These are the general instructions for fasting:
  • You may drink water.

  • If you are on any medications, ask your medical provider.

  • Remember to bring your ID card and prescription (except for COVID-19 tests) and your health insurance card (in case you have health insurance).

  • Babies: Ask your child's pediatrician. You may go to our centers with experts in pediatric blood draws.

  • Digital physician's prescriptions are welcome; no printing necessary.
  • 8-hour fasting: general tests, including urinalysis.

  • 12-hour fasting: Total cholesterol/HDL-/LDL-cholesterol Liver function tests. Triglycerides Total lipids Lipid panel.

Prolactin and Cortisol: before 8:30 a.m.
Please note that these tests require a 20-minute rest prior to testing.
Glucose tolerance test: Monday-Friday 7:30 a.m.–10:00 a.m. and Saturday only at 8:00 a.m.