MBS item

73348
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Genetic testing for asymptomatic cystic fibrosis carrier status in patients with confirmed family history of pathogenic CFTR variants and at least 6% personal risk of being a heterozygous carrier.

Category 6 · Pathology services[Group P7](/groups/P7)

Schedule fee$250.00

100% benefitGP, out of hospital—

85% benefitOut of hospital$212.50

75% benefitIn hospital$187.50

The schedule fee for MBS item 73348 is $250.00. Medicare pays $212.50 (85%) out of hospital, or $187.50 (75%) for a privately admitted patient in hospital. Fee effective 1 July 2018.

Gap for what you charge
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Your fee$

Out of hospitalIn hospital (private)

Medicare pays$212.50

Patient gap$37.50

Bulk billing means accepting $212.50 as full payment, with no gap and no extra charges. [Add incentives](/bulk-billing?item=73348)

Item descriptor
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Testing of a patient with a laboratory-established family history of pathogenic cystic fibrosis transmembrane conductance regulator variants, for the purpose of determining whether the patient is an asymptomatic genetic carrier of the pathogenic cystic fibrosis transmembrane conductance regulator variants that have been laboratory established in the family history, not being a service associated with a service to which item 73345, 73347, or 73349 applies. The patient must have a positive family history, confirmed by laboratory findings of pathogenic cystic fibrosis transmembrane conductance regulator variants, with a personal risk of being a heterozygous genetic carrier of at least 6%. (This includes family relatedness of: parents, children, full-siblings, half-siblings, grand-parents, grandchildren, aunts, uncles, first cousins, and first cousins once-removed, but excludes relatedness of second cousins or more distant relationships).

[Explanatory notes and rules on MBS Online ↗](https://www9.health.gov.au/mbs/fullDisplay.cfm?type=item&q=73348)

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=73348) before billing. This is a reference tool, not billing or financial advice.