OET Writing: Format, Criteria, Samples & Tips for Success

Kasturika Samanta

6 min read

Updated On Apr 07, 2025

The OET Writing Test is tailored for various professions, like Dentistry, Medicine, Nursing, and Occupational Therapy. Learn about the structure, scoring criteria, strategies, and access free samples to boost your preparation and score high.

Understanding OET Writing
OET Writing Test Format
Types of Letters in OET Writing
Format for OET Writing
OET Writing Assessment Criteria
OET Writing Samples
Proven Tips to Score High in OET Writing
Common Mistakes in OET Writing

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Healthcare professionals looking to work or study in English-speaking countries must take the Occupational English Test (OET). Among its four modules, OET Writing stands out because it assesses your ability to communicate accurately and appropriately in real workplace situations.

This blog covers everything you need to know about the OET Writing sub-test, including the format, types of letters, scoring criteria, common mistakes, and top tips to ace your exam!

Understanding OET Writing

When we talk about medical professionals, it becomes extremely crucial for them to have aptitude in their written modes of communication. The prime reason for this is that medical professionals resort to writing letters, cases, and so on in real-world situations. Due to this, the writing sub-test of the OET exam comes to the forefront.

The OET writing task, in a nutshell, is nothing but an organized pattern to discern the writing ability of the professionals related to the medical domain. Not only does it assess one’s communication in the form of written prowess, but it also determines the organization of ideas and grammatical skills of the candidates.

This subtest scrutinizes your writing mastery in the form of letters (of various kinds related to the specific medical profession you are in). To give you a heads-up, focusing on the language and vocabulary alone won’t walk you through the test. It needs to be coupled with coherence, logical flow and lexical resources.

OET Writing Test Format

The OET Writing task is structured around real-life healthcare communication scenarios. You will receive clear instructions on what type of letter to write and the purpose of writing. Managing your time efficiently between reading, planning, writing, and checking is crucial.

The table below provides the essential aspects of the OET exam pattern for the writing subtest.

Section	Details
Task Type	Writing a letter (usually a referral, discharge, or transfer letter)
Target Audience	Another healthcare professional (e.g., specialist, nurse, GP)
Materials Provided	Detailed case notes about a patient or clinical situation
Word Limit	Approximately 180–200 words
Time Limit	45 minutes (including 5 minutes to read case notes)

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Types of Letters in OET Writing

Knowing the types of letters you might be asked to write can significantly boost your preparation. Here are the most common types of letters in OET:

Type of Letter	Purpose
Referral Letter	Recommend a patient for further assessment or treatment by another healthcare professional
Discharge Letter	Inform another practitioner about a patient’s condition upon leaving a healthcare facility
Transfer Letter	Update the receiving facility about a patient being transferred
Information Letter	Provide important information about a patient's care or condition
Advice or Management Letter	Give recommendations about patient management or treatment

Format for OET Writing

Correct structure and format are essential for achieving a high grade. So, in the table below, you can find out the format of the OET letters that will help you organize your paragraphs logically and keep each paragraph focused on one main idea for clarity and flow.

Aspect of the Letter	Details
Structure	- Introduction (purpose of the letter) - Relevant patient history - Current situation - Request or recommendation
Salutation	Formal, based on case notes (e.g., "Dear Dr. Smith" or "Dear Nurse Manager")
Closing	‘Yours Sincerely’ if a name is given; otherwise, ‘Yours faithfully’
Grammar/Style	Formal, professional healthcare English

OET Writing Assessment Criteria

The OET Writing sub-test uses six scoring criteria to determine your final grade. Each criterion focuses on a different aspect of writing and enables a perfect OET score calculation.

Criteria	What It Means	Pointers to Keep in Mind
Purpose	This point talks about the intent of the written letter. It needs to suffice the purpose of the case notes and documentation that need to be kept in mind while framing the letter.	Your letter’s purpose must be immediately clear to the reader in the opening sentence and consistently maintained throughout.
Content	This checks for the written content’s relevance to the solicited case notes.	Include all relevant case note information needed for the reader to understand and act. Leave out unnecessary details.
Conciseness & Clarity	This point checks for the apt delivery and reflection of the case notes on the letter and its comprehensibility.	Express ideas clearly and briefly. Avoid redundancy, repetition, and wordiness.
Genre & Style	This checks for the aptness of the style of the letter pertaining to the scenario.	Use formal, professional English suitable for healthcare communication. No casual or overly complex language.
Organisation & Layout/Structure & Design	Checks for the organization and synchronization of the ideas of the examinees while writing a letter.	Paragraphs should be organized logically (introduction, background, current condition, request). Each paragraph should focus on a single idea. Correct format: Address block, date, recipient details, salutation, body, and complimentary close. Proper indentations (if applicable) and line spacing.
Language	It checks for the grammatical aptness, vocabulary, spelling and punctuations used in the letter.	Demonstrate accurate grammar, spelling, punctuation, vocabulary, and sentence structure. Minor errors that don't distort meaning are tolerated; major errors are not.

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OET Writing Samples

OET Writing materials, including practice tests, samples and OET books, are crucial for practice and ultimately, helps in achieving a top OET score. Therefore, look at the OET Writing samples for nurses below.

