Experience MedEx Seamless Care Delivery — 10% OFF on Your First Appointment - Use 'TRYMEDEX' Coupon Code on Checkout //////////////////////////////////// General Price List — Consultation: 750 THB | Home Lab Test Service Fee: 750 THB
Looking for a Vitamin D blood test in Bangkok? Whether you have been advised to check your vitamin D levels, are concerned about vitamin D deficiency or need a follow-up blood test, MedEx offers a 25-Hydroxy Vitamin D (25-OH Vitamin D) test for ฿2,399. This blood test measures the amount of vitamin D in your […]
MedEx is a one-stop destination when it comes to medical tourism and digital specialized health care services. MedEx serves as a connector between patients and trusted world-class health service providers.
Looking for a Vitamin D blood test in Bangkok? Whether you have been advised to check your vitamin D levels, are concerned about vitamin D deficiency or need a follow-up blood test, MedEx offers a 25-Hydroxy Vitamin D (25-OH Vitamin D) test for ฿2,399.
This blood test measures the amount of vitamin D in your body and helps healthcare professionals assess your vitamin D status.
In this guide, we explain the Vitamin D test price in Bangkok, what the test measures, who may need testing, how to prepare, what the results mean and how to book through MedEx.
At MedEx, the published price for the Vitamin D (25-Hydroxy Total) blood test is ฿2,399.
This is the commonly used blood test for assessing vitamin D status.
| Test Details | MedEx |
|---|---|
| Test Name | Vitamin D (25-Hydroxy Total) |
| Also Known As | 25-OH Vitamin D / Total Vitamin D |
| Price | ฿2,399 |
| Sample Type | Blood (Serum) |
| Published Turnaround | 1 Day |
| Test Code | MD-NLC163 |
| Booking | View Vitamin D Test Details |
Prices are based on MedEx’s published laboratory listings in November 2026. Prices, turnaround times and availability may change. Confirm any consultation or home collection charges before booking.
MedEx also lists other vitamin D testing methods. For a routine assessment of vitamin D status, the total 25-OH Vitamin D test is generally used. A healthcare professional can advise whether a different test is required.
A Vitamin D blood test measures the amount of vitamin D in your blood. The most commonly used measurement is called 25-hydroxyvitamin D (25-OH Vitamin D).
Vitamin D is important because it helps the body absorb calcium and phosphorus, which are necessary for healthy bones and teeth.
Vitamin D also supports normal muscle function and other important processes in the body.
Your body obtains vitamin D from several sources:
A blood test can help determine whether your vitamin D level is low, adequate or potentially too high when testing is medically indicated.
The 25-OH Vitamin D test, also called a 25-hydroxy vitamin D test, measures the main circulating form of vitamin D in the bloodstream.
It is generally the preferred laboratory measurement for evaluating a person’s vitamin D status.
You may see the test listed under different names:
These names commonly refer to testing the total 25-hydroxyvitamin D level, although test methods and reporting details may differ.
Not everyone needs routine vitamin D testing. However, a doctor may recommend a Vitamin D deficiency blood test when there is a medical reason to investigate vitamin D status.
Testing may be considered for people with:
Although limited sunlight exposure may increase the risk of low vitamin D, testing is not automatically necessary for everyone who spends time indoors.
A healthcare professional should consider your medical history, symptoms and relevant risk factors before recommending testing.
Vitamin D deficiency means the body has an insufficient amount of vitamin D for its needs.
Some people with low vitamin D levels may have no noticeable symptoms.
When symptoms or complications occur, they may include:
In severe cases, prolonged vitamin D deficiency can contribute to osteomalacia in adults or rickets in children.
However, these symptoms can have many different causes. A vitamin D test should not be used alone to explain persistent fatigue, muscle pain or other nonspecific symptoms.
Yes. Living in a sunny city such as Bangkok does not automatically guarantee adequate vitamin D levels.
Vitamin D production in the skin depends on several factors, including actual sunlight exposure, time spent outdoors, clothing, skin characteristics and other individual circumstances.
People who spend most of their day indoors may have limited opportunities for sunlight exposure.
However, limited sun exposure does not necessarily mean someone has vitamin D deficiency, and it does not automatically mean a blood test is required.
Excessive sun exposure is not recommended as a way to correct suspected deficiency because ultraviolet radiation increases skin cancer risk.
Fasting is usually not required for a standalone 25-OH Vitamin D blood test.
However, if your vitamin D test is combined with other blood tests, different preparation instructions may apply.
The blood collection itself usually takes only a few minutes.
Do not stop prescribed medicines or supplements unless advised by your healthcare professional.
Vitamin D results are usually reported in ng/mL (nanograms per milliliter) or nmol/L (nanomoles per liter).
Different medical organizations and laboratories may use different thresholds when describing vitamin D levels.
The following values are based on guidance from the US National Institutes of Health and are provided for general education.
| Vitamin D Level | General Interpretation |
|---|---|
| Below 12 ng/mL | Associated with vitamin D deficiency |
| 12 to below 20 ng/mL | May be inadequate for bone health |
| 20 ng/mL or above | Generally adequate for most people, within an appropriate range |
| Above 50 ng/mL | May be associated with adverse effects |
These are general reference points, not universal diagnostic cutoffs or treatment targets. Interpretation depends on the laboratory, clinical context and current medical guidance. Higher values are not necessarily better.
If your result is low, your healthcare professional may review your diet, medical history, medications, sunlight exposure and possible underlying conditions.
Depending on the circumstances, treatment may include dietary changes or vitamin D supplementation.
