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Drug and Alcohol Testing Maryland

Maryland Drug Testing


Our testing locations do not accept payment and require a drug test order form at the time of testing. Please click the "Order a Test" button to order your test. Once your order has been processed, your drug test order form will be emailed to you.


US Drug Test Centers offers Maryland drug testing, Maryland alcohol testing and Maryland hair drug testing throughout the State. With our talented team of drug testing specialists, you can always count on receiving a professional and knowledgeable experience delivered each time with the utmost respect for confidentiality. Our Maryland drug testing centers are located throughout the state and our staff members are committed to providing affordable, convenient and confidential drug, alcohol and ETG alcohol drug testing services.
If you need a drug test today in Maryland, call today. Our network facilities including all LabCorp facilities and all Quest Diagnostics facilities are available for immediate drug testing with one phone call to schedule. Drug and alcohol tests are available for individuals and for employers.

211 Testing locations in Maryland

16 North Philadelphia Boulevard

Aberdeen, Maryland 21001

Phone: 866-566-0261

200 N Philadelphia Blvd

Aberdeen, Maryland 21001

Phone: 866-566-0261

2661 Riva Rd Ste 610

Annapolis, Maryland 21401

Phone: 866-566-0261

1667 Homewood Landing Rd

Annapolis, Maryland 21409

Phone: 866-566-0261

820 Bestgate Rd

Annapolis, Maryland 21401

Phone: 866-566-0261

3802 Southwestern Boulevard

Baltimore, Maryland 21229

Phone: 866-566-0261

2901 St. Paul Street

BALTIMORE, Maryland 21218

Phone: 866-566-0261

1833 Portal Street

Baltimore, Maryland 21224

Phone: 866-566-0261

100 S Charles St

Baltimore, Maryland 21201

Phone: 866-566-0261

1419 Knecht Ave

Baltimore, Maryland 21227

Phone: 866-566-0261

1833 Portal St

Baltimore, Maryland 21224

Phone: 866-566-0261

8101 Pulaski Hwy Ste H

Baltimore, Maryland 21237

Phone: 866-566-0261

726 Light Street

Baltimore, Maryland 21230

Phone: 866-566-0261

5820 Southwestern Blvd

Baltimore, Maryland 21227

Phone: 866-566-0261

6820 Hospital Dr, Ste 201

Baltimore, Maryland 21237

Phone: 866-566-0261

2701 W. PATAPSCO AVEUNUE

BALTIMORE, Maryland 21230

Phone: 866-566-0261

3600 Odonnell St Ste 170

Baltimore, Maryland 21224

Phone: 866-566-0261

4807 Benson Ave

Baltimore, Maryland 21227

Phone: 866-566-0261

3600 O'Donnell St

Baltimore, Maryland 21224

Phone: 866-566-0261

8830 Belair Rd

Baltimore, Maryland 21236

Phone: 866-566-0261

2300 Garrison Blvd

Baltimore, Maryland 21216

Phone: 866-566-0261

5411 Old Frederick Rd Ste 9

Baltimore, Maryland 21229

Phone: 866-566-0261

2300 Garrison Blvd Ste 206

Baltimore, Maryland 21216

Phone: 866-566-0261

9110 Philadelphia Rd Ste 212

Baltimore, Maryland 21237

Phone: 866-566-0261

4419 Falls Road

Baltimore, Maryland 21211

Phone: 866-566-0261

8820 YELLOW BRICK ROAD

BALTIMORE, Maryland 21237

Phone: 866-566-0261

