CLIA lookup
CLIA Labs in Illinois
Every lab with an active CLIA certificate in Illinois, by city.
10,331 labs in Illinois hold an active CLIA certificate in the CMS file posted October 16, 2026.
8,554 of them hold a Certificate of Waiver.
Source: CMS Provider of Services File, Clinical Laboratories (CLIA), as of October 16, 2026. Publisher page
License: a US government work, in the public domain (Public Domain Mark 1.0).
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Certificates in Illinois
- Certificate of Waiver
- 8,554
- Certificate for Provider-Performed Microscopy Procedures
- 855
- Certificate of Accreditation
- 541
- Certificate of Compliance
- 321
- Certificate of Registration
- 60
Source: CMS Provider of Services File, Clinical Laboratories (CLIA), as of October 16, 2026. Publisher page
By city
- Chicago1,602 active labs
- Naperville195 active labs
- Peoria161 active labs
- Springfield156 active labs
- Rockford148 active labs
- Aurora125 active labs
- Skokie116 active labs
- Joliet115 active labs
- Orland Park113 active labs
- Des Plaines106 active labs
- Elgin103 active labs
- Schaumburg101 active labs
- Arlington Heights92 active labs
- Oak Lawn91 active labs
- Bloomington89 active labs
- Downers Grove88 active labs
- Northbrook82 active labs
- Bolingbrook78 active labs
- Oak Park78 active labs
- Decatur76 active labs
- Glenview75 active labs
- Tinley Park74 active labs
- Hoffman Estates73 active labs
- Libertyville73 active labs
- Evanston69 active labs
- Moline69 active labs
- Champaign68 active labs
- Lombard67 active labs
- Park Ridge67 active labs
- Elmhurst65 active labs
- Crystal Lake63 active labs
- Hinsdale61 active labs
- Quincy61 active labs
- Mount Vernon59 active labs
- Bloomingdale56 active labs
- Carbondale56 active labs
- Gurnee56 active labs
- Marion55 active labs
- New Lenox55 active labs
- Niles55 active labs
- Plainfield55 active labs
- Oak Brook53 active labs
- Belleville52 active labs
- Kankakee52 active labs
- Normal50 active labs
- Barrington45 active labs
- Bourbonnais45 active labs
- Buffalo Grove45 active labs
- Wheaton45 active labs
- Palos Heights44 active labs
- Galesburg43 active labs
- Danville41 active labs
- Highland Park41 active labs
- Mchenry41 active labs
- Elk Grove Village40 active labs
- Waukegan40 active labs
- Effingham39 active labs
- O Fallon38 active labs
- Vernon Hills37 active labs
- Geneva36 active labs
- Mount Prospect36 active labs
- Evergreen Park35 active labs
- Saint Charles35 active labs
- Westmont35 active labs
- Lake Forest34 active labs
- Maryville34 active labs
- Morris34 active labs
- Alton33 active labs
- Berwyn33 active labs
- Glen Ellyn33 active labs
- Lisle33 active labs
- Addison32 active labs
- Macomb32 active labs
- Melrose Park32 active labs
- Ottawa32 active labs
- Palatine32 active labs
- Sycamore32 active labs
- Algonquin31 active labs
- Jacksonville31 active labs
- Urbana31 active labs
- Freeport30 active labs
- Lincolnwood30 active labs
- Mokena30 active labs
- Cicero29 active labs
- Huntley29 active labs
- Rolling Meadows29 active labs
- Centralia28 active labs
- Deerfield28 active labs
- Olympia Fields28 active labs
- Dekalb27 active labs
- Morton27 active labs
- Burr Ridge26 active labs
- Edwardsville26 active labs
- Hazel Crest26 active labs
- Lemont26 active labs
- Pekin26 active labs
- Granite City25 active labs
- Homewood25 active labs
- Oakbrook Terrace25 active labs
- Oswego25 active labs
- Wheeling25 active labs