Do not start high-dose vitamin D supplements without appropriate medical advice. Excessive supplementation can cause harmful effects, including elevated blood calcium levels.
Vitamin D exists in two commonly discussed forms:
Both forms contribute to vitamin D status.
A Total 25-OH Vitamin D test measures total vitamin D status, while certain specialized laboratory tests can report vitamin D2 and D3 separately.
For most clinical assessments of vitamin D status, total 25-hydroxyvitamin D is the usual measurement.
Your doctor can advise whether separate D2 and D3 measurements are necessary.
Vitamin D is important for calcium absorption and bone health, so vitamin D testing may form part of an investigation for certain bone-related medical conditions.
However, a vitamin D blood test does not measure bone density and cannot diagnose osteoporosis on its own.
Other investigations may be recommended, depending on the clinical circumstances.
These may include:
Learn more about MedEx Imaging Services in Bangkok, including available bone-related imaging investigations.
The appropriate testing frequency depends on why the test was ordered.
For generally healthy people without a medical indication, routine repeat vitamin D blood testing is not recommended.
For people receiving treatment for a documented deficiency or those with certain medical conditions, a healthcare professional may recommend follow-up testing when clinically necessary.
The timing should be determined by your treating clinician rather than following a fixed monthly or annual schedule.
MedEx provides laboratory test booking services for patients in Bangkok, including residents, expatriates and international visitors.
If your healthcare professional has recommended vitamin D testing, you can check the available test options and prices through the MedEx Lab Directory.
Published turnaround: MedEx lists a one-day turnaround for the Vitamin D (25-Hydroxy Total) test. Actual result availability depends on sample collection and laboratory processing.
Sukhumvit 13 Branch
The Trendy Office Building, Floor 1A
Sukhumvit Soi 13
Bangkok, Thailand
Conveniently located near BTS Nana and BTS Asok. Other MedEx collection locations may be available. Confirm your preferred location when booking.
MedEx lists the Vitamin D (25-Hydroxy Total) blood test at ฿2,399. Confirm the final price and any additional service fees before booking.
It is a blood test measuring total 25-hydroxyvitamin D, the main laboratory marker used to assess vitamin D status.
Fasting is generally not needed for a standalone vitamin D test. If additional tests are ordered, different preparation instructions may apply.
MedEx publishes a typical one-day turnaround for its 25-Hydroxy Total Vitamin D test. Timing may vary according to laboratory processing.
Yes. Living in a sunny country does not guarantee adequate vitamin D status. However, low sunlight exposure alone does not mean that everyone needs blood testing.
Some people have no symptoms. Severe deficiency can contribute to bone pain, muscle weakness and certain bone disorders. These symptoms can also have other causes.
Not exactly. Total 25-OH Vitamin D measures overall vitamin D status, whereas Vitamin D3 is one of the forms contributing to that total.
No. Current medical guidelines do not recommend routine vitamin D testing for generally healthy people without an established clinical indication.
No. A vitamin D test can help assess vitamin D status, but bone density testing and other clinical assessments are used when evaluating osteoporosis.
Tell your healthcare professional about any supplements you currently take. Do not stop or change prescribed supplements unless advised by your clinician.
Yes. MedEx lists Vitamin D (25-Hydroxy Total) as an individual laboratory test. You can enquire about booking it separately.
You can check MedEx’s laboratory directory for the available test, collection arrangements and booking options in Bangkok.
If you have been advised to check your vitamin D levels, MedEx provides a convenient way to find and book the appropriate laboratory test.
The Vitamin D (25-Hydroxy Total) test is listed at ฿2,399, with a published one-day turnaround.
Check the current price, confirm your preferred blood collection location and arrange an appointment through the MedEx Lab Directory.
Medical Disclaimer: This article provides general educational information and is not a substitute for medical advice, diagnosis or treatment. Test results should be interpreted by a qualified healthcare professional in the context of a patient’s health history and symptoms.
Prices referenced from MedEx’s published laboratory listings in November 2026. Prices and availability are subject to change.
Looking for a ferritin blood test in Bangkok or concerned about iron deficiency? MedEx offers a Ferritin Test for ฿800, along with
Looking for a liver function test in Bangkok? MedEx lists an 8-test liver panel for ฿1,000. Individual tests including ALT (SGPT), AST
กำลังค้นหาข้อมูล CT Scan ราคา หรือ ตรวจ CT Scan ราคาเท่าไหร่ในกรุงเทพฯ อยู่ใช่ไหม? ค่าใช้จ่ายในการตรวจเอกซเรย์คอมพิวเตอร์ไม่ได้เท่ากันทุกกรณี เพราะขึ้นอยู่กับบริเวณที่ตรวจ เทคนิคการถ่ายภาพ การใช้สารทึบรังสี และข้อกำหนดของสถานพยาบาลที่ให้บริการ MedEx ช่วยประสานงานนัดหมายตรวจ CT Scan กับโรงพยาบาลและศูนย์ภาพวินิจฉัยพันธมิตร ในกรุงเทพฯ
MedEx is a one-stop digital care navigation concierge backed by physical infrastructure, owning the patient experience and decentralizing the care continuum across Asia—integrating provider aggregation, satellite clinics, telemedicine, and at-home care.
MedEx is a one-stop digital care navigation concierge backed by physical infrastructure, owning the patient experience and decentralizing the care continuum across Asia — integrating provider aggregation, satellite clinics, telemedicine, and at-home care.
© 2020-26 MedEx Ventures Co., Ltd.