OET Writing Samples

Proven Tips to Score High in OET Writing

If you want to achieve a Grade B or higher in the OET Writing sub-test, follow these expert OET Writing tips:

Understand the Case Notes Thoroughly: Spend the first 5 minutes carefully reading and analyzing the case notes. Identify the purpose of your letter and select only the relevant details. Highlight key information to use while drafting.
Plan Before You Write: Don’t jump straight into writing. Make a quick outline: Opening (purpose), Body (relevant patient history, current condition), Closing (specific request or action).
Use Professional Language and Structure: Maintain a formal and respectful tone. Use passive voice when necessary (e.g., “The patient was admitted…”). Stick to logical paragraphing and ensure each paragraph covers one main idea.
Be Concise and Clear: Avoid wordiness. Choose precise language and avoid repeating information. Keep your letter within the 180–200 word range to avoid penalties.
Practice Regularly with Timed Tests: The best way to improve is by practicing real OET Writing tasks under exam conditions. Analyze model answers to understand what examiners expect.

Common Mistakes in OET Writing

Candidates often lose important points due to some common errors. If you are aware of these mistakes, it will not only help you to avoid them but also increase your chances of that desired score. These common pitfalls are:

Including Irrelevant Information: Many candidates try to include all case notes, leading to cluttered, unfocused letters. Only select information relevant to the purpose of writing.
Not Maintaining Purpose: Sometimes, the letter starts with a clear purpose but drifts off later. Always keep the main objective consistent across paragraphs.
Poor Organization: Jumping between topics without a clear structure confuses the reader. Plan your paragraphs and use logical sequencing.
Tone and Formality Errors: Using language that’s too casual or too technical for the recipient’s knowledge level can lower your marks. Match your style to the audience — professional, but accessible.
Grammar and Spelling Issues: Repeated grammatical errors, awkward phrasing, and misspellings signal poor control of English and affect your language score significantly.

To conclude, the OET Writing sub-test is not just about grammar or vocabulary — it’s about effective healthcare communication. To succeed, you must understand the format, practice strategic writing, focus on clarity, and maintain a professional tone. By following the right techniques and dedicating time to practice, achieving a high score in OET Writing is absolutely possible. So, keep practicing, stay focused, and you’ll be well on your way to working in an English-speaking healthcare environment!

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Frequently Asked Questions

What is the format of Writing in OET?

The OET Writing sub-test requires you to write a formal healthcare-related letter, usually based on a set of case notes. You will have 5 minutes to read and prepare the case notes and 40 minutes to complete your letter. The types of letters you may be asked to write include a referral letter, discharge letter, transfer letter, update letter, or advice letter. The expected word count for the body of the letter is 180–200 words. The structure must include the date, address, salutation, subject line (if given), an introduction stating the purpose, a clear body organized into paragraphs, and a formal closing.

Is there any word limit for the OET Writing subtest?

In the OET Writing task, the letter should be ideally around 180-200 words and typically, the words and sentences required for the letter-writing suffice around this range of words. However, there is no ascetic set of rules around the word limit. That said, candidates are penalised for extraneous terms and redundancy in words, unrelated ideas and divergence from the context. Generally, exceeding the word limit signifies a lack of relevance, which is not perceived positively.

What is the context of the OET Writing subtest?

The Writing task of the OET is differently designed for each profession like Dentistry, Dietetics, Medicine, Nursing, Occupational Therapy, Optometry, Pharmacy, Physiotherapy, Podiatry, Radiography, Speech Pathology and Veterinary Science. Therefore, you have to ensure that you are well versed with the terms and scenarios that are generally registered in your domain of specialisation.

What is the time limit for the OET Writing?

The duration of the OET Writing task is 45 minutes. It includes 5 minutes that you can use to vigilantly and thoroughly go through the case notes and plan the structure of your letter. You need to ensure that you refer to the case notes and discern the context to include all the essential points in your letter. Ensure that you use those notes coherently in a structured manner that makes sense. Therefore, the remaining 40 minutes is for the Writing part.

What points am I judged on in the OET Writing subtest?

The evaluators judge on the basis of your written letter set in a medical context of your chosen field of specialisation. You are marked considering various points, such as lexical resource, vocabulary, contextual understanding and relevant writing, grammatical construction, coherence, organisation of ideas, clear and concise reflection of the intent of the letter and so on. That said, you are free to use various formats of letters as there are different layouts of letters across various professions and nationalities, however, just ensure your grammatical soundness and aforementioned points.

How can I practice Writing for OET?

To practice effectively for OET Writing, start by analyzing sample case notes and practicing letter writing under timed conditions. Focus on summarizing only relevant information from the notes while maintaining a formal and professional tone. Review model answers and official OET sample letters to understand the level of quality expected. It's also important to get feedback from a qualified OET teacher or use evaluation services to identify areas of improvement.

How to get 350 in OET Writing?

Start by ensuring that the purpose of your letter is immediately clear and remains consistent throughout. Carefully select the most important case notes and avoid unnecessary details. Structure your letter logically with coherent paragraphs, use professional language appropriate to the recipient, and maintain grammatical accuracy. Regularly practicing under exam conditions, analyzing model letters, and seeking detailed feedback will significantly enhance your chances of scoring above 350.

Can I use bullet points in the OET Writing task?

No, bullet points are not appropriate in OET Writing. The letter must be written in full sentences and structured into complete paragraphs. Bullet points are considered informal and can negatively impact your score under Organisation, Genre, and Style criteria. Always write your information in connected, flowing paragraphs.

What happens if I write fewer than 180 words or more than 200 words?

While small deviations are tolerated, consistently writing fewer than 180 or more than 200 words (for the body of the letter) can negatively impact your score. Writing too few words suggests missing important details, while writing too many often means including irrelevant information.