2021a Emmorton Rd Ste 122

Bel Air, Maryland 21015

Phone: 866-566-0261

560 W Macphail Rd

Bel Air, Maryland 21014

Phone: 866-566-0261

620 W Macphail Rd Ste 103

Bel Air, Maryland 21014

Phone: 866-566-0261

1321 RIVERSIDE PKWY

BELCAMP, Maryland 21017

Phone: 866-566-0261

1200 Brass Mill Road

Belcamp, Maryland 21017

Phone: 866-566-0261

1321 Riverside Parkway

Belcamp, Maryland 21017

Phone: 866-566-0261

10452 Baltimore Ave

Beltsville, Maryland 20705

Phone: 866-566-0261

314 Franklin Ave Ste 404

Berlin, Maryland 21811

Phone: 866-566-0261

4641 Montgomery Avenue

Bethesda, Maryland 20814

Phone: 866-566-0261

6410 Rockledge Drive

Bethesda, Maryland 20817

Phone: 866-566-0261

4000 Mitchellville Rd Ste A112

Bowie, Maryland 20716

Phone: 866-566-0261

503 Byrn St, 2nd Fl

Cambridge, Maryland 21613

Phone: 866-566-0261

2 Aurora St Ste 3

Cambridge, Maryland 21613

Phone: 866-566-0261

300 Sunburst Highway

Cambridge, Maryland 21613

Phone: 866-566-0261

9141 Ala King Court

Capitol Heights, Maryland 20743

Phone: 866-566-0261

7306 CENTRAL AVENUE

CAPITOL HEIGHTS, Maryland 20743

Phone: 866-566-0261

2 East Rolling Crossroads

Catonsville, Maryland 21228

Phone: 866-566-0261

2112 Didonato Dr, Ste F

Chester, Maryland 21619

Phone: 866-566-0261

100 Brown Street

Chestertown, Maryland 21620

Phone: 866-566-0261

514 Washington Ave, Ste 4

Chestertown, Maryland 21620

Phone: 866-566-0261

6005 Landover Road

Cheverly, Maryland 20785

Phone: 866-566-0261

7700 Old Branch Avenue

Clinton, Maryland 20735

Phone: 866-566-0261

7700 Old Branch Ave Ste E108

Clinton, Maryland 20735

Phone: 866-566-0261

10 Warren Rd, Ste 260

Cockeysville, Maryland 21030

Phone: 866-566-0261

6201 Greenbelt Road

College Park, Maryland 20740

Phone: 866-566-0261

6955 Oakland Mills Road

Columbia, Maryland 21045

Phone: 866-566-0261

6656 Dobbin Road

Columbia, Maryland 21045

Phone: 866-566-0261

11055 Little Patuxent Pkwy

Columbia, Maryland 21044

Phone: 866-566-0261

320 S Mechanic St

Cumberland, Maryland 21502

Phone: 866-566-0261

1050 West Industrial Boulevard

Cumberland, Maryland 21502

Phone: 866-566-0261

1050 W Industrial Blvd

Cumberland, Maryland 21502

Phone: 866-566-0261

1576 Merritt Blvd Ste 3

Dundalk, Maryland 21222

Phone: 866-566-0261

8615 Commerce Drive, Ste. 4

Easton, Maryland 21601

Phone: 866-566-0261

401 Purdy St, Ste 202

Easton, Maryland 21601

Phone: 866-566-0261

219 S Washington St

Easton, Maryland 21601

Phone: 866-566-0261

8163 Ocean Gateway

Easton, Maryland 21601

Phone: 866-566-0261

3169 Braverton St, Ste 200

Edgewater, Maryland 21037

Phone: 866-566-0261

2120 Emmorton Park Road

Edgewood, Maryland 21040

Phone: 866-566-0261

1380 PROGRESS WAY, STE 114

ELDERSBURG, Maryland 21784

Phone: 866-566-0261

1311 Londontown Boulevard

Eldersburg, Maryland 21784

Phone: 866-566-0261

1000 Liberty Rd Ste 102

Eldersburg, Maryland 21784

Phone: 866-566-0261

1532 Liberty Road

Eldersburg, Maryland 21784

Phone: 866-566-0261

7377 Washington Blvd Ste 101

Elkridge, Maryland 21075

Phone: 866-566-0261

