Oct 5, 2025
6
min read
Medically Reviewed
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The Structure of the Unbilled Consultation
Every consultation contains three layers of potential revenue: the time-based component tied to consultation duration, the complexity-based component tied to the clinical content, and the specific MBS item numbers tied to particular activities such as health assessments, chronic disease management, mental health treatment, and preventive care. The ideal claim captures all three layers accurately. The reality in most practices is that only one or two are claimed, and the most consistently missed layer is the specific activity item that requires separate documentation and a discrete MBS code.
Consider a typical consultation where a patient presents with a viral illness but the clinician also notices that the patient’s blood pressure is elevated and uses the opportunity to conduct a brief cardiovascular risk assessment. The time-based component is straightforward, but the cardiovascular assessment may qualify for a separate health-assessment-related MBS item. If that item was not in the clinician’s awareness at the moment of billing, it goes unclaimed, and the practice has effectively provided a billable service for free. Multiplied across every consultation where a secondary activity occurred, the pattern is systematic under-recovery.
The challenge is not that clinicians are unaware of the MBS schedule; it is that the schedule contains hundreds of items and the circumstances that trigger a specific item can arise unpredictably during a consultation. No amount of training can make the entire schedule instantly retrievable from memory on demand, especially when the clinician is also managing the patient’s presenting concerns, time pressure, and documentation requirements simultaneously.
Why Time-Tiered Consultations Are Consistently Undercoded
The most common and costly form of under-claiming in Australian general practice relates to consultation-level coding. The MBS defines consultation items by duration and complexity, from Level A (brief, less than five minutes) through to Level D (prolonged, more than twenty minutes with specific clinical features). Research published by the RACGP has consistently shown that Level C and Level D consultations are routinely billed at the Level B rate, partly because clinicians underestimate the duration or complexity of the consultation and partly because the default billing template in many practice management systems defaults to the most commonly used code.
The financial impact of systematic under-coding is substantial. The difference between a Level B and a Level C consultation rebate is approximately fifteen to twenty dollars, and between Level C and Level D the gap is larger still. For a clinician conducting ten consultations per session that should have been coded at a higher level, the daily revenue gap can exceed two hundred dollars. Across a full week across all clinicians in a practice, the cumulative figure is significant enough to affect the practice’s financial viability.
The solution is not to pressure clinicians to up-code, which carries compliance risks, but to provide them with real-time information about the billing options their documentation supports. When a clinician can see that the notes they have just written would support a Level C or D item, the decision to select the correct code is informed rather than guessed, and the practice captures the revenue it is entitled to without any change to the clinical work performed.
Expert Tips
"The most surprising discovery a practice owner makes after implementing intelligent billing support is not how much revenue they were missing, but how routine those misses were. It is the same set of items, the same consultation types, the same time of day. The problem was never that the practice lacked the skill to bill correctly; it was that the human brain is simply not designed to hold a six-hundred-item Medicare schedule in working memory while delivering clinical care. That is where the machine earns its place." — Arash Zohuri, CEO, MediQo
Chronic Disease Management and the Annual Gap
Chronic disease management items are among the most consistently underutilised revenue sources in Australian general practice. The MBS provides specific item numbers for GP Management Plans (GPMPs), Team Care Arrangements (TCAs), and reviews of these plans, each attracting a separate rebate. A patient with type 2 diabetes, hypertension, and osteoarthritis may be eligible for a comprehensive care plan that generates multiple billable items, but the administrative effort of creating and reviewing these plans means they are often deferred, abbreviated, or completed without claiming the associated item.
The gap is not small. Each GPMP and TCA carries a rebate that makes them among the highest-value items in general practice billing, and a practice with a significant chronic-disease caseload may be leaving tens of thousands of dollars in unclaimed item revenue each cycle. The barrier is not clinical awareness but documentation labour: creating a claimable care plan requires structured documentation that meets MBS requirements, and the time cost of that documentation competes with every other demand on the clinician’s schedule.
MediQo’s Smart MBS Billing Assistant addresses this by integrating with the clinical workflow to surface relevant items based on the patient’s history and the consultation content. When a clinician is reviewing a patient with multiple chronic conditions, the assistant can present the relevant care-plan and review items alongside the standard consultation codes, making it easy to include them in the claim without adding documentation time. The revenue is captured because the option was visible at the moment of decision.
Key Takeaways
Every consultation contains multiple billable components that are often only partially captured in the final claim.
Time-tiered consultations are frequently billed at the lowest safe level, leaving higher-value items unclaimed.
Chronic disease management, mental health and health assessment items are consistently underutilised across Australian general practice.
AI-driven MBS optimisation identifies and recovers unbilled revenue without adding administrative burden.
When a practice owner reviews the end-of-month billing report, the figure at the bottom represents what was claimed, not what was clinically delivered. The gap between those two numbers is the hidden revenue sitting inside every consultation, and it is larger and more consistent than most practice managers realise. Research from the Australian Department of Health has repeatedly identified under-claiming as a persistent feature of general practice billing, driven not by deliberate omission but by the sheer complexity of the MBS schedule and the cognitive load of matching clinical work to the correct item number in real time.
The structure of the Medicare Benefits Schedule rewards thoroughness. A consultation that includes a mental health assessment, chronic disease management review, and preventive health screening may support multiple billable items, but each one must be recognised, documented, and separately claimed. In the flow of a busy clinical day, it is entirely rational for a clinician to focus on the presenting complaint and bill the single most obvious item, leaving the other billable components of the same consultation uncaptured. Over weeks and months, that rational choice becomes a significant revenue gap.
This article maps the specific sources of hidden revenue in Australian general practice consultations, explains why they are so persistent, and shows how AI-driven billing support enables practices to capture what they are already earning without changing their clinical workflow or increasing patient volume.
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