MBS item 55758 ===== Ultrasound scan of pelvis or abdomen to assess cervical length for preterm labour risk between 14–30 weeks gestation in pregnant patients with high-risk history, symptoms of threatened preterm labour, or previous cervical length <25mm before 28 weeks… Category 5 · Diagnostic imaging services[Group I1 · subgroup 5](/groups/I1) Schedule fee$22.15 100% benefitGP, out of hospital— 85% benefitOut of hospital$18.85 75% benefitIn hospital$16.65 The schedule fee for MBS item 55758 is $22.15. Medicare pays $18.85 (85%) out of hospital, or $16.65 (75%) for a privately admitted patient in hospital. Fee effective 1 July 2026. Gap for what you charge ----------------------- Your fee$ Out of hospitalIn hospital (private) Medicare pays$18.85 Patient gap$3.30 Bulk billing means accepting $18.85 as full payment, with no gap and no extra charges. [Add incentives](/bulk-billing?item=55758) Item descriptor --------------- Pelvis or abdomen, ultrasound (the current ultrasound) scan of, for cervical length assessment for risk of preterm labour, by any or all approaches, if: (a) the dating of the pregnancy (as confirmed by the current ultrasound) is between 14 and 30 weeks of gestation; and (b) any of the following apply: (i) the patient has a history indicating high risk of preterm labour or birth or second trimester fetal loss; (ii) the patient has symptoms suggestive of threatened preterm labour or second trimester fetal loss; (iii) the patient’s cervical length is less than 25 mm on an ultrasound before 28 weeks gestation; and (c) the current ultrasound is not performed on the same patient within 24 hours of a service mentioned in another item in this Subgroup (NR) [Explanatory notes and rules on MBS Online ↗](https://www9.health.gov.au/mbs/fullDisplay.cfm?type=item&q=55758) Health fund and DVA rates ------------------------- 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=55758) before billing. This is a reference tool, not billing or financial advice.