Every completed radiology and histopathology case submitted through Hospitual enters our clinical audit programme. This is what we mean by 100% clinical audit coverage: inclusion of every completed case in the programme, rather than selecting only a sample.
For patients, the important questions go beyond a percentage. What is being checked? What happens if a concern is identified? And how does review lead to better practice? This guide explains the purpose of clinical audit, the limits of what it can promise and the questions worth asking about diagnostic quality.
What Is Clinical Audit?
Clinical audit is a structured way of comparing healthcare practice with agreed standards, identifying where improvement is needed and checking whether action has made a difference. It is more than collecting reports or counting how many cases have been reviewed. A meaningful audit connects measurement with change and subsequent reassessment. [1]
For example, a service might check whether reports consistently address the question that prompted the review. If important information is frequently missing, it could improve the information requested at submission, then repeat the measurement. This is an illustrative example of an audit cycle, not a published result from Hospitual.
What Does 100% Coverage Mean at Hospitual?
Our programme includes every completed radiology and histopathology case submitted through the platform. The scope of that statement matters: it concerns these completed cases, rather than every enquiry, every uploaded document or every type of online consultation.
Coverage describes which cases enter a process. It does not, by itself, describe when every review is completed, how extensive each review is or whether another specialist independently repeats the full diagnostic interpretation before the report is released.
It also does not mean 100% diagnostic accuracy. No quality assurance programme can guarantee that every uncertainty will be resolved or that all errors will be prevented. The purpose is to support careful review, identify opportunities for improvement and provide a route for concerns to receive attention.
Clinical Audit, Peer Review and Second Opinions: What Is the Difference?
These activities can support one another, but they answer different questions:
- Clinical audit: does the service meet defined standards, and what needs to improve?
- Peer review: what can a qualified colleague identify or clarify by examining another clinician’s work?
- A second opinion: what does another specialist conclude after reviewing the patient’s case and the available diagnostic material?
An audit may use peer-review findings as one source of information. However, enrolment in an audit programme should not be interpreted as a promise of an additional, separately commissioned specialist consultation.
If you are deciding whether another interpretation of a scan could help, our guide to what a radiology second opinion involves and when to consider one explains that process.
What Can a Case Review Examine?
Hospitual’s audit programme can examine several aspects of a completed case:
- The clinical question: does the report address what the patient or treating clinician needed to clarify?
- Report clarity: are the findings, interpretation and limitations understandable?
- Important findings: have relevant findings been identified and appropriately communicated?
- Available information: is the conclusion consistent with the material and clinical context supplied?
- Potential discrepancies: is there an issue that warrants further specialist consideration?
- Learning: could feedback improve reporting or the way future cases are handled?
These are review areas, not a claim that every case requires exactly the same checks or that every possible diagnostic question can be settled from the submitted records.
Why Review Matters in Radiology and Histopathology
Radiologists interpret imaging in the context of the examination performed, image quality, previous studies and the clinical question. Histopathologists interpret tissue findings alongside the available clinical information and any relevant additional tests. Borderline or complex appearances can require careful judgement.
Two specialists can reach different interpretations without the difference automatically proving negligence or an avoidable mistake. Additional information, different expertise or uncertainty in the underlying findings may explain a discrepancy. The useful next question is whether the difference changes what the patient and treating team need to do.
For more background on tissue review, read why pathology second opinions matter. It explains why reviewing diagnostic material can be important when treatment decisions depend on the pathology findings.
What Does the Research Tell Us?
Imaging second interpretations
A systematic review and meta-analysis published in the Journal of the American College of Radiology examined discrepancies and the clinical impact of secondary imaging interpretations. It found that a further interpretation can identify differences that affect management in some cases. [2]
These studies involve particular referral settings and patient groups. Their findings should not be read as the chance that any individual patient’s original report is wrong.