6785 Business Parkway

Elkridge, Maryland 21075

Phone: 866-566-0261

360 E Pulaski Hwy

Elkton, Maryland 21921

Phone: 866-566-0261

123 Singerly Ave

Elkton, Maryland 21921

Phone: 866-566-0261

123 Singerly Avenue

Elkton, Maryland 21921

Phone: 866-566-0261

300 E Pulaski Highway

Elkton, Maryland 21921

Phone: 866-566-0261

360 E. PULASKI HWY

ELKTON, Maryland 21921

Phone: 866-566-0261

9396 D. Baltimoe National Pike

Ellicott City, Maryland 21042

Phone: 866-566-0261

9055 Chevrolet Dr Ste 101

Ellicott City, Maryland 21043

Phone: 866-566-0261

5930 Frederick Crossing Lane

Frederick, Maryland 21704

Phone: 866-566-0261

490 L Prospect Blvd

Frederick, Maryland 21701

Phone: 866-566-0261

490 Prospect Boulevard

Frederick, Maryland 21701

Phone: 866-566-0261

1560 Opossumtown Pike

Frederick, Maryland 21702

Phone: 866-566-0261

141 Thomas Johnson Dr Ste 100

Frederick, Maryland 21702

Phone: 866-566-0261

633 Research Court

Frederick, Maryland 21703

Phone: 866-566-0261

165 Thomas Johnson Dr

Frederick, Maryland 21702

Phone: 866-566-0261

915 Toll House Ave

Frederick, Maryland 21701

Phone: 866-566-0261

1560 Opossumtown Pike Ste A-22

Frederick, Maryland 21702

Phone: 866-566-0261

915 Toll House Ave Ste 203

Frederick, Maryland 21701

Phone: 866-566-0261

10701 New Georges Creek Road Southwest

Frostburg, Maryland 21532

Phone: 866-566-0261

8945 North Westland Drive

Gaithersburg, Maryland 20877

Phone: 866-566-0261

814 West Diamond Avenue

Gaithersburg, Maryland 20878

Phone: 866-566-0261

803 RUSSELL AVENUE

Gaithersburg, Maryland 20879

Phone: 866-566-0261

19825 Frederick Road

Germantown, Maryland 20876

Phone: 866-566-0261

19785 CRYSTAL ROCK DRIVE

GERMANTOWN, Maryland 20874

Phone: 866-566-0261

19851 Observation Drive

Germantown, Maryland 20876

Phone: 866-566-0261

19785 Crystal Rock Dr, Ste 308

Germantown, Maryland 20874

Phone: 866-566-0261

19504 Amaranth Dr

Germantown, Maryland 20874

Phone: 866-566-0261

12321 Middlebrook Road

Germantown, Maryland 20874

Phone: 866-566-0261

20528 Boland Farm Rd Ste 205

Germantown, Maryland 20876

Phone: 866-566-0261

811 Cromwell Park Dr Ste 104-1

Glen Burnie, Maryland 21061

Phone: 866-566-0261

7010 Ritchie Hwy

Glen Burnie, Maryland 21061

Phone: 866-566-0261

1600 CRAIN HWY S STE 209

GLEN BURNIE, Maryland 21061

Phone: 866-566-0261

200 Hospital Dr Ste 103

Glen Burnie, Maryland 21061

Phone: 866-566-0261

7811 Fiske Avenue

Glenarden, Maryland 20706

Phone: 866-566-0261

12200 Annapolis Rd, Suite 120

Glenn Dale, Maryland 20769

Phone: 866-566-0261

6401 Golden Triangle Drive

Greenbelt, Maryland 20770

Phone: 866-566-0261

7933 Belle Point Drive

Greenbelt, Maryland 20770

Phone: 866-566-0261

13424 PENNSYLVANIA AVE

Hagerstown, Maryland 21742

Phone: 866-566-0261

11110 Medical Campus Rd Ste 14

Hagerstown, Maryland 21742

Phone: 866-566-0261

10715 Downsville Pike Ste 100

Hagerstown, Maryland 21740

Phone: 866-566-0261

338 Mill St

Hagerstown, Maryland 21740

Phone: 866-566-0261

1741 Dual Highway

Hagerstown, Maryland 21740

Phone: 866-566-0261

