Illinois

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Testing Lab Services in Illinois

Speedy Testing, Accurate Results. Every Time.

When you need drug screenings or DNA testing, you need highly accurate results, in a hurry. That’s why FastestLabs® is partnering with Quest Diagnostics to bring our exceptional testing services to locations throughout Illinois. Our highly experienced team offers a streamlined testing process for anyone in need of drug or DNA testing services, including employers, athletes, parents, and more. With more than a decade of industry experience, we’re ready to provide fast, accurate test results, with the utmost level of privacy and professionalism.

If there isn’t a Fastest Labs facility near you, you can head over to any of the locations below to get access to our drug testing services all across Illinois. (Important: Please bring your Fastest Labs chain of custody paperwork with you before you arrive for a drug test – contact your local Fastest Labs for additional instructions).

  • Alton
    Quest Diagnostics
    237B E Center Dr.
    Alton, IL 62002
  • Belleville
    Quest Diagnostics
    3030 Frank Scott Pkwy. W, Ste 5
    Belleville, IL 62223
  • Carbondale
    Quest Diagnostics
    900 East Walnut St. Ste 4
    Carbondale, IL 62901
  • Columbia
    Quest Diagnostics
    1000 Eleven S, Ste 2H
    Columbia, IL 62236
  • Decatur
    Quest Diagnostics
    2905 N Main St. Ste B
    Decatur, IL 62526
  • Maryville
    Quest Diagnostics
    2136 Vadalabene Dr. Ste A
    Maryville, IL 62062
  • Mount Vernon
    Quest Diagnostics
    4 Cusumano Professional Plaza Dr. Ste B
    Mount Vernon, IL 62864
  • Springfield
    Quest Diagnostics
    3119 Robbins Rd.
    Springfield, IL 62704
  • Waterloo
    Quest Diagnostics
    509 Hamacher St. Ste 201
    Waterloo, IL 62298
  • Arlington Heights
    Quest Diagnostics
    1100 W Central Rd. Ste 402
    Arlington Heights, IL 60005
  • Aurora
    Quest Diagnostics
    2088 Ogden Ave. Ste 240
    Aurora, IL 60504
  • Barrington
    Quest Diagnostics
    22285 Pepper Rd. Ste 107
    Barrington, IL 60010
  • Batavia
    Quest Diagnostics
    1180 W Wilson St. Ste D
    Batavia, IL 60010
  • Bloomingdale
    Quest Diagnostics
    471 W Army Trail Rd. Ste 101
    Bloomingdale, IL 60108
  • Glendale Heights
    Quest Diagnostics
    303 E Army Trail Rd. Ste 111
    Bloomingdale, IL 60108
  • Bloomington
    Quest Diagnostics
    503 N Prospect Rd. Ste 309
    Bloomington, IL 61704
  • Bolingbrook
    Quest Diagnostics
    484 W Boughton Rd. Ste 100
    Bolingbrook, IL 60440
  • Kankakee
    Quest Diagnostics
    175 E Bethel Dr.
    Bourbonnais, IL 60914
  • Buffalo Grove
    Quest Diagnostics
    1450 Busch Pkwy.
    Buffalo Grove, IL 60089
  • Champaign
    Quest Diagnostics
    2107 S Neil St.
    Champaign, IL 61820
  • Chicago
    Quest Diagnostics
    3000 N Halsted St. Ste 604
    Chicago, IL 60657
  • Parkway Plaza
    Quest Diagnostics
    4126 N Milwaukee Ave.
    Chicago, IL 60641
  • Chicago Loop
    Quest Diagnostics
    111 N Wabash Ave. Ste 1514
    Chicago, IL 60602
  • Chicago
    Quest Diagnostics
