Factors such as modern pace of life, irregular eating habits, stress and inactivity make it difficult to recognize many diseases at an early stage. Many people postpone health check-ups unless they have a significant complaint; however, a significant number of diseases can progress without symptoms in the first stage. For this reason, preventive health approach is gaining more and more importance in today's medical approach.
Check-ups are planned screening programs that aim to assess the current health status of the individual in a holistic manner and to detect possible risks before symptoms appear. Thanks to early diagnosis, treatment processes progress more successfully and quality of life is preserved. As Sana Medical Center, with our approach based on preventive medicine, we aim to protect health in a sustainable way thanks to personalized check-up programs.
In the following sections, we will comprehensively address the questions “What is a check-up, how is it done, what is looked for?” and examine in detail the evaluation processes that vary according to age, gender and risk factors.
What is a check up?
Check up; It is a preventive health approach that combines routine health screening and general health check components in a single clinical flow, aiming to identify individualized risks early.
A check-up (check-up / checkup), in its most accurate definition, is a “general health check-up” process planned according to age, gender, family history, lifestyle and existing risk factors. The aim is not only to “find” an existing disease, but also to identify risk, structure follow-up and strengthen healthy behaviors in conditions that can progress silently, such as hypertension, diabetes and dyslipidemia.
The critical distinction here is this: A check-up is not a “test list”; it is a clinical decision-making process. In other words, it is a health management approach that starts with a history and examination, where laboratory and imaging findings are interpreted by a physician and the results are transformed into a follow-up plan. Sana Medical Center's check-up program page supports this framework with the emphasis on “age-, gender- and life stage-based” evaluation and the interpretation of the results by the specialist physician.
Why is a check-up not the “same package for everyone”?
Evidence-based preventive medicine emphasizes that screening should be selected according to age/gender/risk profile, otherwise more harm than good may result.
Comprehensive general health check-ups rely on a large number of tests being performed “all at once”. However, a high-quality systematic review reports that systematically offered general health check-ups may have limited impact on reducing mortality rates, while increasing the likelihood of unnecessary testing and treatment. This finding does not devalue check-ups, but rather suggests that the right check-up should “choose its content wisely”.
The basic principle of a corporate check-up approach is therefore this:
“Personalized, evidence-based, targeted screening + risk reduction plan.”
For example, breast, cervical and colorectal cancer screenings included in the national screening program in our country are conducted in a standardized manner with certain age ranges and frequencies. A check-up is a powerful opportunity to plan these screenings at the right time according to the individual's risk profile, interpret the results and, if necessary, refer for further evaluation.
The limits of check-ups and the risk of false expectations
Poorly managed check-ups can create a chain of “unnecessary further investigations” and anxiety; expectation management is part of clinical quality.
The most common misunderstanding of check-ups is the expectation that they “catch every disease for sure”. In reality, no screening approach is 0; false positive/negative results may be seen and these results may result in additional tests, invasive procedures and anxiety. Therefore, check-ups should be conducted with physician-patient communication, explaining the risk-benefit balance and avoiding unindicated tests.
How is a check up done?
The check-up process consists of pre-appointment preparation, clinical evaluation, necessary blood tests and imaging, reporting of results and follow-up plan.
The following flow describes a “well-planned” check-up journey in corporate healthcare standards. In-house implementation may vary according to the individual's risk profile, needs and the package chosen. Since it is stated that check-up programs at Sana Medical Center are structured according to age and gender and evaluations are interpreted by the physician, it is expected that the process design is based on personalization.
Process diagram (simple flow):
Appointment → Preliminary interview and risk analysis → Preparation (fasting if necessary) → Samples and measurements → Necessary imaging → Physician assessment → Report and counseling → Follow-up plan
Pre-interview and personalization
Risk factors (such as family history, smoking, weight, blood pressure, diabetes risk) are the main inputs that determine the content of the check-up.
The following topics are typically clarified in the preliminary interview current complaints, past illnesses/surgeries, regularly used medications, allergies, family history of premature cardiovascular disease, lifestyle variables such as smoking/alcohol habits and work stress. In cardiovascular risk assessment approaches (e.g. SCORE-based systems), parameters such as age, smoking, systolic blood pressure and cholesterol are the main determinants; therefore, the quality of history+measurement is directly reflected in the quality of outcome.
In institutional practice, instead of “choosing tests like a cargo list”, it is essential that the physician creates a test set by balancing risk-benefit. This approach reduces the risk of unnecessary further testing and improves the interpretability of results.