1075 Sherman Ave

Hagerstown, Maryland 21740

Phone: 866-566-0261

4807 Benson Avenue

Halethorpe, Maryland 21227

Phone: 866-566-0261

130 W. HIGH ST.

HANCOCK, Maryland 21750

Phone: 866-566-0261

251 Lewis Lane, Ste 304

Havre De Grace, Maryland 21078

Phone: 866-566-0261

24035 Three Notch Rd

Hollywood, Maryland 20636

Phone: 866-566-0261

1430 Solomon's Island Road

Huntingtown, Maryland 20639

Phone: 866-566-0261

8106 D STAYTON DR

Jessup, Maryland 20794

Phone: 866-566-0261

15 Shining Willow Way

La Plata, Maryland 20646

Phone: 866-566-0261

201 Centennial St B1

La Plata, Maryland 20646

Phone: 866-566-0261

403 Charles St

La Plata, Maryland 20646

Phone: 866-566-0261

1219 National Highway

La Vale, Maryland 21502

Phone: 866-566-0261

8700 Central Avenue

Landover, Maryland 20785

Phone: 866-566-0261

4451 Parliament Place

Lanham, Maryland 20706

Phone: 866-566-0261

4551 Parliament Place

Lanham, Maryland 20706

Phone: 866-566-0261

9801 Greenbelt Rd

Lanham, Maryland 20706

Phone: 866-566-0261

9332 ANNAPOLIS RD

LANHAM, Maryland 20706

Phone: 866-566-0261

14421 Baltimore Avenue

Laurel, Maryland 20707

Phone: 866-566-0261

14700 Baltimore Avenue

Laurel, Maryland 20707

Phone: 866-566-0261

10981 Johns Hopkins Road

Laurel, Maryland 20723

Phone: 866-566-0261

13944 Baltimore Avenue

Laurel, Maryland 20707

Phone: 866-566-0261

3357b Corridor Marketplace

Laurel, Maryland 20724

Phone: 866-566-0261

20945 GREAT MILLS RD

LEXINGTON PARK, Maryland 20653

Phone: 866-566-0261

21775 Great Mills Road

Lexington Park, Maryland 20653

Phone: 866-566-0261

22196 Three Notch Road

Lextington Park, Maryland 20653

Phone: 866-566-0261

605 Global Way Ste. 117

Linthicum, Maryland 21090

Phone: 866-566-0261

701 Digital Drive Ste L

Linthicum Heights, Maryland 21090

Phone: 866-566-0261

11861 HG TRUEMAN POL

LUSBY, Maryland 20657

Phone: 866-566-0261

1407 York Rd

Lutherville, Maryland 21093

Phone: 866-566-0261

10755 Falls Rd Ste 160

Lutherville, Maryland 21093

Phone: 866-566-0261

1205 York Rd Ste 15a

Lutherville, Maryland 21093

Phone: 866-566-0261

1830 York Road

Lutherville-Timonium, Maryland 21093

Phone: 866-566-0261

10755 Falls Rd

Lutherville-Timonium, Maryland 21093

Phone: 866-566-0261

1205 York Rd

Lutherville-Timonium, Maryland 21093

Phone: 866-566-0261

3710 Rivera Street

Marlow Heights, Maryland 20748

Phone: 866-566-0261

205 Center Street, Suite 204

Mount Airy, Maryland 21771

Phone: 866-566-0261

8500 Annapolis Road

New Carrollton, Maryland 20784

Phone: 866-566-0261

1000 TIBETS LN

NEW WINDSOR, Maryland 21776

Phone: 866-566-0261

69 Wolf Acres Dr

Oakland, Maryland 21550

Phone: 866-566-0261

12601 Coastal Highway

Ocean City, Maryland 21842

Phone: 866-566-0261

7408 Coastal Hwy

Ocean City, Maryland 21842

Phone: 866-566-0261

18111 PRINCE PHILIP DR

OLNEY, Maryland 20832

Phone: 866-566-0261

1750 Prosper Lane

Owings, Maryland 20736

Phone: 866-566-0261

10490 Owings Mills Boulevard

Owings Mills, Maryland 21117

Phone: 866-566-0261

25 Crossroads Drive