- Frankfort24 active labs
- South Elgin24 active labs
- Swansea24 active labs
- Woodridge24 active labs
- Dixon23 active labs
- Grayslake23 active labs
- South Holland23 active labs
- Yorkville23 active labs
- Calumet City22 active labs
- Fairview Heights22 active labs
- Palos Hills22 active labs
- Salem22 active labs
- Benton21 active labs
- Chicago Heights21 active labs
- Flossmoor21 active labs
- La Grange21 active labs
- Mattoon21 active labs
- Shiloh21 active labs
- St Charles21 active labs
- Sterling21 active labs
- Woodstock21 active labs
- Batavia20 active labs
- Belvidere20 active labs
- Harrisburg20 active labs
- Olney20 active labs
- Pontiac20 active labs
- Rock Island20 active labs
- Willowbrook20 active labs
- Lake Zurich19 active labs
- Lockport19 active labs
- Peru19 active labs
- Bartlett18 active labs
- Canton18 active labs
- Collinsville18 active labs
- East Peoria18 active labs
- Glen Carbon18 active labs
- Herrin18 active labs
- Morton Grove18 active labs
- Mundelein18 active labs
- River Forest18 active labs
- Westchester18 active labs
- Wilmette18 active labs
- Charleston17 active labs
- Chicago Ridge17 active labs
- Columbia17 active labs
- Greenville17 active labs
- Highland17 active labs
- Lake Bluff17 active labs
- Loves Park17 active labs
- Maywood17 active labs
- Burbank16 active labs
- Kewanee16 active labs
- Lincoln16 active labs
- Lincolnshire16 active labs
- Litchfield16 active labs
- Matteson16 active labs
- Streamwood16 active labs
- Villa Park16 active labs
- Warrenville16 active labs
- Zion16 active labs
- Anna15 active labs
- Carol Stream15 active labs
- Lansing15 active labs
- Metropolis15 active labs
- Paris15 active labs
- Streator15 active labs
- Vandalia15 active labs
- Carlinville14 active labs
- Darien14 active labs
- Elmwood Park14 active labs
- Fairfield14 active labs
- Godfrey14 active labs
- Homer Glen14 active labs
- Mount Carmel14 active labs
- Robinson14 active labs
- Round Lake Beach14 active labs
- Silvis14 active labs
- Taylorville14 active labs
- Washington14 active labs
- Waterloo14 active labs
- Winfield14 active labs
- Carmi13 active labs
- Channahon13 active labs
- Crestwood13 active labs
- Monmouth13 active labs
- Norridge13 active labs
- Rochelle13 active labs
- Romeoville13 active labs
- Sparta13 active labs
- West Chicago13 active labs
- West Frankfort13 active labs
- Breese12 active labs
- Geneseo12 active labs
- Hanover Park12 active labs
- Harvey12 active labs
- Jerseyville12 active labs
- Lindenhurst12 active labs
- Nashville12 active labs
- North Aurora12 active labs
- Northfield12 active labs
- Oak Forest12 active labs
- Princeton12 active labs
- Sandwich12 active labs
- Savoy12 active labs
- Alsip11 active labs
- Bridgeview11 active labs
- Du Quoin11 active labs
- East Moline11 active labs
- Franklin Park11 active labs
- Gibson City11 active labs
- Murphysboro11 active labs
- Pittsfield11 active labs
- Rosemont11 active labs
- Shorewood11 active labs
- Winnetka11 active labs
- Bannockburn10 active labs
- Blue Island10 active labs
- Eldorado10 active labs
- Eureka10 active labs
- Flora10 active labs
- Forsyth10 active labs
- Hillside10 active labs
- Itasca10 active labs
- Lake Barrington10 active labs
- Lake In The Hills10 active labs
- Machesney Park10 active labs
- Monticello10 active labs
- Troy10 active labs
- Watseka10 active labs
- Wood River10 active labs
- Aledo9 active labs
- Carlyle9 active labs
- Chatham9 active labs
