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Booking and preparing your lab visit

Where can I do my lab visit?

All your panels must be done in a Lucis partner lab: https://www.lucis.life/fr/maps All blood draws take place at the lab: a nurse can't come to your home.

When can I book?

  • Any day from Monday to Saturday. The Vitamins & Antioxidant Panel can only be booked from Monday to Wednesday.

  • All lab visits take place in the morning, between 7 AM and 11 AM. The Athlete Panel must be done between 7 AM and 9 AM.

  • If your visit includes the Complete Panel, book it at least 10 days ahead: we need that time to ship your Lucis Home Kit.

  • If your panel needs to be done at a specific point of your menstrual cycle, your pre-visit instructions will tell you.

How do I prepare?

Your pre-visit instructions are in your Lucis space and are adapted to the panels you chose: they are the reference for your visit. Some panels require fasting and some don't: your instructions tell you what applies to you.

Do I receive a home kit?

  • Baseline: no kit. Your urine sample is collected at the lab.

  • Complete (Care, Care + Gut and Peak upgrades): the Lucis Home Kit, for the saliva and urine samples you collect at home.

  • Gut Microbiome Panel: a stool kit. Your kit is sent once you have booked your visit. Collect your Lucis Home Kit samples on the morning of your visit and bring them to the lab: they can't be collected there.

Can I add a service to a visit I already booked?

No. Cancel your visit, buy the additional service, then book a new visit for all your panels.

Can I remove a panel from a visit I already booked?

Yes. Write to support and we'll update your visit with the lab.

If I move my appointment, do all my services move together?

Yes. When you move your appointment, all the services booked for that visit move with it.

At the lab, a test isn't on my ticket: what do I do?

Show the front desk your lab visit voucher (bon de visite), available in your Lucis space: it lists all the tests for your visit. If the lab and your voucher don't match, call us at +33 4 11 78 97 99.

The lab refuses my blood draw: what do I do?

Show your lab visit voucher (bon de visite) and ask to speak to the lab director. A lab can refuse a visit that wasn't booked through Lucis, if you didn't bring your Lucis Home Kit samples (Complete Panel), or if you didn't follow the preparation in your pre-visit instructions. If in doubt, call us at +33 4 11 78 97 99.

Can I do my panels while pregnant or breastfeeding?

No, you can't do a core panel while pregnant or breastfeeding. Write to support to pause your subscription during your pregnancy: your panels, including your Retest Panel, don't expire. After giving birth, we recommend waiting 4 to 6 months, and checking the timing with your doctor or midwife.

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