Treatment Tracker

The Doctors and Services in Medicare Part B

PATHOLOGY AND LABORATORY

Urea nitrogen level to assess kidney function

Service Code: 84520, Service Type: Medical

Total Paid

$7,763.33

Total Times Performed (or Units)

974,703

Rank Among All Services

303

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
94,965 California
85,995 North Carolina
83,375 Florida
77,830 Massachusetts
72,449 New Jersey
63,494 Michigan
51,819 Texas
48,872 Ohio
29,843 Pennsylvania
29,051 New York
28,416 Arizona
26,527 Alabama
24,640 Connecticut
24,485 Illinois
22,434 Iowa
20,494 Minnesota
19,122 Indiana
17,781 South Carolina
15,177 Maryland
13,730 Rhode Island
12,789 Wisconsin
11,088 Washington
10,744 Colorado
10,145 Arkansas
9,107 Virginia
8,780 Tennessee
8,663 Georgia
7,993 Mississippi
4,983 Nevada
4,470 Kansas
4,404 Hawaii
3,603 Missouri
3,436 Kentucky
3,306 Louisiana
2,991 Oklahoma
2,855 Maine
2,732 Nebraska
2,464 South Dakota
1,635 West Virginia
1,496 Oregon
1,144 Montana
864 New Hampshire
842 Vermont
793 New Mexico
635 Delaware
429 Utah
347 Idaho
320 Alaska
65 North Dakota
32 Wyoming

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

3%

of this provider's 1,491,360 patients got this service
63,234

Performed in an office

3%

of this provider's 1,491,360 patients got this service
1.4
LABORATORY CORPORATION OF AMERICA HOLDINGS

RARITAN, N.J. 08869

Laboratories, Clinical Medical Laboratory

5%

of this provider's 831,784 patients got this service
46,468

Performed in an office

5%

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

DUBLIN, Ohio 43016

Laboratories, Clinical Medical Laboratory

3%

of this provider's 607,320 patients got this service
29,520

Performed in an office

3%

of this provider's 607,320 patients got this service
1.5
BOSTON HEART DIAGNOSTICS CORPORATION

FRAMINGHAM, Mass. 01702

Laboratories, Clinical Medical Laboratory

44%

of this provider's 45,679 patients got this service
24,284

Performed in an office

44%

of this provider's 45,679 patients got this service
1.2
LABORATORY CORPORATION OF AMERICA HOLDINGS

BIRMINGHAM, Ala. 35233

Laboratories, Clinical Medical Laboratory

2%

of this provider's 684,893 patients got this service
22,575

Performed in an office

2%

of this provider's 684,893 patients got this service
1.4
LABORATORY CORPORATION OF AMERICA

SAN DIEGO, Calif. 92128

Laboratories, Clinical Medical Laboratory

4%

of this provider's 418,130 patients got this service
21,868

Performed in an office

4%

of this provider's 418,130 patients got this service
1.4
LABORATORY CORPORATION OF AMERICA

TAMPA, Fla. 33607

Laboratories, Clinical Medical Laboratory

3%

of this provider's 396,965 patients got this service
16,619

Performed in an office

3%

of this provider's 396,965 patients got this service
1.4
BIOTECH CLINICAL LABORATORIES INC

NOVI, Mich. 48375

Laboratories, Clinical Medical Laboratory

18%

of this provider's 48,288 patients got this service
16,127

Performed in an office

18%

of this provider's 48,288 patients got this service
1.8
QUEST DIAGNOSTICS LLC IL

WOOD DALE, Ill. 60191

Laboratories, Clinical Medical Laboratory

2%

of this provider's 427,860 patients got this service
15,445

Performed in an office

2%

of this provider's 427,860 patients got this service
1.5
QUEST DIAGNOSTICS INCORPORATED MI

TROY, Mich. 48083

Laboratories, Clinical Medical Laboratory

10%

of this provider's 91,188 patients got this service
14,472

Performed in an office

10%

of this provider's 91,188 patients got this service
1.6
QUEST DIAGNOSTICS CLINICAL LABORATORIES INC

TAMPA, Fla. 33617

Laboratories, Clinical Medical Laboratory

2%

of this provider's 701,126 patients got this service
14,440

Performed in an office

2%

of this provider's 701,126 patients got this service
1.3
WILLIAM MORICE

ROCHESTER, Minn. 55905

Clinical Pathology/Laboratory Medicine

19%

of this provider's 50,453 patients got this service
14,282

Performed in an office

19%

of this provider's 50,453 patients got this service
1.5
QUEST DIAGNOSTICS LLC

WALLINGFORD, Conn. 06492

Laboratories, Clinical Medical Laboratory

8%

of this provider's 125,516 patients got this service
13,468

Performed in an office

8%

of this provider's 125,516 patients got this service
1.4
QUEST DIAGNOSTICS MASSACHUSETTS LLC

