
Also called: Vitamin D blood test, 25-hydroxyvitamin D test, 25(OH)D test
Report
{context.blood_test.parameters} Parameters
What it checks
Report delivery
Test for
Age group
Commonly advised for
The 25-Hydroxy Vitamin D3 test measures the primary circulating form of vitamin D in the body. Vitamin D is essential for calcium absorption, bone health, immune function, and muscle strength.
Deficiency is extremely common and can lead to bone disorders, muscle pain, and increased risk of infections.
Why Is This Test Recommended?
This test is recommended to assess vitamin D deficiency, evaluate bone pain or weakness, monitor supplementation therapy, and screen high-risk individuals.
Understanding Vitamin D3
25-Hydroxy Vitamin D reflects both dietary intake and sun exposure. It is the most accurate marker of vitamin D status in the body and helps guide supplementation and treatment decisions.
Symptoms or Conditions That May Require This Test
Bone pain or tenderness
Muscle weakness or cramps
Frequent infections
Osteoporosis or osteopenia
Fatigue
Why Do I Need This Test?
To prevent bone loss, maintain overall health, and identify deficiency that may contribute to various health issues.
How Do I Prepare for the Test?
No fasting is required. You can take the test at any time of day.
How Is the Test Performed?
A blood sample is collected from a vein in your arm.
What Happens After the Test?
Vitamin D supplementation may be prescribed if levels are low, with dosage based on the severity of deficiency.
When Should I Consult a Doctor?
If your vitamin D levels are below normal range or if you experience symptoms of deficiency.
Risks Associated With This Test
Minimal risk related to blood draw only.
Lifestyle Tips
Get adequate sunlight exposure (10-15 minutes daily)
Include vitamin D-rich foods like fatty fish, egg yolks, and fortified dairy
Consider supplements if deficient
Maintain healthy weight
Regular outdoor activities
What Does This Test Measure?
The test measures vitamin D status in the body by detecting 25-hydroxy vitamin D levels.
What Do the Results Mean?
Low levels indicate vitamin D deficiency. Normal levels suggest adequate vitamin D status. Very high levels may indicate excessive supplementation.
What Should I Do If Results Are Abnormal?
Follow your doctor's prescribed supplementation plan and retest after treatment to monitor improvement.
Factors That May Affect Results
Sun exposure, dietary intake, age, skin pigmentation, obesity, malabsorption disorders, and certain medications.
Frequently Asked Questions (FAQs)
Is vitamin D deficiency common?
Yes, vitamin D deficiency is extremely common worldwide, affecting people across all age groups due to limited sun exposure and dietary intake.
Is sunlight enough?
Often not; while sunlight helps produce vitamin D, factors like geography, season, skin tone, and lifestyle often make supplementation necessary.
Can excess vitamin D be harmful?
Yes, excessive vitamin D from over-supplementation can cause toxicity, leading to high calcium levels, kidney problems, and other health issues.
Is fasting required?
No, fasting is not required for the 25-Hydroxy Vitamin D3 test.
How often should it be tested?
As advised by your doctor, typically every 3-6 months during treatment, then annually for monitoring once levels normalize.
This is the active form of vitamin D, tested in specific medical situations. It is advised if:
Tapadia Diagnostic Centre in Vadodara offers NABL-accredited Vitamin D (1,25-Dihydroxyvitamin D) test from a Blood sample(s). Vitamin D blood test, 25-hydroxyvitamin D test, 25(OH)D test is also prescribed for Bone pain, muscle weakness, muscle aches. Established in 1989, this doctor-led diagnostic centre ensures high accuracy. Home sample collection and walk-in facility available at our Vadodara center. Pay at the centre with no advance payment. Book online or visit us.
Vitamin D (1,25-Dihydroxyvitamin D) in Vadodara
Rated 4.6 on Google
From 6,477 patient reviews across our Hyderabad centres.
Every report, kept for you
Past reports stay in your account and can be downloaded again.
NABL accredited
Every result reviewed by a qualified pathologist before it reaches you.
