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.
| 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 | The laboratory lists this as a fasting test but has not supplied a fasting duration. Obtain the duration from the collection team before your appointment. |
| Before collection | Tell your clinician about B12 tablets or injections, which can affect the result. |
The current Active Vitamin B12 (holotranscobalamin) price in Pune is Rs. 1025. The final booking details are shown before you confirm.
The laboratory lists this as a fasting test but has not supplied a fasting duration. Obtain the duration from the collection team before your appointment.
Select Add to Cart or Book Now, choose a suitable slot and provide your address and pincode. Home collection is available where serviceable.
Payment is made after sample collection. Review the final booking amount before confirming your order; the collection team can confirm the available payment methods.
Your report shows the laboratory reference range. A doctor can interpret the result together with your symptoms, medical history and other tests.
Thyrocare states that most test reports are available within 24–48 hours after the sample reaches the laboratory, depending on the test. This is a general estimate, not a guaranteed turnaround for this test; sample transport time is additional. Completed reports are shared digitally.
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