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Treatment Tracker

PATHOLOGY AND LABORATORY

Urea nitrogen level to assess kidney function

Service Code: 84520

Total Paid

$2,714,321

Total Times Performed (or Units)

1,228,598

Rank Among All Services

248

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
125,009 Michigan
105,554 North Carolina
94,101 Florida
88,465 California
68,316 New Jersey
66,718 Ohio
65,774 Massachusetts
64,784 Texas
44,192 Pennsylvania
42,856 New York
41,445 Connecticut
37,383 Alabama
36,130 Arizona
29,812 Iowa
27,242 Indiana
25,898 Minnesota
23,558 South Carolina
22,964 Maryland
18,282 Wisconsin
18,117 Missouri
18,084 Illinois
17,223 Rhode Island
16,150 Arkansas
15,182 Virginia
14,708 Tennessee
11,768 Georgia
11,334 Washington
8,168 Colorado
7,193 Kansas
6,379 Mississippi
6,358 Maine
5,712 Louisiana
5,570 South Dakota
5,403 Nevada
4,908 Hawaii
4,846 Nebraska
4,543 West Virginia
4,431 Kentucky
3,382 Oklahoma
2,894 Oregon
1,197 Puerto Rico
1,175 New Hampshire
1,025 New Mexico
959 Utah
769 Vermont
751 Delaware
580 Idaho
495 Montana
353 North Dakota
193 Alaska
151 Wyoming
98 Guam
16 Washington, DC

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

4%

of this provider's 1,306,778 patients got this service
73,014

Performed in an office

4%

of this provider's 1,306,778 patients got this service
1.5
QUEST DIAGNOSTICS INCORPORATED MI

Auburn Hills, Mich. 48326

Clinical Laboratory

12%

of this provider's 231,681 patients got this service
50,204

Performed in an office

12%

of this provider's 231,681 patients got this service
1.8
LABORATORY CORPORATION OF AMERICA HOLDINGS

Raritan, N.J. 08869

Clinical Laboratory

4%

of this provider's 696,585 patients got this service
39,840

Performed in an office

4%

of this provider's 696,585 patients got this service
1.3
LABORATORY CORPORATION OF AMERICA HOLDINGS

Dublin, Ohio 43016

Clinical Laboratory

3%

of this provider's 604,319 patients got this service
30,848

Performed in an office

3%

of this provider's 604,319 patients got this service
1.5
LABORATORY CORPORATION OF AMERICA HOLDINGS

Birmingham, Ala. 35233

Clinical Laboratory

3%

of this provider's 669,554 patients got this service
25,766

Performed in an office

3%

of this provider's 669,554 patients got this service
1.4
QUEST DIAGNOSTICS LLC

WALLINGFORD, Conn. 06492

Clinical Laboratory

10%

of this provider's 159,845 patients got this service
25,116

Performed in an office

10%

of this provider's 159,845 patients got this service
1.6
MAYO CLINIC ARIZONA

Scottsdale, Ariz. 85259

Clinical Laboratory

48%

of this provider's 24,920 patients got this service
22,801

Performed in an office

48%

of this provider's 24,920 patients got this service
1.9
LABORATORY CORPORATION OF AMERICA

TAMPA, Fla. 33607

Clinical Laboratory

3%

of this provider's 444,355 patients got this service
16,799

Performed in an office

3%

of this provider's 444,355 patients got this service
1.5
QUEST DIAGNOSTICS CLINICAL LABORATORIES INC

Horsham, Pa. 19044

Clinical Laboratory

3%

of this provider's 377,772 patients got this service
15,709

Performed in an office

3%

of this provider's 377,772 patients got this service
1.3
FRANKLIN COCKERILL

Rochester, Minn. 55905

Pathology

18%

of this provider's 56,628 patients got this service
15,562

Performed in an office

18%

of this provider's 56,628 patients got this service
1.5
UNILAB CORPORATION

SACRAMENTO, Calif. 95834

Clinical Laboratory

3%

of this provider's 288,243 patients got this service
15,056

Performed in an office

3%

of this provider's 288,243 patients got this service
1.6
LABORATORY CORPORATION OF AMERICA

San Diego, Calif. 92128

Clinical Laboratory

3%

of this provider's 372,538 patients got this service
14,272

Performed in an office

3%

of this provider's 372,538 patients got this service
1.3
QUEST DIAGNOSTICS INCORPORATED

