Comprehensive Neurotransmitters Profile - 24 hour

Test Details

Lab Company: Labrix by Doctor's Data
Sample Type: Urine
Collection Location:  At Home

The Comprehensive Neurotransmitter Profile analyzes a patient's ability to synthesize and metabolize neurotransmitters by measuring the levels of neurotransmitters excreted in urine. These instructions are for the 24-hour collection.     

🔑 Key Details 📦 Shipping
Preparation & Timing 📊 Results
🧪 Collection Instructions 📚 More Resources
💳 Requisition & Payment
💬 Questions?

Key Details 

  • Do not collect while menstruating.
  • Certain foods should be avoided for 24-48 hours prior to and during collection. 
  • Avoid strenuous exercise and the use of tobacco or nicotine products for 24 hours prior to and during collection.
  • Avoid supplements and medications on the day of collection, if possible. 
  • The sample can only be shipped Monday - Friday.
  • The sample and the provided ice pack should be frozen for at least 4-6 hours prior to shipping. 
    • Keep in the freezer until you ship. 

back to top

Preparation & Timing

  • Do not collect while menstruating.
  • Avoid the following foods for 48 hours prior to and during collection.
    • Avocados
    • Eggplant
    • Tomatoes
    • Bananas
    • Melons
    • Pineapple
    • Grapefruit
    • Plums
    • Nuts
    • Nut butter
    • Wine
    • Cheese
    • Rice
    • Chocolate
  • Avoid the following foods, products, and activities for 24 hours prior to and during collection.
    • Alcohol
    • Coffee
    • Tea
    • Caffeinated beverages
    • Tobacco products
    • Nicotine products
    • Strenuous exercise
  • Avoid supplements and medications on the day of collection.  
    • Consult with your healthcare practitioner prior to discontinuing any prescription medications. 
  • You will be collecting urine beginning with the second urination of day 1 and ending with the first urination of day 2.

back to top

Collection Instructions

  1. When you wake up, urinate and do not collect. 
  2. You will collect your urine for 24 hours.
    1. The collection period will start with your second urination on day 1.
    2. The collection period will end with your first urination on day 2.
  3. For each urination, collect urine in the collection cup.
  4. Pour the urine into the large orange collection container.
  5. Place the collection container in the refrigerator. 
  6. Once all of the urine has been collected, place the orange collection container on a level surface.
  7. Read the volume from the markings on the container.
  8. On the requisition form, note the total volume you collected. 
  9. Shake the large container to mix the urine.
  10. Pour the urine into the specimen vial.
    1. Do NOT touch or discard the preservative in the vial. 
  11. Fill the vial to the FILL LINE.
    1. Do NOT underfill. 
  12. Close the vial tightly
  13. Gently shake the tube to mix the urine with the preservative.
  14. Place the vial in the plastic ziplock bag with the absorbent material. 
  15. Seal the bag.
  16. Freeze the urine sample and the provided ice pack for at least 4-6 hours.
    1. Keep the sample in the freezer until you are ready to ship. 

back to top

Requisition & Payment

  • Your kit has been prepaid. You DO NOT need to pay anything extra.
  • Instructions on how to fill out your requisition can be found HERE.
    • Since you pre-paid for your tests, you do not need to fill in the payment information on any of these forms.
    • Make sure to note the total volume of urine collected.

back to top


  • Ship Monday - Friday only.
  • Freeze the ice pack for at least 4-6 hours prior to shipping. 
  • To prepare your samples for shipping. 
    • Remove the urine sample from the freezer.
    • Place the insulated cooler into the cardboard test kit box.
    • Place the urine sample in the insulated cooler
    • Place the frozen ice pack into the insulated cooler.
    • Place the completed test requisition form into the insulated cooler
    • Place the lid on the cooler and close the cardboard box.
    • Place the cardboard box into the FedEx Clinical Pak.
    • Fill in your information on the Billable Stamp and place it on the FedEx Clinical Pak. 
      • Keep the customer receipt.
  • Make a note of your tracking number so that you can track the sample back to the lab.
  • Ship using FedEx. 
    • Do NOT place your samples in a FedEx drop box. 
    • You can schedule a FedEx pickup by calling 1-800-463-3339
      • At the automated greeting, say, "schedule a pickup."
      • At the next prompt, say, "schedule a pickup with a label or stamp." 
      • You will be asked if the waybill says "stamp" - say, "yes."
      • Then give your address information. 

back to top


  • Results should be released to your provider 5-7 business days after samples are received at the lab. We cannot guarantee processing time. 
  • Your provider will notify you when your results are in and schedule a follow-up appointment for you to review them together. 
  • Your provider may choose to release your results to you. Rupa cannot release your results without provider authorization.

back to top

More Resources

back to top


For general questions, email Rupa Health at For test-specific questions, contact Doctor's Data by calling 800-323-2784 or chatting with support