Vitamin D, 25-OH, Total
Access Medical Labs
Sample type: Serum
Requires fasting: Yes
Sample collection required
Details
This test measures 25-hydroxy Vitamin D, the best indicator of vitamin D status. It can be used to monitor the effectiveness of supplementation and to assess patients with low calcium levels or symptoms of vitamin D deficiency.
- Vitamin D, 25-OH, Total
Estimated days for results: Results should arrive 2 business days after the lab receives samples.
Details
This test measures 25-hydroxy Vitamin D, the best indicator of vitamin D status. It can be used to monitor the effectiveness of supplementation and to assess patients with low calcium levels or symptoms of vitamin D deficiency.
What type of sample is required for this test?
Serum
Test Resources
For more information, please consult your healthcare provider.
2 business days
Sample collection must be performed by a phlebotomist, Monday - Friday only.
Please hydrate before your blood draw.
Fasting for 12 hours before your blood draw is required.
- Fasting before a blood draw means you don't eat or drink anything except water.
- Your doctor should provide any special instructions related to fasting for your test. Always follow your doctor's instructions.
Blood Draw Options with Fullscript
Fullscript offers several convenient phlebotomy options to complete your lab testing.
Preferred or Independent Phlebotomist
- Location: Use Fullscript's directory to find a local phlebotomist.
- Cost: Varies by provider; typically $30 – $80.
- Scheduling: Schedule your appointment here. Contact your selected provider directly for availability. Calling by phone is recommended.
- Collection Instructions:
- Bring a valid ID.
- Bring your digital or printed requisition form, available in the Labs tab of your Fullscript account.
- If you have ordered additional Access Medical Labs tests, collect those samples before your blood draw and bring them with you. YOU MUST ship all of your Access Medical Labs test samples together.
- More Info:
Getlabs Mobile Phlebotomy
- Location: Sample collection at your home or office.
- Cost: $85 sample collection fee (paid during lab order checkout).
- Availability: Available in most locations – enter your ZIP code during checkout to confirm.
- Scheduling: Schedule your appointment here through your Fullscript account.
- Collection Instructions:
- Have your digital or printed requisition form and valid ID ready.
- Your phlebotomist will contact you by phone to coordinate arrival.
- If you have ordered additional Access Medical Labs tests, collect those samples before your blood draw and have them ready to ship. YOU MUST ship all of your Access Medical Labs test samples together.
- More Info: Getlabs blood draw guide
Specimen
- Preferred Specimen(s): 1 mL serum
- Alternative: NA
- Minimum Volume: 1 mL
- Collection Instructions: Overnight (12-hour) patient fasting is required. Consumption of supplements or food with Vitamin K may elevate plasma concentrations of Vitamin K1 for testing.
Storage and shipping instructions
- Transport Container: Serum separator tube (SST)
- Transport Temperature: NA
- Specimen Stability:
- Room temperature: 24 hours
- Refrigerated: 7 days
- Reject Criteria: NA
State restrictions:
Patient can't order this test if they are located in Hawaii, Puerto Rico, New Jersey, New York, or Rhode Island
