MBS item 66833 ===== Serum 25-hydroxyvitamin D test for patients with suspected vitamin D deficiency due to symptoms (osteoporosis, rickets), malabsorption, limited sun exposure, relevant medications, renal disease, or family/infant risk factors. Category 6 · Pathology services[Group P2](/groups/P2) Schedule fee$30.05 100% benefitGP, out of hospital— 85% benefitOut of hospital$25.55 75% benefitIn hospital$22.55 The schedule fee for MBS item 66833 is $30.05. Medicare pays $25.55 (85%) out of hospital, or $22.55 (75%) for a privately admitted patient in hospital. Fee effective 1 November 2014. Gap for what you charge ----------------------- Your fee$ Out of hospitalIn hospital (private) Medicare pays$25.55 Patient gap$4.50 Bulk billing means accepting $25.55 as full payment, with no gap and no extra charges. [Add incentives](/bulk-billing?item=66833) Item descriptor --------------- 25-hydroxyvitamin D, quantification in serum, for the investigation of a patient who: (a) has signs or symptoms of osteoporosis or osteomalacia; or (b) has increased alkaline phosphatase and otherwise normal liver function tests; or (c) has hyperparathyroidism, hypo- or hypercalcaemia, or hypophosphataemia; or (d) is suffering from malabsorption (for example, because the patient has cystic fibrosis, short bowel syndrome, inflammatory bowel disease or untreated coeliac disease, or has had bariatric surgery); or (e) has deeply pigmented skin, or chronic and severe lack of sun exposure for cultural, medical, occupational or residential reasons; or (f) is taking medication known to decrease 25OH-D levels (for example, anticonvulsants); or (g) has chronic renal failure or is a renal transplant recipient; or (h) is less than 16 years of age and has signs or symptoms of rickets; or (i) is an infant whose mother has established vitamin D deficiency; or (j) is a exclusively breastfed baby and has at least one other risk factor mentioned in a paragraph in this item; or (k) has a sibling who is less than 16 years of age and has vitamin D deficiency [Explanatory notes and rules on MBS Online ↗](https://www9.health.gov.au/mbs/fullDisplay.cfm?type=item&q=66833) 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=66833) before billing. This is a reference tool, not billing or financial advice.