Preparation before check-up
Preparation for a check-up varies according to the tests to be performed; some blood tests may require fasting, some may not.
The issue of hunger: “Although fasting is automatically thought of when the word ”blood test“ is mentioned, fasting is not required for every test. For example, a complete blood count (hemogram) often does not require special preparation, but fasting may be required if parameters such as fasting blood sugar or triglycerides are required in the same blood sample. Therefore, the question ”which tests require fasting?" should be clarified before the appointment.
Current international consensus for lipid profiling emphasizes that fasting may not be necessary in many situations, but fasting may be necessary in some special circumstances (e.g. suspicion of very high triglycerides). This distinction avoids unnecessary fasting while maintaining the need for accuracy in check-up planning.
Medicines and habits: Some blood tests and measurements may be affected by medication or recent habits; therefore, the preparation instructions given by the physician/nurse should be followed. In the general preparation approach, if restrictions or medication adjustments are required, it is recommended that this is communicated in writing before the appointment.
Recommended things to bring with you (actionable tips):
- Tests/reports for the last 1-2 years and imaging CDs if available: Seeing change is more valuable than a single result.
- Current list of medicines and supplements: Directly affects the interpretation of the result.
- Family history of premature heart attack/stroke, diabetes, cancer: May change risk stratification.
Investigations and examination
The check-up day progresses with the coordinated execution of vital signs measurement, physical examination, blood and urine samples and, if necessary, ECG and imaging steps.
On Sana Medical Center's “Check-Up Programs” page, it is seen that check-up programs for men and women combine examination components, cardiac assessment tools such as ECG, imaging such as chest radiography and ultrasonography, and various laboratory tests. This structure positions check-up as a “multidisciplinary evaluation” rather than a “single branch”.
Reporting of results and follow-up plan
The check-up output should not only be “normal/abnormal” but a health roadmap including risk classification, targets and follow-up steps.
A good report prioritizes the risks identified and clearly indicates which findings require “follow-up” and which require “urgent further evaluation”. For example, in cardiovascular risk assessment, follow-up intervals can be planned less frequently in the low-risk group, while follow-up becomes individualized as the risk increases. This approach is also emphasized in primary care follow-up.
The contact channels and address of Sana Medical Center can be noted for information purposes for scheduling follow-up appointments.
What is looked for in a check up?
The content of the check-up includes basic clinical assessment, blood and urine analysis, cardiovascular risk classification, cancer screenings according to age and gender, and further examinations when necessary.
The following structure establishes a balanced check-up approach between “routine health screening” and “personalized risk management”. The aim is both to avoid unnecessary testing burden and not to skip screenings with strong evidence.
Basic clinical assessment
The most valuable data often comes from measurements and history; a good check-up addresses simple indicators such as blood pressure, weight and waist circumference in a standardized way.
- Blood pressure measurement: Regular measurement is recommended in adults for hypertension screening; the need for confirmation with non-clinical measurements for diagnosis is emphasized.
- Weight, body mass index and waist circumference: They are key parameters in cardiometabolic risk assessment and make lifestyle goals measurable.
- Smoking, nutrition, physical activity, sleep and stress: Lifestyle interventions are central to current guidelines for the management of cardiovascular risk.
Blood and urine analysis
A blood test provides a biological snapshot of a “general health check”, but it should be clear which test answers which clinical question.
➤ Hemogram (complete blood count): It is a basic examination that can indicate a wide range of conditions such as anemia and infection; it is often used in general health assessment.
➤ Glucose metabolism: Fasting blood glucose and/or HbA1c are used to assess the risk of prediabetes/diabetes. Although diabetes screening age thresholds and risk-based approaches may vary according to guidelines, there are recommendations for screening from certain ages in overweight/obese adults.
➤ Lipid profile: Total cholesterol, LDL, HDL and triglyceride measurements are key components of cardiovascular risk. Preparation (fasting requirement) may vary according to the individual and the desired parameters; while some authorities emphasize that “8-12 hours of fasting may be required”, consensus documents state that fasting may not be necessary in most cases, and fasting may be preferred in special cases.
➤ Kidney and liver function: Renal parameters such as creatinine-eGFR and liver enzymes are commonly used biochemical indicators in check-ups; the results should be interpreted in the clinical context and not in isolation.
➤ Urinalysis Urine analysis can be supportive in catching signs of kidney health, infection or some metabolic problems.
Clinical not: Sana Medical Center's check-up program lists for men and women include imaging such as ECG, chest radiography, whole abdomen ultrasound and many biochemical parameters. The most critical point in terms of institutional quality is “what clinical purpose” these parameters serve and how the result is translated into a follow-up plan.
