US Clinical Labs Directory
Locate accredited Quest Diagnostics and Labcorp health facilities across the United States. Search or navigate to retrieve secure contact information.
Labs in Chicago, IL
Showing 30 of 30 verified laboratory facilities located in Chicago.
Quest Diagnostics - Chicago Chicago Loop
Quest Diagnostics Center
Quest Diagnostics - Chicago Lincoln Park
Quest Diagnostics Center
Quest Diagnostics - Chicago Hyde Park
Quest Diagnostics Center
Quest Diagnostics - Chicago Streeterville
Quest Diagnostics Center
Quest Diagnostics - Chicago Financial Loop
Quest Diagnostics Center
Quest Diagnostics - Chicago Wicker Park
Quest Diagnostics Center
Quest Diagnostics - Chicago Lakeview
Quest Diagnostics Center
Quest Diagnostics - Chicago Rogers Park
Quest Diagnostics Center
Quest Diagnostics - Chicago Logan Square
Quest Diagnostics Center
HbA1c Test Preparation & Guidance
Unlike standard fasting blood glucose tests, an **HbA1c screening does NOT require fasting**. You can eat and drink normally before arriving at Quest Diagnostics or Labcorp. Make sure to bring your doctor's official laboratory requisition form and your clinical ID cards.
Clinical Testing & A1C FAQs
Get expert, clinical answers to common questions about HbA1c screenings, outpatient lab networks, and diagnostic preparations.