ProPublica

Journalism in the Public Interest

Treatment Tracker

PATHOLOGY AND LABORATORY

Blood test, thyroid stimulating hormone (TSH)

Service Code: 84443, Service Type: Medical

Total Paid

$348,933,571

Total Times Performed (or Units)

15,402,424

Rank Among All Services

33

Includes both office and facility visits.

Services by State

Below are the states in which this service was billed. Click a state for top providers there.


Times Performed State
1,528,733 Florida
1,485,849 California
1,480,074 Texas
1,270,466 New Jersey
1,241,386 North Carolina
911,913 New York
686,282 Ohio
528,107 Alabama
515,872 Pennsylvania
476,053 Georgia
406,417 Arizona
390,899 Michigan
381,010 Illinois
344,086 Tennessee
285,572 Kansas
259,440 Massachusetts
253,039 Washington
246,783 Maryland
239,651 Missouri
228,602 Virginia
196,266 Wisconsin
180,623 Colorado
178,262 Indiana
164,885 Connecticut
153,973 Oklahoma
129,277 South Carolina
111,663 Kentucky
110,611 Oregon
100,581 Arkansas
97,095 Louisiana
80,811 Nevada
71,046 Minnesota
69,918 Mississippi
69,777 Iowa
69,489 Nebraska
66,771 Puerto Rico
48,250 Hawaii
43,666 Maine
37,690 New Mexico
35,284 Utah
33,270 West Virginia
32,632 Rhode Island
30,119 South Dakota
23,312 Idaho
21,142 North Dakota
12,568 Montana
8,017 Wyoming
5,493 New Hampshire
3,019 Virgin Islands
2,952 Vermont
2,098 Washington, DC
1,070 Alaska
990 Delaware
665 Guam

Top Providers

Below are the top 30 providers who performed this service most often. A provider’s name may appear twice on this list if he/she performs this service in both an office setting and in a facility. Medicare reimburses differently based on place of service and breaks the data out accordingly. Sorting is limited to the top 30 overall providers.


Provider Name Times Performed (or Units) % of Patients Unique Visits Per Patient
LABORATORY CORPORATION OF AMERICA HOLDINGS

BURLINGTON, N.C. 27215

Laboratories, Clinical Medical Laboratory

31%

of this provider's 1,352,762 patients got this service
581,141

Performed in an office

31%

of this provider's 1,352,762 patients got this service
1.4
LABORATORY CORPORATION OF AMERICA HOLDINGS

RARITAN, N.J. 08869

Laboratories, Clinical Medical Laboratory

41%

of this provider's 732,585 patients got this service
417,789

Performed in an office

41%

of this provider's 732,585 patients got this service
1.4
SOLSTAS LAB PARTNERS GROUP, LLC

GREENSBORO, N.C. 27410

Laboratories, Clinical Medical Laboratory

40%

of this provider's 676,394 patients got this service
386,249

Performed in an office

40%

of this provider's 676,394 patients got this service
1.4
QUEST DIAGNOSTICS CLINICAL LABORATORIES INC

TAMPA, Fla. 33617

Laboratories, Clinical Medical Laboratory

40%

of this provider's 642,742 patients got this service
363,110

Performed in an office

40%

of this provider's 642,742 patients got this service
1.4
LABORATORY CORPORATION OF AMERICA HOLDINGS

DUBLIN, Ohio 43016

Laboratories, Clinical Medical Laboratory

41%

of this provider's 622,629 patients got this service
359,456

Performed in an office

41%

of this provider's 622,629 patients got this service
1.4
LABORATORY CORPORATION OF AMERICA HOLDINGS

BIRMINGHAM, Ala. 35233

Laboratories, Clinical Medical Laboratory

36%

of this provider's 659,192 patients got this service
336,117

Performed in an office

36%

of this provider's 659,192 patients got this service
1.4
QUEST DIAGNOSTICS INCORPORATED

TETERBORO, N.J. 07608

Laboratories, Clinical Medical Laboratory

45%

of this provider's 491,392 patients got this service
329,806

Performed in an office

45%

of this provider's 491,392 patients got this service
1.5
QUEST DIAGNOSTICS CLINICAL LABORATORIES INC

TUCKER, Ga. 30084

Laboratories, Clinical Medical Laboratory

39%

of this provider's 539,114 patients got this service
293,143

Performed in an office

39%

of this provider's 539,114 patients got this service
1.4
UNILAB CORPORATION

WEST HILLS, Calif. 91304

Laboratories, Clinical Medical Laboratory

42%

of this provider's 429,843 patients got this service
240,570

Performed in an office

42%

of this provider's 429,843 patients got this service
1.3
CLINICAL PATHOLOGY LABORATORIES, INC.