    2800 N Sheridan Rd. Ste G1
    Chicago, IL 60657
  • Chicago
    Quest Diagnostics
    8751 S Greenwood Ave. Ste 106
    Chicago, IL 60619
  • Chicago
    Quest Diagnostics
    4801 W Peterson Ave. Ste 205
    Chicago, IL 60646
  • Blackhawk
    Quest Diagnostics
    1460 N Halsted St. Ste 201
    Chicago, IL 60642
  • Crystal Lake
    Quest Diagnostics
    260 E Congress Pkwy. Ste E
    Crystal Lake, IL 60014
  • DeKalb
    Quest Diagnostics
    3244 Sycamore Rd. Unit B
    DeKalb, IL 60115
  • Elgin
    Quest Diagnostics
    885 S Randall Rd.
    Elgin, IL 60123
  • Evanston St. Francis
    Quest Diagnostics
    800 Austin St. East Tower, Ste 457
    Evanston, IL 60202
  • Flossmoor
    Quest Diagnostics
    19150 South Kedzie Ave. Ste 101
    Flossmoor, IL 60422
  • Geneva
    Quest Diagnostics
    2631 Williamsburg Ave. Ste 206
    Geneva, IL 60134
  • Glenview
    Quest Diagnostics
    2551 Compass Rd. Ste 120
    Glenview, IL 60026
  • Gurnee
    Quest Diagnostics
    15 Tower Ct. Ste 170
    Gurnee, IL 60031
  • Hinsdale
    Quest Diagnostics
    534 Chestnut St. Ste 230
    Hinsdale, IL 60521
  • Hoffman Estates
    Quest Diagnostics
    2500 W Higgins Rd. Ste 460
    Hoffman Estates, IL 60169
  • Joliet
    Quest Diagnostics
    310 N Hammes Ave. Ste 102
    Joliet, IL 60435
  • Lansing
    Quest Diagnostics
    17665 Torrence Ave.
    Lansing, IL 60438
  • Lindenhurst
    Quest Diagnostics
    1854 E Grand Ave.
    Lindenhurst, IL 60046
  • Lombard
    Quest Diagnostics
    2340 S Highland Ave. Ste 330
    Lombard, IL 60148
  • Lombard North
    Quest Diagnostics
    340 E North Ave. Ste
    Lombard, IL 60148
  • Mokena
    Quest Diagnostics
    19070 Everett Blvd. Unit 111
    Mokena, IL 60448
  • Naperville
    Quest Diagnostics
    640 S Washington St. Ste 140
    Naperville, IL 60540
  • Oak Lawn
    Quest Diagnostics
    10837 S Cicero Ave. Ste 310
    Oak Lawn, IL 60453
  • Oak Park
    Quest Diagnostics
    610 S Maple Ave. Ste 5800
    Oak Park, IL 60304
  • Orland Park
    Quest Diagnostics
    9046 W 159th St.
    Orland Park, IL 60462
  • Palatine
    Quest Diagnostics
    337 W Northwest Hwy.
    Palatine, IL 60067
  • Park Ridge
    Quest Diagnostics
    1600 Dempster St. Ste 218
    Park Ridge, IL 60068
  • Plainfield Edwards
    Quest Diagnostics
    24600 W 127th St. Bldg B, Ste 310
    Plainfield, IL 60585
  • Rockford
    Quest Diagnostics
    5901 E Riverside Blvd.
    Rockford, IL 61114
  • Rockford
    Quest Diagnostics
    641 Highgrove Pl.
    Rockford, IL 61108
  • Schaumburg
    Quest Diagnostics
    808 E Woodfield Rd. Ste 400
    Schaumburg, IL 60173
  • Skokie
    Quest Diagnostics
    4709 W Golf Rd. Ste 806
    Skokie, IL 60076
  • Vernon Hills East
    Quest Diagnostics
    565 Lakeview Pkwy. Ste 100
    Vernon Hills, IL 60061
  • Westmont
    Quest Diagnostics
    1113 Fairview Ave.
    Westmont, IL 60559
  • Woodridge
    Quest Diagnostics
    7530 Woodward Ave. Ste G
    Woodridge, IL 60517
  • Yorkville
    Quest Diagnostics
    1100 W Veterans Pkwy. Ste 230
    Yorkville, IL 60560
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