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If your laboratory test requires fasting, please follow these instructions:
  • We prefer that you are hydrated, but please drink water only.
  • Do not eat or drink anything other than water (not even coffee) for 12 hours before your lab test.
  • Medications are allowed but please take them only with water.

If you have questions, please call 973-998-8189 or toll free at 1866-Fusion-Lab


At Fusion Diagnostics Laboratories we are committed to making your lab experience a positive one. Please alert our staff if you feel anxious about having your blood drawn or if you have fainted in the past. We are dedicated to making you feel at ease, start to finish.


When your physician has orders Lab Work you may schedule an appointment by calling 973-998- 8189 or toll free at 1866-Fusion-Lab. You may also use our E appointment portal.
Please bring the following to your appointment:

  • Your insurance card
  • Your driver’s license or another form of valid photo ID
  • Your test requisition (test order form)

Please alert our staff if there have been any changes in your personal information (name, address, phone number, insurance plan) 


Reactions to blood draws are rare and, if they occur, are usually mild. Side effects are similar to those experienced by some people following a blood donation. We recommend the following precautions:

  • Wait at least 15 minutes before removing the bandage.
  • If you feel dizzy or lightheaded, lie down immediately and elevate your legs until the feeling passes.
  • In rare cases where bleeding occurs after removing the bandage, apply pressure to the site of the bleeding and raise your arm for 3 to 5 minutes.
  • If bleeding or bruising occurs under the skin, apply a cold pack to the area periodically for the first 24 hours.

For 12 hours after your blood draw: Avoid heavy lifting.

Drink plenty of fluids and avoid strenuous exercise. Eat a healthy meal.

Contact your doctor if you:

  • Continue to feel nauseated, lightheaded or dizzy after resting, eating or drinking.
  • Feel pain or tingling down your arm, into your fingers.


Often tests will require special preparation. Below you will find a list of those most common
You will also find links with step by step detailed instructions in both English and Spanish. If you have additional questions or concerns you may call us at 973-998-8189 or toll free at 1866-Fusion-Lab

“Clean – Catch” Urine Collection (English) 

“Clean – Catch” Urine Collection (Spanish) 

Stool Sample 

Stool Collection 24, 48, 72 (Spanish) 

Stool Specimen for Occult Blood (Spanish)