- Clinton9 active labs
- Hickory Hills9 active labs
- Hillsboro9 active labs
- Morrison9 active labs
- Pana9 active labs
- Rolling Mdws9 active labs
- Roselle9 active labs
- Antioch8 active labs
- Beardstown8 active labs
- Bensenville8 active labs
- Bradley8 active labs
- Chester8 active labs
- Countryside8 active labs
- Crest Hill8 active labs
- Forest Park8 active labs
- Harwood Heights8 active labs
- Lake Villa8 active labs
- Lawrenceville8 active labs
- Marshall8 active labs
- Newton8 active labs
- North Riverside8 active labs
- Northlake8 active labs
- Oakbrook Ter8 active labs
- Pinckneyville8 active labs
- Roscoe8 active labs
- Shelbyville8 active labs
- Broadview7 active labs
- Carrollton7 active labs
- Carterville7 active labs
- Carthage7 active labs
- Crete7 active labs
- Galena7 active labs
- Mahomet7 active labs
- Mascoutah7 active labs
- Mendota7 active labs
- Montgomery7 active labs
- North Chicago7 active labs
- Palos Park7 active labs
- Petersburg7 active labs
- Rantoul7 active labs
- Riverside7 active labs
- Rock Falls7 active labs
- Rushville7 active labs
- South Barrington7 active labs
- Sullivan7 active labs
- West Dundee7 active labs
- Altamont6 active labs
- Bedford Park6 active labs
- Bethalto6 active labs
- Brookfield6 active labs
- Cary6 active labs
- Deer Park6 active labs
- E St Louis6 active labs
- Fairbury6 active labs
- Fox Lake6 active labs
- Glendale Heights6 active labs
- La Grange Park6 active labs
- Long Grove6 active labs
- Manteno6 active labs
- Merrionette Park6 active labs
- Milan6 active labs
- Mount Sterling6 active labs
- Paxton6 active labs
- Red Bud6 active labs
- Rochester6 active labs
- Sugar Grove6 active labs
- Tuscola6 active labs
- Wood Dale6 active labs
- Bellwood5 active labs
- Carpentersville5 active labs
- Chillicothe5 active labs
- Clarendon Hills5 active labs
- Coal City5 active labs
- Dolton5 active labs
- Dwight5 active labs
- El Paso5 active labs
- Fox River Grove5 active labs
- Glencoe5 active labs
- Havana5 active labs
- Hoopeston5 active labs
- La Salle5 active labs
- Markham5 active labs
- Marseilles5 active labs
- Mcleansboro5 active labs
- Minooka5 active labs
- Momence5 active labs
- Peoria Heights5 active labs
- Sherman5 active labs
- Staunton5 active labs
- Wauconda5 active labs
- Arthur4 active labs
- Byron4 active labs
- Casey4 active labs
- Christopher4 active labs
- Country Club Hills4 active labs
- Farmington4 active labs
- Freeburg4 active labs
- Fulton4 active labs
- Galva4 active labs
- Gillespie4 active labs
- Harvard4 active labs
- Henry4 active labs
- Highwood4 active labs
- Hopedale4 active labs
- Kenilworth4 active labs
- Lebanon4 active labs
- Lena4 active labs
- Marengo4 active labs
- Park City4 active labs
- Plano4 active labs
- Prophetstown4 active labs
- Richton Park4 active labs
- Schiller Park4 active labs
- Spring Valley4 active labs
- Vienna4 active labs
- Western Springs4 active labs
- Wilmington4 active labs
- Winchester4 active labs
- Albion3 active labs
- Ashton3 active labs
- Auburn3 active labs
- Bartonville3 active labs
- Beecher3 active labs
- Cahokia3 active labs
- Calumet Park3 active labs
- Cambridge3 active labs
- Caseyville3 active labs
- Diamond3 active labs
- East Alton3 active labs
- East Dundee3 active labs
- Elburn3 active labs
- Gilman3 active labs
- Glenwood3 active labs
- Grayville3 active labs
- Great Lakes3 active labs
- Hardin3 active labs
- Inverness3 active labs
- Island Lake3 active labs
