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 chemical testing services to locations throughout Illinois. Our highly experienced team offers a streamlined testing process for anyone in need of chemical 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.

Need DNA or chemical testing in Illinois? Find the location closest to you from the list below, and give us a call to schedule an appointment.

  • 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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