Fasting is indeed required for certain laboratory tests performed at Quest Diagnostics - NY, NJ. Some common tests that typically require fasting include glucose tests, lipid panels, and certain metabolic panels. Fasting usually means refraining from all food and drink, except for water, for a specific period, often around 8 to 12 hours before the test. However, not all tests require fasting, and the requirements can vary based on the type of test or the healthcare provider's instructions. It is always advisable for patients to check the specific requirements for their tests. For the most accurate and up-to-date information, individuals may consider visiting the current Quest Diagnostics website or referring to their healthcare provider for guidance on fasting and preparation for scheduled tests.