MBS item

45503
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Microsurgical micro-arterial or micro-venous graft to restore critical blood supply, including graft harvest and all anastomoses, excluding cardiac surgery.

Category 3 · Therapeutic procedures[Group T8 · subgroup 13](/groups/T8)In hospital only (H)

Schedule fee$2,430.10

100% benefitGP, out of hospital—

85% benefitOut of hospital—

75% benefitIn hospital$1,822.60

The schedule fee for MBS item 45503 is $2,430.10. Medicare pays $1,822.60 (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$1,822.60

Fund pays (minimum)$607.50

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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Micro-arterial or micro-venous graft using microsurgical techniques, if the graft is critical for restoration of blood supply, including harvest of graft and suturing of all related anastomoses (not to be claimed in the context of cardiac surgery) (H) (Anaes.) (Assist.)

[Explanatory notes and rules on MBS Online ↗](https://www9.health.gov.au/mbs/fullDisplay.cfm?type=item&q=45503)

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=45503) before billing. This is a reference tool, not billing or financial advice.