Owings Mills, Maryland 21117

Phone: 866-566-0261

10210 Reisterstown Rd

Owings Mills, Maryland 21117

Phone: 866-566-0261

23 Crossroads Drive

Owings Mills, Maryland 21117

Phone: 866-566-0261

6188 OXON HILL ROAD

OXON HILL, Maryland 20745

Phone: 866-566-0261

1860 Reisterstown Rd

Pikesville, Maryland 21208

Phone: 866-566-0261

1838 Greene Tree Rd Ste 115

Pikesville, Maryland 21208

Phone: 866-566-0261

500 Market St Ste 109

Pocomoke City, Maryland 21851

Phone: 866-566-0261

110 Hospital Rd Ste 310

Prince Frederick, Maryland 20678

Phone: 866-566-0261

100 HOSPITAL RD

Prince Frederick, Maryland 20678

Phone: 866-566-0261

995 N PRINCE FREDERICK BLVD.

PRINCE FREDERICK, Maryland 20678

Phone: 866-566-0261

995 Prince Frederick Blvd #107

Prince Frederick, Maryland 20678

Phone: 866-566-0261

5400 Old Court Rd Ste 102

Randallstown, Maryland 21133

Phone: 866-566-0261

11722 REISTERSTOWN ROAD

Reisterstown, Maryland 21136

Phone: 866-566-0261

11722 Reisterstown Rd

Reisterstown, Maryland 21136

Phone: 866-566-0261

750 Rockville Pike

Rockville, Maryland 20852

Phone: 866-566-0261

15005 Shady Grove Rd Ste 450

Rockville, Maryland 20850

Phone: 866-566-0261

9707 Medical Center Dr Ste 120

Rockville, Maryland 20850

Phone: 866-566-0261

15225 Shady Grove Road

Rockville, Maryland 20850

Phone: 866-566-0261

14800 PHYSICIANS LN STE 131

Rockville, Maryland 20850

Phone: 866-566-0261

8101 Pulaski Hwy

Rosedale, Maryland 21237

Phone: 866-566-0261

8652 Pulaski Hwy Ste C

Rosedale, Maryland 21237

Phone: 866-566-0261

9110 Philadelphia Rd

Rosedale, Maryland 21237

Phone: 866-566-0261

8652 Pulaski Hwy

Rosedale, Maryland 21237

Phone: 866-566-0261

701 Naylor Mill Rd

Salisbury, Maryland 21801

Phone: 866-566-0261

106 Milford St Ste 303

Salisbury, Maryland 21804

Phone: 866-566-0261

701 E Naylor Mill Rd, Ste G

Salisbury, Maryland 21801

Phone: 866-566-0261

951a Mount Hermon Rd

Salisbury, Maryland 21804

Phone: 866-566-0261

1655 Woodbrooke Dr Ste 104

Salisbury, Maryland 21804

Phone: 866-566-0261

712 E Main St

Salisbury, Maryland 21804

Phone: 866-566-0261

2425 N. Salisbury Blvd.

Salisbury, Maryland 21801

Phone: 866-566-0261

537 Ritchie Highway

Severna Park, Maryland 21146

Phone: 866-566-0261

13823 Outlet Dr

Silver Spring, Maryland 20904

Phone: 866-566-0261

12210 Plum Orchard Drive

Silver Spring, Maryland 20904

Phone: 866-566-0261

9801 Georgia Ave Ste 222

Silver Spring, Maryland 20902

Phone: 866-566-0261

3510 Heidi Lane

Springdale, Maryland 20774

Phone: 866-566-0261

1000 Liberty Road

Sykesville, Maryland 21784

Phone: 866-566-0261

3710 Riviera Street

Temple Hills, Maryland 20748

Phone: 866-566-0261

1830 York Rd

Timonium, Maryland 21093

Phone: 866-566-0261

1220A East Joppa Road

Towson, Maryland 21286

Phone: 866-566-0261

7801 York Rd Ste 360

Towson, Maryland 21204

Phone: 866-566-0261

105 W Chesapeake Ave

Towson, Maryland 21204

Phone: 866-566-0261

8600 Lasalle Road

Towson, Maryland 21286

Phone: 866-566-0261

6 Post Office Road

Waldorf, Maryland 20602

Phone: 866-566-0261