AUSTIN, Tex. 78754

Laboratories, Clinical Medical Laboratory

39%

of this provider's 460,280 patients got this service
233,652

Performed in an office

39%

of this provider's 460,280 patients got this service
1.3
QUEST DIAGNOSTICS CLINICAL LABORATORIES INC

HORSHAM, Pa. 19044

Laboratories, Clinical Medical Laboratory

44%

of this provider's 374,505 patients got this service
230,173

Performed in an office

44%

of this provider's 374,505 patients got this service
1.4
LABORATORY CORPORATION OF AMERICA

SAN DIEGO, Calif. 92128

Laboratories, Clinical Medical Laboratory

43%

of this provider's 395,446 patients got this service
227,979

Performed in an office

43%

of this provider's 395,446 patients got this service
1.3
LABORATORY CORPORATION OF AMERICA

TAMPA, Fla. 33607

Laboratories, Clinical Medical Laboratory

37%

of this provider's 425,838 patients got this service
220,890

Performed in an office

37%

of this provider's 425,838 patients got this service
1.4
LABORATORY CORPORATION OF AMERICA

DALLAS, Tex. 75230

Laboratories, Clinical Medical Laboratory

37%

of this provider's 439,953 patients got this service
213,498

Performed in an office

37%

of this provider's 439,953 patients got this service
1.3
QUEST DIAGNOSTICS CLINICAL LABORATORIES INC

IRVING, Tex. 75063

Laboratories, Clinical Medical Laboratory

37%

of this provider's 382,944 patients got this service
189,435

Performed in an office

37%

of this provider's 382,944 patients got this service
1.3
BIO-REFERENCE LABORATORIES, INC.

ELMWOOD PARK, N.J. 07407

Laboratories, Clinical Medical Laboratory

35%

of this provider's 356,827 patients got this service
188,966

Performed in an office

35%

of this provider's 356,827 patients got this service
1.5
SONORA QUEST LABORATORIES, LLC.

TEMPE, Ariz. 85281

Laboratories, Clinical Medical Laboratory

43%

of this provider's 291,205 patients got this service
172,422

Performed in an office

43%

of this provider's 291,205 patients got this service
1.4
QUEST DIAGNOSTICS CLINICAL LABORATORIES INC

MIRAMAR, Fla. 33025

Laboratories, Clinical Medical Laboratory

48%

of this provider's 233,281 patients got this service
162,176

Performed in an office

48%

of this provider's 233,281 patients got this service
1.5
LABONE INC

LENEXA, Kan. 66219

Laboratories, Clinical Medical Laboratory

36%

of this provider's 350,049 patients got this service
161,689

Performed in an office

36%

of this provider's 350,049 patients got this service
1.3
LABORATORY CORPORATION OF AMERICA

HOUSTON, Tex. 77040

Laboratories, Clinical Medical Laboratory

42%

of this provider's 268,737 patients got this service
161,231

Performed in an office

42%

of this provider's 268,737 patients got this service
1.4
UNILAB CORPORATION

SACRAMENTO, Calif. 95834

Laboratories, Clinical Medical Laboratory

42%

of this provider's 269,336 patients got this service
147,732

Performed in an office

42%

of this provider's 269,336 patients got this service
1.3
QUEST DIAGNOSTICS INCORPORATED MD

BALTIMORE, Md. 21227

Laboratories, Clinical Medical Laboratory

39%

of this provider's 282,697 patients got this service
145,954

Performed in an office

39%

of this provider's 282,697 patients got this service
1.3
LABORATORY CORPORATION OF AMERICA

PHOENIX, Ariz. 85040

Laboratories, Clinical Medical Laboratory

41%

of this provider's 264,621 patients got this service
141,662

Performed in an office

41%

of this provider's 264,621 patients got this service
1.3
QUEST DIAGNOSTICS LLC IL

WOOD DALE, Ill. 60191

Laboratories, Clinical Medical Laboratory

39%

of this provider's 269,433 patients got this service
134,901

Performed in an office

39%

of this provider's 269,433 patients got this service
1.3
QUEST DIAGNOSTICS CLINICAL LABORATORIES INC

HOUSTON, Tex. 77072

Laboratories, Clinical Medical Laboratory

42%

of this provider's 217,405 patients got this service
120,768

Performed in an office

42%

of this provider's 217,405 patients got this service
1.3
QUEST DIAGNOSTICS INCORPORATED MI

AUBURN HILLS, Mich. 48326

Laboratories, Clinical Medical Laboratory

41%

of this provider's 214,769 patients got this service
117,492

Performed in an office

41%

of this provider's 214,769 patients got this service
1.3
SHIEL MEDICAL LABORATORY, INC

BROOKLYN, N.Y. 11205

Laboratories, Clinical Medical Laboratory

49%

of this provider's 147,370 patients got this service
116,208

Performed in an office

49%

of this provider's 147,370 patients got this service
1.6
MEMPHIS PATHOLOGY LABORATORY

MEMPHIS, Tenn. 38134

Laboratories, Clinical Medical Laboratory

37%

of this provider's 197,774 patients got this service
100,637

Performed in an office

37%

of this provider's 197,774 patients got this service
1.4
SUNRISE MEDICAL LABORATORIES, INC.

HICKSVILLE, N.Y. 11801

Laboratories, Clinical Medical Laboratory

43%

of this provider's 145,423 patients got this service
91,460

Performed in an office

43%

of this provider's 145,423 patients got this service
1.5
A2CL SERVICES, LLC

WEST ALLIS, Wis. 53227

Laboratories, Clinical Medical Laboratory

36%

of this provider's 184,694 patients got this service
89,267

Performed in an office

36%

of this provider's 184,694 patients got this service
1.3

Sources: Centers for Medicare and Medicaid Services, National Plan and Provider Enumeration System, American Medical Association

Services that begin with a letter come from CMS. All other codes and descriptions of the medical procedures are from the Current Procedural Terminology (CPT®) code set, copyright 2013 American Medical Association. All rights reserved. Where practical, AMA’s consumer friendly translation of the CPT descriptor was used. ProPublica has received permission from the AMA to use these codes on this site.

Read our methodology.