June 2, 2025
Download Active Vitamin B12 (holotranscobalamin) Test Visual Guide infographic (PNG)
Active Vitamin B12 (holotranscobalamin) is a laboratory test. Measures the active fraction of vitamin B12 to help investigate suspected B12 deficiency.
Your clinician can advise whether this test is appropriate for you. The result should be read with the laboratory range, symptoms, medical history and other relevant results. The listed sample type is Blood (Serum).
Reference ranges vary by laboratory and method. Use the range printed on your final report. The information below is educational only. For Lucknow bookings, read this along with the city price, fasting note and home sample collection details on this page.
| Measure | Typical guide |
|---|---|
| Interpretation | An indeterminate result may need methylmalonic acid testing and clinical assessment. This is a different measurement from total vitamin B12. |
| Reason | Description |
|---|---|
| Purpose | Measures the active fraction of vitamin B12 to help investigate suspected B12 deficiency. |
| Situation | Description |
|---|---|
| Clinical context | Discuss this test with your clinician in the context of your symptoms, history and other results. |
| Topic | Guidance |
|---|---|
| Fasting | Fasting requirement varies for this test. Follow the fasting period shown during booking; water is usually allowed unless your clinician gives different instructions. |
| Before collection | Tell your clinician about B12 tablets or injections, which can affect the result. |
The current Active Vitamin B12 (holotranscobalamin) price in Lucknow is Rs. 1025. The final booking details are shown before you confirm.
Fasting requirement varies for Active Vitamin B12 (holotranscobalamin). Follow the fasting period shown during booking; water is usually allowed unless your clinician gives different instructions.
Select Add to Cart or Book Now, choose a suitable slot and provide your address and pincode. Home collection is available where serviceable.
The payment option shown in the active booking flow applies to your order. Confirm the final amount and collection details before completing the booking.
Your report shows the laboratory reference range. A doctor can interpret the result together with your symptoms, medical history and other tests.
Report timing is shown during booking and can vary by test. Completed reports are shared digitally once the laboratory has processed the sample.
Free Home Sample Collection in Lucknow
Coverage for home collection
Popular neighbourhoods include Indira Nagar · Aliganj · Gomti Nagar · Alambagh · Lucknow Gpo · Aashiyana · Chowk · Faizabad Road · Rajaji Puram · Bangla Bazar · Mahanagar · Aliganj Extension · Hazratganj · Kanpur Road · Rajaji Puram Lucknow · Aishbagh · Amberganj · Chinhat · Daud Plaza · Faizabad Rd. Enter your pincode to confirm home collection.