https://www9.health.gov.au/mbs/fullDisplay.cfm?type=item&q=30657) before billing. This is a reference tool, not billing or financial advice.