MBS item

55766
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Detailed ultrasound of pelvis/abdomen at 17-22 weeks gestation in confirmed multiple pregnancy, performed by RANZCOG member/fellow when further examination is clinically indicated and no conflicting scans performed within 24 hours.

Category 5 · Diagnostic imaging services[Group I1 · subgroup 5](/groups/I1)

Schedule fee$76.55

100% benefitGP, out of hospital—

85% benefitOut of hospital$65.10

75% benefitIn hospital$57.45

The schedule fee for MBS item 55766 is $76.55. Medicare pays $65.10 (85%) out of hospital, or $57.45 (75%) for a privately admitted patient in hospital. Fee effective 1 July 2026.

Gap for what you charge
-----------------------

Your fee$

Out of hospitalIn hospital (private)

Medicare pays$65.10

Patient gap$11.45

Bulk billing means accepting $65.10 as full payment, with no gap and no extra charges. [Add incentives](/bulk-billing?item=55766)

Item descriptor
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Pelvis or abdomen, pregnancy‑related or pregnancy complication, fetal development and anatomy, ultrasound (the current ultrasound) scan of, by any or all approaches, with measurement of all parameters for dating purposes, performed by or on behalf of a medical practitioner, who is a Member or Fellow of the Royal Australian and New Zealand College of Obstetricians and Gynaecologists, if: (a) an ultrasound of the same pregnancy confirms a multiple pregnancy; and (b) the dating of the pregnancy (as confirmed by the current ultrasound) is 17 to 22 weeks of gestation; and (c) further examination is clinically indicated in the same pregnancy in which item 55759 or 55762 has been performed; and (d) the service mentioned in item 55706, 55709, 55712 or 55715 is not performed in conjunction with the current ultrasound during the same pregnancy; and (e) the current ultrasound is not performed on the same patient within 24 hours of a service mentioned in item 55757 or 55758 (NR)

[Explanatory notes and rules on MBS Online ↗](https://www9.health.gov.au/mbs/fullDisplay.cfm?type=item&q=55766)

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

StateNSWVICQLDSAWATASACTNT

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=55766) before billing. This is a reference tool, not billing or financial advice.