Preventive Care · Central, Hong Kong
Health Screening Guide
Health screening refers to selected tests used to look for certain conditions or risk factors before symptoms appear, where screening is clinically appropriate. The usefulness of any test depends on context, rather than a one-size-fits-all package.
What a standard adult health
assessment typically includes
A general adult health assessment often combines history, examination, and selected tests. Not every item on this list is necessary for every person, and the value of screening depends on age, risk factors, symptoms, and previous results.
Is This for Me?
Who benefits from
regular health screening?
Health screening aims to identify selected medical conditions or risk factors before symptoms develop, where screening is clinically appropriate.
- — Adults aged 30 and over Annual or biennial health checks help detect metabolic and cardiovascular conditions before symptoms develop.
- — Those with a family history A family history of diabetes, heart disease, cancer, or thyroid conditions warrants more frequent, targeted monitoring.
- — Pre-employment & visa medicals Employer or institutional health checks and fitness-to-work assessments, completed efficiently with a signed report provided.
- — Ongoing condition monitoring Patients managing diabetes, hypertension, or liver conditions benefit from structured periodic testing to track disease status and treatment response.
Screening options
Common screening topics.
Different tests are used for different questions. Some are laboratory tests, while others are imaging studies or structured risk assessments.
Blood & Urine Tests
Instant Pregnancy Test
X-rays
Ultrasound
CT & MRI
Liver Scan (FibroScan)
Osteoporosis Screening
Common Tests
Health screenings and medical examinations
Blood tests may include full blood count, lipid panel, fasting glucose, HbA1c, liver and kidney function, thyroid markers, uric acid, iron studies, and other targeted panels. Fasting is often needed for glucose and lipid measurement, but not for every blood test.
Urine pregnancy tests are commonly used when pregnancy is suspected and a rapid answer is needed. Depending on the situation, follow-up may involve repeat testing, blood tests, ultrasound, or medical review.
X-rays are commonly used for the chest, limbs, and joints. They are useful for looking at bones and selected chest findings, but they involve ionising radiation and are not the best test for every question.
Ultrasound is used for many soft tissue and organ-based questions, including abdominal, pelvic, thyroid, and selected lump assessments. It does not use ionising radiation.
CT is a detailed imaging test often used for the head, chest, abdomen, pelvis, and other selected indications. It involves ionising radiation, so it is usually chosen where the expected information justifies that exposure.
MRI is often used for the brain, spine, joints, and soft tissues when more anatomical detail is needed. It does not use ionising radiation, but it is not suitable for everyone and may be limited by implants or claustrophobia.
Liver elastography or FibroScan is a non-invasive way of estimating liver stiffness and fat content. It is often considered when there are abnormal liver tests, viral hepatitis, diabetes, or concern about fatty liver disease.
Osteoporosis assessment may include fracture-risk tools, relevant blood tests, and bone density scanning in selected higher-risk groups such as postmenopausal women, older adults, long-term steroid users, or people with low body weight.
A practical way to approach
screening
Start with the question
Useful starting points include age, family history, symptoms, existing conditions, medicines, and whether the purpose is prevention, monitoring, or diagnosis.
Match the test to the purpose
Blood tests, risk tools, and imaging each answer different kinds of questions. The choice depends on what information is being sought and the trade-offs of each test, including radiation, false positives, preparation, and follow-up.
Interpret results in context
A borderline or abnormal result does not always mean disease, and a normal result does not answer every question. Results are most meaningful when interpreted alongside symptoms, examination, and previous records.
Questions
Health screening —
common questions
Fasting (usually 8-12 hours, water only) is often used for glucose and lipid measurements, but it is not required for every blood panel.
Turnaround times vary by test. Some routine blood panels return within one to two days, while more specialised assays may take longer.
X-ray is usually used for bones and selected chest questions. Ultrasound is often used for organs and soft tissues without radiation. CT gives detailed cross-sectional images but uses ionising radiation, while MRI provides high soft-tissue detail without ionising radiation.
A liver scan (FibroScan or liver elastography) is a non-invasive test that measures liver stiffness and fat content, providing information about fibrosis and fatty liver disease. It is commonly recommended for patients with elevated liver enzymes, hepatitis B or C, diabetes, or a history of significant alcohol use.
Further Questions
Useful points to clarify
before screening
Helpful details often include your age, symptoms, medicines, family history, prior results, and whether a test result would change what happens next.