Treatment Tracker

The Doctors and Services in Medicare Part B

PATHOLOGY AND LABORATORY

Thyroxine (thyroid chemical) measurement

Service Code: 84436, Service Type: Medical

Total Paid

$20,583.94

Total Times Performed (or Units)

1,580,848

Rank Among All Services

214

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
233,569 Florida
214,844 New Jersey
173,997 Texas
156,469 California
142,916 New York
133,149 North Carolina
71,961 Ohio
66,276 Alabama
46,740 Georgia
42,463 Pennsylvania
40,019 Illinois
32,510 Tennessee
28,388 Arizona
18,243 Maryland
17,289 Missouri
17,241 Kansas
14,606 Massachusetts
12,024 Arkansas
12,005 Michigan
11,469 South Carolina
11,377 Oklahoma
10,416 Louisiana
9,463 Colorado
9,102 Washington
7,704 Connecticut
5,169 Nevada
4,648 Indiana
4,535 Virginia
4,058 Kentucky
2,395 West Virginia
2,095 Rhode Island
1,845 Oregon
1,657 New Mexico
1,498 Nebraska
978 Mississippi
949 South Dakota
944 Wisconsin
564 Hawaii
539 Iowa
533 Wyoming
525 Maine
470 Utah
416 Minnesota
168 New Hampshire
140 Idaho
47 Montana
40 Washington, DC
31 Delaware
15 North Dakota
14 Alaska

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

5%

of this provider's 1,491,360 patients got this service
95,570

Performed in an office

5%

of this provider's 1,491,360 patients got this service
1.3
LABORATORY CORPORATION OF AMERICA HOLDINGS

RARITAN, N.J. 08869

Laboratories, Clinical Medical Laboratory

8%

of this provider's 831,784 patients got this service
79,750

Performed in an office

8%

of this provider's 831,784 patients got this service
1.2
LABORATORY CORPORATION OF AMERICA HOLDINGS

BIRMINGHAM, Ala. 35233

Laboratories, Clinical Medical Laboratory

6%

of this provider's 684,893 patients got this service
54,508

Performed in an office

6%

of this provider's 684,893 patients got this service
1.3
LABORATORY CORPORATION OF AMERICA HOLDINGS

DUBLIN, Ohio 43016

Laboratories, Clinical Medical Laboratory

6%

of this provider's 607,320 patients got this service
51,523

Performed in an office

6%

of this provider's 607,320 patients got this service
1.3
QUEST DIAGNOSTICS INCORPORATED

TETERBORO, N.J. 07608

Laboratories, Clinical Medical Laboratory

8%

of this provider's 448,515 patients got this service
45,388

Performed in an office

8%

of this provider's 448,515 patients got this service
1.3
QUEST DIAGNOSTICS CLINICAL LABORATORIES INC

TAMPA, Fla. 33617

Laboratories, Clinical Medical Laboratory

5%

of this provider's 701,126 patients got this service
42,133

Performed in an office

5%

of this provider's 701,126 patients got this service
1.2
LABORATORY CORPORATION OF AMERICA

DALLAS, Tex. 75230

Laboratories, Clinical Medical Laboratory

7%

of this provider's 426,714 patients got this service
37,370

Performed in an office

7%

of this provider's 426,714 patients got this service
1.2
LABORATORY CORPORATION OF AMERICA

TAMPA, Fla. 33607

Laboratories, Clinical Medical Laboratory

7%

of this provider's 396,965 patients got this service
36,421

Performed in an office

7%

of this provider's 396,965 patients got this service
1.3
QUEST DIAGNOSTICS CLINICAL LABORATORIES INC

MIRAMAR, Fla. 33025

Laboratories, Clinical Medical Laboratory

10%

of this provider's 242,008 patients got this service
33,756

Performed in an office

10%

of this provider's 242,008 patients got this service
1.3
LABORATORY CORPORATION OF AMERICA

HOUSTON, Tex. 77040

Laboratories, Clinical Medical Laboratory

9%

of this provider's 252,794 patients got this service
28,909

Performed in an office

9%

of this provider's 252,794 patients got this service
1.3
SOLSTAS LAB PARTNERS GROUP, LLC

GREENSBORO, N.C. 27410

Laboratories, Clinical Medical Laboratory

5%

of this provider's 470,242 patients got this service
28,476

Performed in an office

5%

of this provider's 470,242 patients got this service
1.2
LABORATORY CORPORATION OF AMERICA

SAN DIEGO, Calif. 92128

Laboratories, Clinical Medical Laboratory

6%

of this provider's 418,130 patients got this service
28,415

Performed in an office

6%

of this provider's 418,130 patients got this service
1.2
CLINICAL PATHOLOGY LABORATORIES, INC.