12090 Old Line Ctr

Waldorf, Maryland 20602

Phone: 866-566-0261

12070 Old Line Ctr Ste 201

Waldorf, Maryland 20602

Phone: 866-566-0261

3500 Old Washington Rd Ste 104

Waldorf, Maryland 20602

Phone: 866-566-0261

12090 Old Line Center

Waldorf, Maryland 20602

Phone: 866-566-0261

2170 Old Washington Rd

Waldorf, Maryland 20601

Phone: 866-566-0261

2855 Crain Highway

Waldorf, Maryland 20601

Phone: 866-566-0261

3460 Old Washington Rd Ste 104

Waldorf, Maryland 20602

Phone: 866-566-0261

12106 Old Line Center

Waldorf, Maryland 20602

Phone: 866-566-0261

700 Corporate Center Ct

Westminster, Maryland 21157

Phone: 866-566-0261

226 Washington Hts Med Ctr A

Westminster, Maryland 21157

Phone: 866-566-0261

844 Washington Rd, Ste 203

Westminster, Maryland 21157

Phone: 866-566-0261

222 Washington Road

Westminster, Maryland 21157

Phone: 866-566-0261

826 Washington Road

Westminster, Maryland 21157

Phone: 866-566-0261

11424 Pulaski Hwy

White Marsh, Maryland 21162

Phone: 866-566-0261


Standard laboratory drug tests provide negative results back in 1 – 2 business days, sometimes specimens have to go on for further testing and results will take 2 – 3 business days longer. Ask about availability for instant drug testing in selected facilities throughout Maryland. For workplace testing, rapid or on-site testing is permitted for pre-employment testing only. For personal or individual drug testing, rapid or on-site testing is permitted.

Companies may require pre-employment, reasonable suspicion and post-accident testing and Maryland drug testing laws may provide employment related protections to an employer when action is taken against an employee who violates the company’s drug and alcohol policies. A drug testing program in Maryland should include the following: 1. Written Substance Abuse Policy 2. Supervisor Training 3. Employee Education and Training 4. Drug Testing Program and Maryland's Drug-testing Law 5. Employee Assistance Program (EAP)

US Drug Test Centers strongly supports comprehensive drug-free workplace programs, especially within those workplaces involving safety-sensitive duties like operating machinery. And we can help you start a workplace drug-testing program. Maryland Occupational Safety and Health regulations requires employers with safety-sensitive employees to undergo mandatory drug testing that must meet DOT and Maryland drug testing regulations. The following positions are deemed safety-sensitive: crane operators, signal persons, riggers, and crane operator trainees.

Same day testing available for employers and individuals in all areas of Maryland. Call early in the day for same day drug testing services in all areas of Maryland. All drug tests can also be ordered with one quick phone call – Call 1 866-566-0261. Maryland drug testing laws also allow for the use of hair specimens for pre-employment purposes only. The hair sample must only be one and half inches long from the body and cannot be used for purposes other than for testing for presence of controlled dangerous substances.

