Contact Inova Laboratories
Providers For medical staff in need of lab work, staff is available 24/7 to provide results, schedule pickups and answer questions. Call us or fax your requisitions: 703-645-6175 (phone) 703-645-6136 (fax) Request a Quote Patients Call our Client Service Center: 703-645-6175 For all locations and hours, see our list of lab testing patient service centers throughout Northern Virginia.