Cardiovascular risk assessment
Cardiovascular risk is not managed by a single test, but by a risk model that takes into account age, blood pressure, smoking, cholesterol and comorbidities.
In Europe, models such as SCORE2 and SCORE2-OP have been integrated into guidelines to estimate the 10-year risk of fatal and non-fatal cardiovascular events. This risk stratification aims to tailor lifestyle goals and, where necessary, medication decisions based on the “absolute risk of the individual”.
In primary care follow-up in Turkey, it is observed that cardiovascular risk assessment is handled according to age (e.g., at least once evaluation approach over the age of 40) and follow-up is increased in frequency as the risk increases. This approach is one of the main pillars of “check up by age” planning.
Actionable tip: Your check-up report should clearly state “total risk level”, “target LDL range”, “blood pressure target” and “3-6 month lifestyle plan + check-up date” rather than just “normal cholesterol”. The aim of the guidelines is to structure the clinical decision in this way.
Cancer screening by age and gender
Cancer screenings, which are included in the national screening program in our country, are among the most critical and most evidenced-based components of check-ups.
- Breast cancer screening: National standards recommend mammography screening at regular intervals for women aged 40-69. It is stated that the screening infrastructure is carried out free of charge in primary care and through KETEMs.
- Screening for cervical cancer: The national program emphasizes HPV-DNA-based screening every 5 years in women aged 30-65 years.
- Colorectal cancer screening: The national program approach includes a recommendation for fecal occult blood testing at regular intervals between the ages of 50 and 70 years, as well as colonoscopy at regular intervals.
These screenings are not “tests added to the check-up package”; they are part of a national public health strategy with the goal of reducing the burden of cancer. Therefore, when planning a check-up, the timing of these screenings should be reviewed if the age of the person is appropriate.
Women check up
The female check-up approach should focus on cardiometabolic risk as well as breast and cervical screening at the right intervals.
In addition to the components of a general health check-up, gynecological assessment, timing of cervical screening, appropriateness of breast screening and, when necessary, bone health risk assessment (especially in the postmenopausal period) are important in women's check-up planning. International recommendations for osteoporosis screening point to the clear benefit of screening, particularly in older age groups and those with risk factors.
Clinical case example (representative patient journey):
A 48-year-old woman with minimal complaints is scheduled for screening in accordance with the national program during a check-up; mammography reveals a finding that requires further evaluation and the patient is referred to the relevant diagnostic process. In this example, the strategic value of the check-up is to initiate evidence-based screening at the right age before the onset of complaints.
Male check up
Men's check-ups are strengthened by a focus on cardiovascular risk management, while prostate screening should be addressed through a “shared decision” approach.
Men's check-up programs often emphasize basic assessments such as lipid profile, glucose metabolism, blood pressure measurement and ECG. When it comes to prostate cancer screening, international guidelines state that PSA-based screening should be evaluated by individual decision and physician consultation between the ages of 55-69, and that the net benefit of screening above the age of 70 may be low. Therefore, tests such as PSA are not an “automatic package item” but a decision point that requires a risk-benefit discussion.
Clinical case example (representative patient journey): In a 45-year-old man who works at a busy pace and smokes, a risk calculation is made during the check-up with blood pressure measurement and lipid profile; a lifestyle plan, smoking cessation support and follow-up with target values are designed for the patient in the medium-high risk group. In this scenario, the output of the check-up is not a “test result” but a risk reduction plan with measurable targets.
When further investigations are needed
Advanced investigations (e.g. stress tests, CT scans, carotid doppler, tumor markers) are only meaningful if indicated correctly; otherwise they may do more harm than good.
➤ Routine ECG / effort test: It has been emphasized that routine ECG/exertional screening “to predict coronary events” in low-risk, asymptomatic individuals is not recommended and may have harms (unnecessary invasive procedures, mislabeling). This is an important warning against a “stress test for all” approach; the decision is individualized if there is a clinical complaint, occupational risk or high risk profile.
➤ Carotid doppler scanning: It has been stated that screening for carotid stenosis is not recommended in the general asymptomatic population, as the harms may exceed the benefits. This information indicates that carotid Doppler should not be considered “routine” in check-ups, but only at certain risks/clinical suspicion.
➤ Tumor markers: It is emphasized that the use of tumor markers such as CA-125 for screening in low-risk, asymptomatic individuals does not improve early diagnosis and may lead to unnecessary procedures due to false positivity. The “tumor marker package” approach in corporate check-up programs should therefore be handled with caution.