- Kildeer3 active labs
- Lacon3 active labs
- Louisville3 active labs
- Lyons3 active labs
- Manhattan3 active labs
- Manito3 active labs
- Mc Leansboro3 active labs
- Millstadt3 active labs
- Mount Carroll3 active labs
- Mt Zion3 active labs
- Neoga3 active labs
- Oregon3 active labs
- Prospect Heights3 active labs
- River Grove3 active labs
- Riverwoods3 active labs
- Roanoke3 active labs
- Roodhouse3 active labs
- Rosiclare3 active labs
- Round Lake3 active labs
- Sauk Village3 active labs
- South Beloit3 active labs
- South Chicago Heights3 active labs
- Spring Grove3 active labs
- Stickney3 active labs
- Stronghurst3 active labs
- Summit3 active labs
- Third Lake3 active labs
- Tilton3 active labs
- Trenton3 active labs
- Worth3 active labs
- Alhambra2 active labs
- Amboy2 active labs
- Arcola2 active labs
- Arlington Hts2 active labs
- Assumption2 active labs
- Barry2 active labs
- Beach Park2 active labs
- Braidwood2 active labs
- Bridgeport2 active labs
- Brighton2 active labs
- Brimfield2 active labs
- Bushnell2 active labs
- Cahokia Heights2 active labs
- Carrier Mills2 active labs
- Chrisman2 active labs
- Cissna Park2 active labs
- Coulterville2 active labs
- Delavan2 active labs
- Dongola2 active labs
- Durand2 active labs
- East Saint Louis2 active labs
- East St Louis2 active labs
- Flanagan2 active labs
- Ford Heights2 active labs
- Franklin Grove2 active labs
- Girard2 active labs
- Glasford2 active labs
- Golden2 active labs
- Greenfield2 active labs
- Greenup2 active labs
- Hamilton2 active labs
- Herscher2 active labs
- Heyworth2 active labs
- Hodgkins2 active labs
- Hoffman Est2 active labs
- Ingleside2 active labs
- Johnston City2 active labs
- Junction2 active labs
- Knoxville2 active labs
- Lakemoor2 active labs
- Le Roy2 active labs
- Lewistown2 active labs
- Lynwood2 active labs
- Martinsville2 active labs
- Mason City2 active labs
- Mc Cook2 active labs
- Metamora2 active labs
- Midlothian2 active labs
- Milford2 active labs
- Mossville2 active labs
- Moweaqua2 active labs
- Mt Carmell2 active labs
- Mt Prospect2 active labs
- Nauvoo2 active labs
- New Baden2 active labs
- Nokomis2 active labs
- Oakland2 active labs
- Orion2 active labs
- Orland Hills2 active labs
- Peotone2 active labs
- Polo2 active labs
- Princeville2 active labs
- Pulaski2 active labs
- Richmond2 active labs
- Riverdale2 active labs
- Robbins2 active labs
- Roseville2 active labs
- S Barrington2 active labs
- Sauget2 active labs
- Savanna2 active labs
- Seneca2 active labs
- Sesser2 active labs
- Sheffield2 active labs
- Steeleville2 active labs
- Steger2 active labs
- Stockton2 active labs
- Tamms2 active labs
- Toledo2 active labs
- Tremont2 active labs
- Ullin2 active labs
- University Park2 active labs
- Utica2 active labs
- Virginia2 active labs
- Walnut2 active labs
- Wayne City2 active labs
- West Peoria2 active labs
- White Hall2 active labs
- Winnebago2 active labs
- Woodhull2 active labs
- Abbott Park1 active lab
- Abingdon1 active lab
- Alpha1 active lab
- Annawan1 active lab
- Astoria1 active lab
- Athens1 active lab
- Atlanta1 active lab
- Atwood1 active lab
- Augusta1 active lab
- Beloit1 active lab
- Biggsville1 active lab
- Bowen1 active lab
- Braceville1 active lab
- Brickton1 active lab
- Bull Valley1 active lab
- Burnham1 active lab
- Cairo1 active lab
- Camargo1 active lab
- Camp Point1 active lab
- Centreville1 active lab
- Cerro Gordo1 active lab
- Chenoa1 active lab
- Cherry Valley1 active lab
