How to Write a Radiology Report on Your First On-Call Shift: Concise, Clear, and Actionable Reporting
Residents who are new to on-call reporting may swing between two extremes: describing everything in detail until the main result disappears, or writing so briefly that...
RadPhrases Editorial Team6 min read
Quick summary A good on-call report is not necessarily a long report. It belongs to the correct patient, states its technical limitations, answers the clinical question, and clearly highlights the most important result.
Medical safety note This content is intended for the education of radiology residents and trainees. It does not provide patient-specific diagnosis, treatment, or emergency management instructions. Institutional protocols, scope-of-practice limits, and the supervising radiologist's guidance take precedence.
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A report is clinical communication, not an inventory of images
Residents who are new to on-call reporting may swing between two extremes: describing everything in detail until the main result disappears, or writing so briefly that uncertainty and important negative findings are omitted. A good report is not defined by its word count, but by whether it gives a safe and understandable answer to the clinical question.
Current RCR reporting standards identify two core goals: the report should prompt appropriate patient care, and the interpretation should be communicated clearly. [1] The ACR likewise considers effective communication a critical component of diagnostic imaging. [2]
Six essential components of an on-call report
Examination and laterality: The correct study, anatomic region, and side.
Clinical information/question: Enough context to show which question the report is answering.
Technique and limitations: The essential technique, contrast status, and limitations affecting interpretation.
Comparison: The relevant prior study and date, or a statement that none is available.
Findings: Systematic, objective, and clinically meaningful observations.
Impression: A concise summary of the most important finding, diagnostic confidence, and urgency when relevant.
Your institution's template may use a different order. What matters is that the reader can find the expected information in the same place in every report.
First summarize the clinical question in one sentence
Read the request before opening the examination and ask yourself, "What decision will this study inform?" If the clinical question is unclear, contact the referring team. Filling gaps by assumption can create an incorrect framework for the report.
The mechanism of injury, time of symptom onset, or surgical history may change the interpretation.
Instead of a broad request such as "pain," laterality, location, duration, and the specific clinical concern may be useful.
A history of malignancy, intervention, or treatment gives meaning to the comparison.
Incidental details that do not answer the clinical question should not obscure the impression.
Do not hide a limitation; explain its effect
Stating only that motion artifact is present may not be enough. Explain which assessment is affected and to what extent. Do not make the examination's diagnostic capability sound weaker or stronger than it is.
Type / Note
Example wording
Weak
Motion artifacts are present.
Better
The examination is partially limited by motion artifact; assessment for small peripheral emboli is not reliable.
Weak
This is a noncontrast examination.
Better
Assessment of vascular structures and solid-organ perfusion is limited by the absence of intravenous contrast.
These examples illustrate wording only; each sentence must be adapted to the technical features of the actual examination.
Use a fixed sequence in the findings section
A systematic sequence is a memory aid that reduces omissions, especially during fatigue and interruptions. The sequence varies by modality and anatomy, but it is important to follow the same path each time for the same type of examination.
Evaluate potentially life-threatening or time-sensitive findings first.
Then complete the systems relevant to the main clinical question.
State relevant negative findings to the extent needed.
Separate incidental findings according to clinical significance.
Check measurements, laterality, and anatomic levels for consistency.
Calibrate uncertainty appropriately
A radiology report does not always contain a definitive diagnosis. Terms expressing uncertainty should not be used randomly. Phrases such as "consistent with," "suggestive of," "probable," "cannot be excluded," and "suspicious for" imply different levels of confidence. Use your institution's shared terminology and make the clinical effect of uncertainty visible in the impression.
Type / Note
Example wording
Vague
Clinical correlation is recommended.
More actionable
The findings are nonspecific in isolation; if infection is suspected, they should be interpreted with the clinical and laboratory data.
Vague
Malignancy cannot be excluded.
More actionable
The imaging features of the lesion are nonspecific. To exclude malignancy, specialty evaluation and appropriate further imaging may be considered in accordance with local protocol.
When recommending further imaging or consultation, stay within your scope of practice and follow local guidance. Avoid automatic recommendations added to every case.
Write the impression in order of importance
The impression is not a copy of the findings section. It should summarize the one to three most important messages in order of clinical effect. An urgent finding should appear first; lower-priority incidental findings should be listed separately.
Answer the main clinical question in the first sentence.
State the level of confidence clearly.
Include a clinically important negative finding when appropriate.
If you made a time-sensitive communication, document it in the appropriate part of the report.
Rather than giving a long differential diagnosis, rank possibilities in a clinically meaningful way.
Distinguish preliminary from final reports
The status of an on-call report varies across training institutions. If a preliminary report will later be reviewed by an attending radiologist, that status should be clear both in the system and in the text. RCR standards emphasize explicitly identifying a report as provisional when a required second opinion has not yet been obtained. [1]
Labeling a report as preliminary does not remove responsibility. Critical findings must still be communicated promptly, and uncertainty must still be discussed with a senior.
Reporting habits to avoid
Describing every organ at equal length without answering the clinical question
Using conflicting laterality, measurements, or diagnoses in the body and impression
Leaving a finding in the report because it remained in the template, although it is not present on the images
Automatically recommending clinical correlation or further imaging in every report
Leaving a critical result only in the impression without direct communication
Expressing a stronger level of certainty than the images support
Using abbreviations that are not commonly accepted at the institution
A 20-second final check before signing
☐ Is this the correct patient and examination?
☐ Are laterality, anatomic level, and measurements consistent?
☐ Did I answer the clinical question clearly?
☐ Did I state the technical limitation and its effect?
☐ Do the findings and impression agree?
☐ Are the prior study and date correct?
☐ If critical communication was required, was it completed and documented?
☐ Is there any irrelevant text left from the template?
Shortcut tools such as RadPhrases can speed up repetitive report structures. The safest use is to standardize organization, limitation, comparison, and communication wording rather than automate complete diagnoses. Every inserted statement must be verified by the user. [3]
References
Royal College of Radiologists - Standards for interpretation and reporting of imaging investigations, third edition. Source (opens in a new tab)
American College of Radiology - Practice Parameter for Communication of Diagnostic Imaging Findings. Source (opens in a new tab)
Clinical use note
This content is educational and is not patient-specific medical advice. Every phrase, template, classification result, and recommendation must be verified and adapted by a physician using the complete examination, clinical context, current guidelines, and institutional protocol.
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