US Drug Test Centers offers drug testing in the following cities in Maryland.

Aberdeen, Maryland US Drug Test Centers Annapolis, Maryland US Drug Test Centers Baltimore, Maryland US Drug Test Centers BEL AIR, Maryland US Drug Test Centers Belcamp, Maryland US Drug Test Centers Berlin, Maryland US Drug Test Centers Bethesda, Maryland US Drug Test Centers Bowie, Maryland US Drug Test Centers CAMBRIDGE, Maryland US Drug Test Centers Capitol Heights, Maryland US Drug Test Centers Catonsville, Maryland US Drug Test Centers Centerville, Maryland US Drug Test Centers Charlotte Hall, Maryland US Drug Test Centers Chester, Maryland US Drug Test Centers Chestertown, Maryland US Drug Test Centers CHEVY CHASE, Maryland US Drug Test Centers Clinton, Maryland US Drug Test Centers COCKEYSVILLE, Maryland US Drug Test Centers College Park, Maryland US Drug Test Centers COLUMBIA, Maryland US Drug Test Centers Crisfield, Maryland US Drug Test Centers Crofton, Maryland US Drug Test Centers CUMBERLAND, Maryland US Drug Test Centers DUNDALK, Maryland US Drug Test Centers EASTON, Maryland US Drug Test Centers EDGEWATER, Maryland US Drug Test Centers Edgewood, Maryland US Drug Test Centers ELDERSBURG, Maryland US Drug Test Centers Elkridge, Maryland US Drug Test Centers Elkton, Maryland US Drug Test Centers Ellicott City, Maryland US Drug Test Centers Frederick, Maryland US Drug Test Centers FREDRICK, Maryland US Drug Test Centers GAITHERSBURG, Maryland US Drug Test Centers Gambrills, Maryland US Drug Test Centers GERMANTOWN, Maryland US Drug Test Centers Glen Burnie, Maryland US Drug Test Centers GLENN DALE, Maryland US Drug Test Centers Great Mills, Maryland US Drug Test Centers Greenbelt, Maryland US Drug Test Centers Hagerstown, Maryland US Drug Test Centers HAVRE DE GRACE, Maryland US Drug Test Centers Huntingtown, Maryland US Drug Test Centers LA PLATA, Maryland US Drug Test Centers Landover, Maryland US Drug Test Centers LAUREL, Maryland US Drug Test Centers Leonardtown, Maryland US Drug Test Centers Lextington Park, Maryland US Drug Test Centers LINTHICUM, Maryland US Drug Test Centers LINTHICUM HEIGHTS, Maryland US Drug Test Centers Lutherville, Maryland US Drug Test Centers Mechanicsville, Maryland US Drug Test Centers Nottingham, Maryland US Drug Test Centers Olney, Maryland US Drug Test Centers Owings Mills, Maryland US Drug Test Centers OXON HILL, Maryland US Drug Test Centers PASADENA, Maryland US Drug Test Centers PIKESVILLE, Maryland US Drug Test Centers POCOMOKE CITY, Maryland US Drug Test Centers PRINCE FREDERICK, Maryland US Drug Test Centers Randallstown, Maryland US Drug Test Centers Rockville, Maryland US Drug Test Centers Rosedale, Maryland US Drug Test Centers Salisbury, Maryland US Drug Test Centers Severna Park, Maryland US Drug Test Centers SILVER SPRING, Maryland US Drug Test Centers STEVENSVILLE, Maryland US Drug Test Centers Takoma Park, Maryland US Drug Test Centers Towson, Maryland US Drug Test Centers Waldorf, Maryland US Drug Test Centers WESTMINSTER, Maryland US Drug Test Centers Wheaton, Maryland US Drug Test Centers White Marsh, Maryland US Drug Test Centers