- Cisne1 active lab
- Clay City1 active lab
- Clifton1 active lab
- Coal Valley1 active lab
- Cobden1 active lab
- Colchester1 active lab
- Colona1 active lab
- Cordova1 active lab
- Cowden1 active lab
- Creve Coeur1 active lab
- Cuba1 active lab
- Cullom1 active lab
- Dahlgren1 active lab
- Danforth1 active lab
- Deer Grove1 active lab
- Dieterich1 active lab
- East Hazel Crest1 active lab
- Edwards1 active lab
- Elizabeth1 active lab
- Elizabethtown1 active lab
- Elmwood1 active lab
- Elwood1 active lab
- Energy1 active lab
- Erie1 active lab
- Essex1 active lab
- Farmer City1 active lab
- Forrest1 active lab
- Forreston1 active lab
- Gardner1 active lab
- Geff1 active lab
- Genoa1 active lab
- Georgetown1 active lab
- Germantown Hills1 active lab
- Gifford1 active lab
- Gladstone1 active lab
- Glendale Hts1 active lab
- Golconda1 active lab
- Goodfield1 active lab
- Goreville1 active lab
- Granville1 active lab
- Green Oaks1 active lab
- Green Valley1 active lab
- Gridley1 active lab
- Hainesville1 active lab
- Hampshire1 active lab
- Hampton1 active lab
- Hillsdale1 active lab
- Hines1 active lab
- Hometown1 active lab
- Hopkins Park1 active lab
- Hoyleton1 active lab
- Indian Head Park1 active lab
- Irving1 active lab
- Iuka1 active lab
- Justice1 active lab
- Kirkland1 active lab
- La Grange Highlands1 active lab
- La Harpe1 active lab
- Lanark1 active lab
- Lexington1 active lab
- Lincoln Park1 active lab
- London Mills1 active lab
- Mackinaw1 active lab
- Macon1 active lab
- Manlius1 active lab
- Mapleton1 active lab
- Marine1 active lab
- Marissa1 active lab
- Mazon1 active lab
- Merchandise Mart1 active lab
- Mettawa1 active lab
- Milledgeville1 active lab
- Minonk1 active lab
- Monee1 active lab
- Mooseheart1 active lab
- Mount Morris1 active lab
- Mount Olive1 active lab
- Mount Zion1 active lab
- Mt Carroll1 active lab
- Neponset1 active lab
- Newark1 active lab
- North Barrington1 active lab
- Oblong1 active lab
- Odin1 active lab
- Ogden1 active lab
- Onarga1 active lab
- Oneida1 active lab
- Oquawka1 active lab
- Palestine1 active lab
- Park Forest1 active lab
- Paw Paw1 active lab
- Pecatonica1 active lab
- Philo1 active lab
- Pleasant Hill1 active lab
- Pleasant Plains1 active lab
- Poplar Grove1 active lab
- Posen1 active lab
- Potomac1 active lab
- Ramsey1 active lab
- Raymond1 active lab
- Ridgway1 active lab
- Riverton1 active lab
- Rockton1 active lab
- Rossville1 active lab
- Roxana1 active lab
- Saint Anne1 active lab
- Saint Joseph1 active lab
- Scales Mound1 active lab
- Scott Air Force Base1 active lab
- Shabbona1 active lab
- Shawneetown1 active lab
- St Elmo1 active lab
- Stone Park1 active lab
- Teutopolis1 active lab
- Thomson1 active lab
- Toluca1 active lab
- Toulon1 active lab
- Virden1 active lab
- Warren1 active lab
- Warsaw1 active lab
- Waterman1 active lab
- Watson1 active lab
- Wenona1 active lab
- West Salem1 active lab
- Williamsfield1 active lab
- Williamsville1 active lab
Related
Questions
How many CLIA labs are in Illinois?
10,331 labs in Illinois hold an active CLIA certificate in the CMS file posted October 16, 2026.
How many Illinois labs have a Certificate of Waiver?
8,554 of the 10,331 active labs in Illinois hold a Certificate of Waiver.
What does a CLIA number look like?
Ten characters: two digits, the letter D, then seven digits (for example 45D2100035). CMS assigns one to each laboratory certificate under the Clinical Laboratory Improvement Amendments.