Pathology second opinions
A 2021 study in the International Journal for Quality in Health Care reviewed 4,239 second-opinion pathology cases. Major disagreements associated with a change in clinical management occurred in 42 cases, approximately 1% of the total. Results varied across diagnostic areas. [3]
For the patients affected, a relatively small percentage can still represent an important difference. However, these were second-opinion cases at a particular institution, not a random sample of all pathology reports.
Neither study evaluates Hospitual’s audit programme. They support the rationale for structured specialist review; they do not establish Hospitual’s error rate, demonstrate that our programme improves outcomes or prove that full coverage is superior to every well-designed sampling approach.
What Happens If a Potential Concern Is Identified?
A potentially important issue identified through Hospitual’s programme can be escalated through its clinical governance processes for further review and appropriate action. A discrepancy needs to be assessed in context before conclusions are drawn about its significance.
If you receive a clarification or a revised interpretation, ask which finding has changed, whether the change affects the clinical recommendation and which version of the report your treating team should use. Discuss any implications for treatment with your own clinician; do not change or stop treatment on the basis of an unexplained difference between reports.
You can also ask Hospitual about the timing of audit review and how clinically important findings are communicated. Programme inclusion alone should not lead you to assume that all review happens before a report is issued.
How Patients Can Support a Useful Review
A review is most useful when the specialist has the relevant material and a clear question. Before submitting a case:
- Write down the question. For example, explain which report finding you want clarified or which decision your treating team is considering.
- Provide the complete diagnostic material requested. For imaging, this usually means the full study and its radiology report, not just photographs of selected images.
- Include relevant previous information. Earlier reports, treatment history and comparison studies may help explain changes over time.
- Check the records belong to the correct examination. Confirm the patient details, body area and dates, and tell the service if anything appears missing.
- Plan to share the opinion with your treating team. A remote review is one part of your care, not a replacement for clinical assessment and follow-up.
Our step-by-step guide explains how to obtain your MRI, CT, X-ray or ultrasound files for a second opinion. For pathology, ask the service which slides, digital files, reports or other material are needed before arranging a transfer.
Questions Worth Asking About Quality Assurance
When comparing services, look beyond whether a provider uses the word “audit”. Useful questions include:
- Which cases are included, and are there exclusions?
- What standards are assessed?
- Who performs the review, and when does it happen?
- How are potentially important concerns escalated?
- How would I and my treating clinician learn about a relevant report change?
- How does the organisation check that improvements have worked?
Clear answers help you understand the scope of the service. A coverage figure is useful context, but it is not a substitute for information about the process and its results.
Frequently Asked Questions
Does 100% audit coverage guarantee that my diagnosis is correct?
No. It describes inclusion in the programme, not a guarantee of accuracy or a promise that all diagnostic uncertainty can be removed.
Does audit mean my scan or tissue is automatically read by two independent specialists?
That should not be assumed from the coverage statement. Audit, peer review and a separately requested second opinion have different purposes. Ask about the specific review arrangements for your case.
Does a different opinion mean the first clinician made a mistake?
Not necessarily. The specialists may have different information or may interpret an uncertain finding differently. The significance of the difference needs clinical assessment.
Should I wait for an audit before following medical advice?
Do not delay urgent assessment or necessary care while waiting for a review. Ask your treating clinician how any additional opinion fits with your current plan.
Where can I learn about submitting a case?
See how Hospitual works for the submission process. The radiology second opinion and pathology second opinion pages explain the corresponding services.
This article explains clinical quality assurance and provides general patient information. It is not individual medical advice or an emergency service.
References and Further Reading
- Healthcare Quality Improvement Partnership. Best Practice in Clinical Audit.
- Rosenkrantz AB et al. Discrepancy Rates and Clinical Impact of Imaging Secondary Interpretations: A Systematic Review and Meta-Analysis. Journal of the American College of Radiology. 2018;15:1222–1231.
- Farooq A et al. Assessing the value of second opinion pathology review. International Journal for Quality in Health Care. 2021;33:mzab032.