➤ Popular tests like Vitamin D: For some parameters (e.g. screening for vitamin D deficiency in asymptomatic adults), the evidence for a benefit-benefit balance is reported to be insufficient. Such tests become more meaningful when justified by clinical necessity or risk factors rather than “routine for all”.
Vaccination and lifelong protection
A check-up is a strategic opportunity not only for testing and screening, but also for reviewing adult immunization status.
In Turkey, adult immunization is comprehensively addressed in national information sources and adult immunization guidelines. During a check-up, immunization needs can be assessed according to a person's age, occupation, chronic diseases and risks; this approach is an integral part of preventive health management.
Frequently Asked Questions
Summary The FAQ clarifies the most common points of confusion in the check-up process in an evidence-based and actionable way.
Is a check-up the same as a routine health screening?
While a check-up is often used synonymously with “routine health screening”, a well-designed check-up includes not only screening tests, but also a risk analysis and follow-up plan. While national screening programs recommend a standard age and frequency for certain types of cancer, a check-up takes care of the individualized timing and management of results.
How long does a check-up take?
The duration varies according to the selected program, the need for additional imaging and the outcome assessment model. The aim of the institutional approach is to provide a holistic experience instead of a “fragmented service” through coordinated progress of examinations on the same day and interpretation of the results by the physician. At Sana Medical Center, check-up programs and appointment flow are defined through digital/classical channels.
Is fasting necessary before a check-up?
It is not necessary for every test. Some blood glucose and lipid tests may require fasting for 8-12 hours; some other tests (e.g. hemogram) often do not require special preparation. The best approach is to find out which parameters are required before the appointment and prepare accordingly.
No more fasting for lipid profile?
In many cases, lipid measurement can be performed without fasting; however, in some specific situations, a fasting lipid profile may be preferred (e.g. very high triglycerides or specific diagnostic needs). The clinical goal determines the decision.
“Is an ”annual check-up" necessary for everyone?
It has been shown that performing general health check-ups at the same frequency for all individuals may not provide a clear benefit and may increase the likelihood of unnecessary tests/diagnosis. The appropriate frequency should be determined by the physician based on age, risk group and previous findings.
When should women be screened for cervical cancer?
The national program emphasizes HPV-DNA-based screening every 5 years for women aged 30-65 years. If there is a personal risk (e.g. immunosuppression), the physician may plan a different follow-up.
At what age does breast cancer screening start?
National standards include mammography screening at regular intervals for women aged 40-69 years. If there is a high personal or familial risk, the age and frequency of screening may change based on expert assessment.
What is the age range for colorectal cancer screening?
The national program approach includes a recommendation for stool occult blood test-based screening and periodic colonoscopy between the ages of 50 and 70. For high risks such as family history, earlier screening may be considered.
Can cancer screening be done with tumor markers?
Screening with markers such as CA-125 is not recommended in low-risk, asymptomatic individuals; false positivity may lead to unnecessary procedures. Cancer screening should be conducted through targeted screening programs with strong evidence.
Is PSA testing in men a routine part of a check-up?
PSA screening is a “shared decision” in many international sources. In the 55-69 age range, the balance of potential benefits and harms is assessed by individual consultation; the benefit of routine screening at age 70 and over is considered more limited.
Don't Postpone Your Health: A Strong Future with Early Diagnosis
Health is not a concept to be remembered only in case of illness; it is the most valuable life capital that needs to be consciously protected and regularly evaluated. Small risks that are overlooked in the busyness of daily life can be the harbingers of more serious conditions over time. A planned and comprehensive check-up process reveals possible health problems that are not yet symptomatic and makes it possible to look to the future with more confidence.
Check-up applications reveal the general health status of the individual within a wide framework ranging from blood tests to imaging methods, cardiological evaluations to metabolic analyzes. Thanks to programs planned according to age, gender, genetic predispositions and lifestyle, a personalized risk map is created. Thus, not only the current situation is assessed, but also a scientific roadmap for preventive steps is determined.
Preventive medicine is one of the most powerful aspects of modern medicine. Early diagnosis increases treatment success, reduces costs and improves quality of life. Instead of postponing health check-ups, getting evaluated at regular intervals provides significant gains both physically and psychologically in the long run.
As Sana Medical Center, our goal is to support individuals to manage their health processes consciously and to make the advantage of early diagnosis accessible. It is possible to secure your future with regular and comprehensive checks without leaving your health to coincidence. Because a strong life starts with conscious steps.