AUSTIN, Tex. 78754

Laboratories, Clinical Medical Laboratory

5%

of this provider's 468,459 patients got this service
27,121

Performed in an office

5%

of this provider's 468,459 patients got this service
1.2
QUEST DIAGNOSTICS CLINICAL LABORATORIES INC

TUCKER, Ga. 30084

Laboratories, Clinical Medical Laboratory

4%

of this provider's 494,683 patients got this service
26,634

Performed in an office

4%

of this provider's 494,683 patients got this service
1.3
UNILAB CORPORATION

WEST HILLS, Calif. 91304

Laboratories, Clinical Medical Laboratory

4%

of this provider's 485,682 patients got this service
25,290

Performed in an office

4%

of this provider's 485,682 patients got this service
1.2
ACCURATE DIAGNOSTICS LABS, INC.

SOUTH PLAINFIELD, N.J. 07080

Laboratories, Clinical Medical Laboratory

21%

of this provider's 80,418 patients got this service
23,361

Performed in an office

21%

of this provider's 80,418 patients got this service
1.4
BIO-REFERENCE LABORATORIES, INC.

ELMWOOD PARK, N.J. 07407

Laboratories, Clinical Medical Laboratory

5%

of this provider's 361,248 patients got this service
22,462

Performed in an office

5%

of this provider's 361,248 patients got this service
1.3
QUEST DIAGNOSTICS CLINICAL LABORATORIES INC

HORSHAM, Pa. 19044

Laboratories, Clinical Medical Laboratory

5%

of this provider's 345,147 patients got this service
22,272

Performed in an office

5%

of this provider's 345,147 patients got this service
1.3
QUEST DIAGNOSTICS CLINICAL LABORATORIES INC

SYOSSET, N.Y. 11791

Laboratories, Clinical Medical Laboratory

13%

of this provider's 126,512 patients got this service
21,789

Performed in an office

13%

of this provider's 126,512 patients got this service
1.4
QUEST DIAGNOSTICS CLINICAL LABORATORIES INC

IRVING, Tex. 75063

Laboratories, Clinical Medical Laboratory

4%

of this provider's 370,247 patients got this service
17,135

Performed in an office

4%

of this provider's 370,247 patients got this service
1.2
QUEST DIAGNOSTICS CLINICAL LABORATORIES INC

HOUSTON, Tex. 77072

Laboratories, Clinical Medical Laboratory

6%

of this provider's 228,806 patients got this service
15,576

Performed in an office

6%

of this provider's 228,806 patients got this service
1.2
SONORA QUEST LABORATORIES, LLC.

TEMPE, Ariz. 85281

Laboratories, Clinical Medical Laboratory

4%

of this provider's 317,090 patients got this service
14,311

Performed in an office

4%

of this provider's 317,090 patients got this service
1.2
MEMPHIS PATHOLOGY LABORATORY

MEMPHIS, Tenn. 38134

Laboratories, Clinical Medical Laboratory

6%

of this provider's 202,119 patients got this service
14,077

Performed in an office

6%

of this provider's 202,119 patients got this service
1.2
QUEST DIAGNOSTICS LLC IL

WOOD DALE, Ill. 60191

Laboratories, Clinical Medical Laboratory

3%

of this provider's 427,860 patients got this service
13,227

Performed in an office

3%

of this provider's 427,860 patients got this service
1.2
NORTHWELL HEALTH LABORATORIES

NEW HYDE PARK, N.Y. 11042

Laboratories, Clinical Medical Laboratory

9%

of this provider's 104,183 patients got this service
13,069

Performed in an office

9%

of this provider's 104,183 patients got this service
1.4
SUNRISE MEDICAL LABORATORIES, INC.

HICKSVILLE, N.Y. 11801

Laboratories, Clinical Medical Laboratory

6%

of this provider's 155,887 patients got this service
12,927

Performed in an office

6%

of this provider's 155,887 patients got this service
1.4
LABORATORY CORPORATION OF AMERICA

PHOENIX, Ariz. 85040

Laboratories, Clinical Medical Laboratory

4%

of this provider's 261,848 patients got this service
12,742

Performed in an office

4%

of this provider's 261,848 patients got this service
1.2
LABONE LLC

LENEXA, Kan. 66219

Laboratories, Clinical Medical Laboratory

3%

of this provider's 361,166 patients got this service
12,366

Performed in an office

3%

of this provider's 361,166 patients got this service
1.2
QUEST DIAGNOSTICS INCORPORATED MD

BALTIMORE, Md. 21227

Laboratories, Clinical Medical Laboratory

4%

of this provider's 276,049 patients got this service
11,647

Performed in an office

4%

of this provider's 276,049 patients got this service
1.2
AMERATHON,LLC

UNIONTOWN, Ohio 44685

Laboratories, Clinical Medical Laboratory

9%

of this provider's 80,934 patients got this service
11,074

Performed in an office

9%

of this provider's 80,934 patients got this service
1.5

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 2015 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.

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