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Treatment Tracker

PATHOLOGY AND LABORATORY

Thyroxine (thyroid chemical) measurement

Service Code: 84436

Total Paid

$18,828,150

Total Times Performed (or Units)

1,922,825

Rank Among All Services

177

Includes both office and facility visits.

Top States

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


Times Performed State
298,854 Florida
234,795 New Jersey
211,429 Texas
188,750 California
158,497 New York
157,160 North Carolina
84,759 Ohio
72,493 Alabama
60,284 Pennsylvania
56,166 Georgia
47,637 Illinois
37,811 Missouri
34,834 Tennessee
33,891 Arizona
22,822 Maryland
22,594 Michigan
20,530 Kansas
17,753 Puerto Rico
15,705 Massachusetts
15,071 Arkansas
13,631 Louisiana
12,300 Oklahoma
11,719 Colorado
11,545 Connecticut
11,267 Washington
10,697 Kentucky
9,246 South Carolina
8,819 West Virginia
8,418 Virginia
8,171 Indiana
7,690 Nevada
2,814 Nebraska
2,590 Rhode Island
2,207 New Mexico
2,062 Oregon
1,481 Wisconsin
1,033 Maine
872 South Dakota
768 Utah
597 Minnesota
521 Iowa
478 Virgin Islands
463 Wyoming
447 Hawaii
354 Mississippi
326 Idaho
288 Montana
98 New Hampshire
48 Washington, DC
40 Delaware

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

Clinical Laboratory

5%

of this provider's 1,306,778 patients got this service
92,386

Performed in an office

5%

of this provider's 1,306,778 patients got this service
1.3
LABORATORY CORPORATION OF AMERICA HOLDINGS

Raritan, N.J. 08869

Clinical Laboratory

9%

of this provider's 696,585 patients got this service
79,261

Performed in an office

9%

of this provider's 696,585 patients got this service
1.2
LABORATORY CORPORATION OF AMERICA HOLDINGS

Birmingham, Ala. 35233

Clinical Laboratory

7%

of this provider's 669,554 patients got this service
61,039

Performed in an office

7%

of this provider's 669,554 patients got this service
1.3
QUEST DIAGNOSTICS INCORPORATED

TETERBORO, N.J. 07608

Clinical Laboratory

8%

of this provider's 525,451 patients got this service
58,447

Performed in an office

8%

of this provider's 525,451 patients got this service
1.3
LABORATORY CORPORATION OF AMERICA HOLDINGS

Dublin, Ohio 43016

Clinical Laboratory

7%

of this provider's 604,319 patients got this service
53,896

Performed in an office

7%

of this provider's 604,319 patients got this service
1.3
SOLSTAS LAB PARTNERS GROUP, LLC

Greensboro, N.C. 27410

Clinical Laboratory

6%

of this provider's 596,770 patients got this service
50,141

Performed in an office

6%

of this provider's 596,770 patients got this service
1.3
LABORATORY CORPORATION OF AMERICA

TAMPA, Fla. 33607

Clinical Laboratory

8%

of this provider's 444,355 patients got this service
49,668

Performed in an office

8%

of this provider's 444,355 patients got this service
1.3
QUEST DIAGNOSTICS CLINICAL LABORATORIES INC

TAMPA, Fla. 33617

Clinical Laboratory

5%

of this provider's 627,606 patients got this service
41,059

Performed in an office

5%

of this provider's 627,606 patients got this service
1.2
LABORATORY CORPORATION OF AMERICA

Houston, Tex. 77040

Clinical Laboratory

10%

of this provider's 281,374 patients got this service
37,148

Performed in an office

10%

of this provider's 281,374 patients got this service
1.3
QUEST DIAGNOSTICS CLINICAL LABORATORIES INC

MIRAMAR, Fla. 33025

Clinical Laboratory

12%

of this provider's 228,036 patients got this service
35,974

Performed in an office

12%

of this provider's 228,036 patients got this service
1.3
LABORATORY CORPORATION OF AMERICA

Dallas, Tex. 75230

Clinical Laboratory

8%

of this provider's 337,196 patients got this service
34,993

Performed in an office

8%

of this provider's 337,196 patients got this service
1.2
LABORATORY CORPORATION OF AMERICA

San Diego, Calif. 92128

Clinical Laboratory

7%

of this provider's 372,538 patients got this service
32,047

Performed in an office

7%

of this provider's 372,538 patients got this service
1.2
QUEST DIAGNOSTICS CLINICAL LABORATORIES INC

Tucker, Ga. 30084

Clinical Laboratory

4%

of this provider's 557,363 patients got this service
31,729

Performed in an office

4%

of this provider's 557,363 patients got this service
1.3
QUEST DIAGNOSTICS CLINICAL LABORATORIES INC

Horsham, Pa. 19044

Clinical Laboratory

6%

of this provider's 377,772 patients got this service
30,537

Performed in an office

6%

of this provider's 377,772 patients got this service
1.3
CLINICAL PATHOLOGY LABORATORIES, INC.