Four decades of practice
A family-run diagnostic centre, trusted by doctors and households since 1989


Vitamin D (1,25-Dihydroxyvitamin D) in Vijayawada
Vitamin D (1,25-Dihydroxyvitamin D) in Visakhapatnam
Vitamin D (1,25-Dihydroxyvitamin D) in Ahmedabad
Vitamin D (1,25-Dihydroxyvitamin D) in Bengaluru
Vitamin D (1,25-Dihydroxyvitamin D) in Mumbai
Vitamin D (1,25-Dihydroxyvitamin D) in Secunderabad
Vitamin D (1,25-Dihydroxyvitamin D) in Karimnagar
Vitamin D (1,25-Dihydroxyvitamin D) in Hyderabad
Vitamin D (1,25-Dihydroxyvitamin D) in Warangal
Vitamin D (1,25-Dihydroxyvitamin D) in Chhatrapati Sambhajinagar (Aurangabad)
Master Health Checkup (Blood) in Vadodara
HIV 1 & 2 Antibodies, Serum-Elisa Method in Vadodara
Dengue IgG, IgM Antibodies + NS1 Antigen-Rapid, Serum in Vadodara
Lipoprotein A (Lp A), Serum in Vadodara
Erythrocyte Sedimentation Rate (ESR) in Vadodara
Thyroxine Total (T4), Serum in Vadodara
Triiodothyronine Total (T3), Serum in Vadodara
CA 19.9 (Pancreatic Cancer Marker), Serum in Vadodara
NIPT with Microdeletions in Vadodara
NIPT Basic in Vadodara
Complete Blood Picture (CBP) in Vadodara
Serum Phosphorus Test in Vadodara
TIBC in Vadodara
Urology Profile in Vadodara
Beta HCG Free, Serum (Pregnancy Test) in Vadodara
Viral Screening in Vadodara
AFP Test in Vadodara
Microalbuminuria test in Vadodara
Diabetes Testing (FBS + PLBS) in Vadodara
Antithrombin III in Vadodara
D-dimer test in Vadodara
Creatine Kinase (CK) Test in Vadodara
AST Test in Vadodara
Cardiac Markers in Vadodara
Pap Smear - LBC in Vadodara
DVT Profile in Vadodara
Bleeding Time and Clotting Time (BT & CT) in Vadodara
Estradiol Test in Vadodara
hs-CRP Test in Vadodara
Alkaline Phosphatase (ALP) Test in Vadodara
Fertility Profile in Vadodara
Albumin blood test in Vadodara
Troponin T in Vadodara
Infertility Profile Extended in Vadodara
Electrolyte Panel in Vadodara
Anticardiolipin Antibodies (IgG) in Vadodara
PSA Test in Vadodara
FSH Test in Vadodara
STD Panel in Vadodara
PCOS Profile in Vadodara
Serum Iron Test in Vadodara
Cardiac Profile-III in Vadodara
Plasma Fibrinogen Test in Vadodara
HBsAg Test in Vadodara
Cardiac Biomarker Test in Vadodara
Herpes Simplex Virus (HSV) Types 1 and 2 Antibody Test in Vadodara
Antenatal Profile in Vadodara
Activated Partial Thromboplastin Time in Vadodara
Lipid Panel in Vadodara
Fine Needle Aspiration Cytology in Vadodara
CRP test in Vadodara
Joint Pain / SLE / Collagen Profile-I in Vadodara
PAPP-A Test in Vadodara
Insulin Test in Vadodara
Triple Screen Test in Vadodara
Anti-HCV Test in Vadodara
Basic Metabolic Panel (BMP) in Vadodara
Very low-density lipoprotein (VLDL) test in Vadodara
Free Testosterone in Vadodara
Triglycerides Test in Vadodara
Quad Screen in Vadodara
Folic Acid in Vadodara
Urinalysis in Vadodara
CEA Test in Vadodara
Ferritin Test in Vadodara
Transferrin Saturation% in Vadodara
Protein C Antigen in Vadodara
Alpha Feto Protein (AFP) - Fluid in Vadodara
CPK (MB) Test in Vadodara
Lupus Anticoagulant Testing in Vadodara
Reticulocyte Count in Vadodara
Infertility Profile-Basic in Vadodara
Beta hCG Test in Vadodara
DIABETIC PROFILE in Vadodara
LH Test in Vadodara
Anti-Müllerian Hormone (AMH) Test in Vadodara
Bile Salts and Bile Pigments, Urine in Vadodara
HbA1c in Vadodara
Vitamin D (1,25-Dihydroxyvitamin D) in Vadodara
Liver Function Test (LFT) in Vadodara
Anemia Profile Basic in Vadodara
Rheumatoid Factor in Vadodara
Widal Test in Vadodara
Bilirubin blood test in Vadodara
Inhibin A, Tumor Marker, Serum in Vadodara
Thyroid Function Tests in Vadodara
eGFR in Vadodara
Menopause Profile in Vadodara
EXTENDED DIABETIC PROFILE in Vadodara
LDH Test in Vadodara
Total Cholesterol Test in Vadodara
Random Blood Sugar Test in Vadodara
Total Protein Test in Vadodara
RPR test in Vadodara
Anti-dsDNA Test in Vadodara
HDL Cholesterol in Vadodara
Blood Type Test in Vadodara
ASO Titre in Vadodara
Blood Urea(Serum) Test in Vadodara
Postprandial Blood Sugar Test in Vadodara
Back Pain Profile in Vadodara
ANA test in Vadodara
Serum Creatinine Test in Vadodara
PT/INR Test in Vadodara
Fasting Blood Sugar Test in Vadodara
Extended Anemia Profile III Executive in Vadodara
Kidney Function Test (Renal Profile) in Vadodara
Serum Magnesium Test in Vadodara
Well-woman exam in Vadodara
LDL cholesterol test in Vadodara
Prolactin Test in Vadodara
Malaria Blood Smear in Vadodara
Liver Function Test (+GGT) in Vadodara
TPHA Test in Vadodara
Hepatitis B Surface Antigen (HBsAg) Test in Vadodara
Antenatal Profile 2 in Vadodara
TSH Test in Vadodara
Cardiac Catheterization in Vadodara
Cardiolipin Antibody (IgM) in Vadodara
Master Health Checkup (BL+RADIO) in Vadodara
Calcium Profile in Vadodara
Coagulation Profile in Vadodara
Uric Acid Test in Vadodara
Vitamin D (25 - Hydroxy Vitamin D, Serum) in Vadodara
Globulin Test in Vadodara
Fever Profile Test in Vadodara
Connective Tissue Disease Profile in Vadodara
Calcium Blood Test in Vadodara
IHC in Vadodara
Estriol Unconjugated (E3) Test in Vadodara
Blood Typing in Vadodara
Vitamin B12 Test in Vadodara
Serum Cortisol in Vadodara
Double Marker Test in Vadodara
Pap Smear, Conventional in Vadodara
Protein S Activity in Vadodara
Non-Invasive Prenatal Testing (NIPT) in Vadodara
whole exome sequencing in Vadodara
Newborn Screening (NBS) in Vadodara
Apolipoprotein A1 (Apo A1), Serum in Vadodara
Apolipoprotein B (Apo B), Serum in Vadodara
Renal Function Test (RFT) in Vadodara