CAMBRIDGE, Mass. 02139

Clinical Laboratory

5%

of this provider's 172,862 patients got this service
14,090

Performed in an office

5%

of this provider's 172,862 patients got this service
1.5
BIOTECH CLINICAL LABORATORIES

Novi, Mich. 48375

Clinical Laboratory

20%

of this provider's 41,930 patients got this service
13,910

Performed in an office

20%

of this provider's 41,930 patients got this service
1.7
LABORATORY CORPORATION OF AMERICA

Houston, Tex. 77040

Clinical Laboratory

4%

of this provider's 281,374 patients got this service
13,748

Performed in an office

4%

of this provider's 281,374 patients got this service
1.4
EAST SIDE CLINICAL LABORATORY, INC.

East Providence, R.I. 02914

Clinical Laboratory

20%

of this provider's 40,842 patients got this service
13,500

Performed in an office

20%

of this provider's 40,842 patients got this service
1.6
QUEST DIAGNOSTICS INCORPORATED

TETERBORO, N.J. 07608

Clinical Laboratory

2%

of this provider's 525,451 patients got this service
13,179

Performed in an office

2%

of this provider's 525,451 patients got this service
1.2
SOLSTAS LAB PARTNERS GROUP, LLC

Greensboro, N.C. 27410

Clinical Laboratory

1%

of this provider's 596,770 patients got this service
12,261

Performed in an office

1%

of this provider's 596,770 patients got this service
1.6
LABORATORY CORPORATION OF AMERICA

Dallas, Tex. 75230

Clinical Laboratory

2%

of this provider's 337,196 patients got this service
11,939

Performed in an office

2%

of this provider's 337,196 patients got this service
1.4
DETROIT BIO MEDICAL LABS INC

Farmington Hills, Mich. 48335

Clinical Laboratory

21%

of this provider's 31,631 patients got this service
11,742

Performed in an office

21%

of this provider's 31,631 patients got this service
1.7
QUEST DIAGNOSTICS CLINICAL LABORATORIES INC

TAMPA, Fla. 33617

Clinical Laboratory

1%

of this provider's 627,606 patients got this service
11,579

Performed in an office

1%

of this provider's 627,606 patients got this service
1.3
UNILAB CORPORATION

WEST HILLS, Calif. 91304

Clinical Laboratory

2%

of this provider's 416,737 patients got this service
11,165

Performed in an office

2%

of this provider's 416,737 patients got this service
1.2
VHS UNIVERSITY LABORATORIES INC

Detroit, Mich. 48201

Clinical Laboratory

17%

of this provider's 40,337 patients got this service
10,999

Performed in an office

17%

of this provider's 40,337 patients got this service
1.6
LABORATORY CORPORATION OF AMERICA HOLDINGS

Kansas City, Mo. 64120

Clinical Laboratory

4%

of this provider's 210,213 patients got this service
10,353

Performed in an office

4%

of this provider's 210,213 patients got this service
1.3
CLINICAL LABORATORY PARTNERS

Newington, Conn. 06111

Clinical Laboratory

10%

of this provider's 64,283 patients got this service
9,306

Performed in an office

10%

of this provider's 64,283 patients got this service
1.4
MAYO CLINIC JACKSONVILLE

Jacksonville, Fla. 32224

Clinical Laboratory

23%

of this provider's 27,231 patients got this service
9,296

Performed in an office

23%

of this provider's 27,231 patients got this service
1.5
BIO-REFERENCE LABORATORIES, INC.

Elmwood Park, N.J. 07407

Clinical Laboratory

2%

of this provider's 326,629 patients got this service
8,650

Performed in an office

2%

of this provider's 326,629 patients got this service
1.5
BOSTON HEART DIAGNOSTICS CORPORATION

Framingham, Mass. 01702

Clinical Laboratory

28%

of this provider's 23,751 patients got this service
7,651

Performed in an office

28%

of this provider's 23,751 patients got this service
1.1
QUEST DIAGNOSTICS INCORPORATED MD

Baltimore, Md. 21227

Clinical Laboratory

2%

of this provider's 289,568 patients got this service
6,769

Performed in an office

2%

of this provider's 289,568 patients got this service
1.3
QUEST DIAGNOSTICS CLINICAL LABORATORIES INC

MIRAMAR, Fla. 33025

Clinical Laboratory

2%

of this provider's 228,036 patients got this service
6,582

Performed in an office

2%

of this provider's 228,036 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.