Austin, Tex. 78754

Clinical Laboratory

5%

of this provider's 459,687 patients got this service
29,741

Performed in an office

5%

of this provider's 459,687 patients got this service
1.2
UNILAB CORPORATION

WEST HILLS, Calif. 91304

Clinical Laboratory

5%

of this provider's 416,737 patients got this service
23,006

Performed in an office

5%

of this provider's 416,737 patients got this service
1.2
BIO-REFERENCE LABORATORIES, INC.

Elmwood Park, N.J. 07407

Clinical Laboratory

5%

of this provider's 326,629 patients got this service
22,287

Performed in an office

5%

of this provider's 326,629 patients got this service
1.3
QUEST DIAGNOSTICS CLINICAL LABORATORIES INC

IRVING, Tex. 75063

Clinical Laboratory

5%

of this provider's 390,265 patients got this service
22,189

Performed in an office

5%

of this provider's 390,265 patients got this service
1.2
QUEST DIAGNOSTICS CLINICAL LAB INC.

SYOSSET, N.Y. 11791

Clinical Laboratory

13%

of this provider's 127,338 patients got this service
21,105

Performed in an office

13%

of this provider's 127,338 patients got this service
1.3
ACCURATE DIAGNOSTICS LABS, INC.

Edison, N.J. 08820

Clinical Laboratory

21%

of this provider's 72,334 patients got this service
20,713

Performed in an office

21%

of this provider's 72,334 patients got this service
1.4
SUNRISE MEDICAL LABORATORIES, INC.

Hicksville, N.Y. 11801

Clinical Laboratory

12%

of this provider's 123,061 patients got this service
19,972

Performed in an office

12%

of this provider's 123,061 patients got this service
1.4
QUEST DIAGNOSTICS CLINICAL LABORATORIES INC

Houston, Tex. 77072

Clinical Laboratory

6%

of this provider's 247,005 patients got this service
19,419

Performed in an office

6%

of this provider's 247,005 patients got this service
1.2
MEMPHIS PATHOLOGY LABORATORY

Memphis, Tenn. 38134

Clinical Laboratory

7%

of this provider's 200,728 patients got this service
17,320

Performed in an office

7%

of this provider's 200,728 patients got this service
1.2
SONORA QUEST LABORATORIES, LLC.

Tempe, Ariz. 85281

Clinical Laboratory

4%

of this provider's 279,312 patients got this service
15,043

Performed in an office

4%

of this provider's 279,312 patients got this service
1.2
LABORATORY CORPORTION OF AMERICA

Phoenix, Ariz. 85040

Clinical Laboratory

5%

of this provider's 232,979 patients got this service
14,111

Performed in an office

5%

of this provider's 232,979 patients got this service
1.2
QUEST DIAGNOSTICS INCORPORATED MD

Baltimore, Md. 21227

Clinical Laboratory

4%

of this provider's 289,568 patients got this service
14,003

Performed in an office

4%

of this provider's 289,568 patients got this service
1.2
PRIMEX CLINICAL LABORATORIES INC.

Van Nuys, Calif. 91406

Clinical Laboratory

18%

of this provider's 57,772 patients got this service
13,261

Performed in an office

18%

of this provider's 57,772 patients got this service
1.3
LABONE INC

LENEXA, Kan. 66219

Clinical Laboratory

3%

of this provider's 353,206 patients got this service
12,987

Performed in an office

3%

of this provider's 353,206 patients got this service
1.2
LABORATORY CORPORATION OF AMERICA HOLDINGS

Kansas City, Mo. 64120

Clinical Laboratory

5%

of this provider's 210,213 patients got this service
12,547

Performed in an office

5%

of this provider's 210,213 patients got this service
1.2
PHYSICIAN'S LABORATORY SERVICES INC

Miami, Fla. 33166

Clinical Laboratory

52%

of this provider's 17,040 patients got this service
12,138

Performed in an office

52%

of this provider's 17,040 patients got this service
1.4

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.