MARLBOROUGH, Mass. 01752

Laboratories, Clinical Medical Laboratory

5%

of this provider's 197,454 patients got this service
12,955

Performed in an office

5%

of this provider's 197,454 patients got this service
1.3
MAYO CLINIC ARIZONA

SCOTTSDALE, Ariz. 85259

Laboratories, Clinical Medical Laboratory

32%

of this provider's 21,762 patients got this service
12,889

Performed in an office

32%

of this provider's 21,762 patients got this service
1.9
LABORATORY CORPORATION OF AMERICA

HOUSTON, Tex. 77040

Laboratories, Clinical Medical Laboratory

3%

of this provider's 252,794 patients got this service
12,233

Performed in an office

3%

of this provider's 252,794 patients got this service
1.4
LABORATORY CORPORATION OF AMERICA

DALLAS, Tex. 75230

Laboratories, Clinical Medical Laboratory

2%

of this provider's 426,714 patients got this service
11,808

Performed in an office

2%

of this provider's 426,714 patients got this service
1.3
QUEST DIAGNOSTICS CLINICAL LABORATORIES INC

HORSHAM, Pa. 19044

Laboratories, Clinical Medical Laboratory

3%

of this provider's 345,147 patients got this service
11,466

Performed in an office

3%

of this provider's 345,147 patients got this service
1.2
UNILAB CORPORATION

WEST HILLS, Calif. 91304

Laboratories, Clinical Medical Laboratory

2%

of this provider's 485,682 patients got this service
11,318

Performed in an office

2%

of this provider's 485,682 patients got this service
1.2
EAST SIDE CLINICAL LABORATORY, INC.

EAST PROVIDENCE, R.I. 02914

Laboratories, Clinical Medical Laboratory

15%

of this provider's 46,355 patients got this service
10,993

Performed in an office

15%

of this provider's 46,355 patients got this service
1.6
QUEST DIAGNOSTICS INCORPORATED

TETERBORO, N.J. 07608

Laboratories, Clinical Medical Laboratory

2%

of this provider's 448,515 patients got this service
10,769

Performed in an office

2%

of this provider's 448,515 patients got this service
1.2
MAYO CLINIC JACKSONVILLE

JACKSONVILLE, Fla. 32224

Laboratories, Clinical Medical Laboratory

26%

of this provider's 26,572 patients got this service
10,600

Performed in an office

26%

of this provider's 26,572 patients got this service
1.6
UNILAB CORPORATION

SACRAMENTO, Calif. 95834

Laboratories, Clinical Medical Laboratory

2%

of this provider's 300,702 patients got this service
8,092

Performed in an office

2%

of this provider's 300,702 patients got this service
1.3
SOLSTAS LAB PARTNERS GROUP, LLC

GREENSBORO, N.C. 27410

Laboratories, Clinical Medical Laboratory

1%

of this provider's 470,242 patients got this service
7,935

Performed in an office

1%

of this provider's 470,242 patients got this service
1.6
BIO-REFERENCE LABORATORIES, INC.

ELMWOOD PARK, N.J. 07407

Laboratories, Clinical Medical Laboratory

1%

of this provider's 361,248 patients got this service
7,408

Performed in an office

1%

of this provider's 361,248 patients got this service
1.4
QUEST DIAGNOSTICS LLC

MARLBOROUGH, Mass. 01752

Laboratories, Clinical Medical Laboratory

5%

of this provider's 124,499 patients got this service
7,215

Performed in an office

5%

of this provider's 124,499 patients got this service
1.2
LABORATORY CORPORATION OF AMERICA

ENGLEWOOD, Colo. 80112

Laboratories, Clinical Medical Laboratory

4%

of this provider's 133,386 patients got this service
7,159

Performed in an office

4%

of this provider's 133,386 patients got this service
1.3
HARTFORD HEALTHCARE LABORATORIES

NEWINGTON, Conn. 06111

Laboratories, Clinical Medical Laboratory

8%

of this provider's 70,039 patients got this service
7,135

Performed in an office

8%

of this provider's 70,039 patients got this service
1.3
DETROIT BIO MEDICAL LABS INC

FARMINGTON HILLS, Mich. 48335

Laboratories, Clinical Medical Laboratory

16%

of this provider's 25,554 patients got this service
7,114

Performed in an office

16%

of this provider's 25,554 patients got this service
1.7
SONORA QUEST LABORATORIES, LLC.

TEMPE, Ariz. 85281

Laboratories, Clinical Medical Laboratory

2%

of this provider's 317,090 patients got this service
6,981

Performed in an office

2%

of this provider's 317,090 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 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.

Read our methodology.