Treatment Tracker

The Doctors and Services in Medicare Part B

PATHOLOGY AND LABORATORY

Rheumatoid factor level

Service Code: 86431, Service Type: Medical

Total Paid

$9,536.11

Total Times Performed (or Units)

579,006

Rank Among All Services

383

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
79,515 California
69,273 Texas
66,965 New Jersey
53,668 North Carolina
47,551 Florida
31,563 New York
24,931 Alabama
20,254 Ohio
17,814 Illinois
17,192 Pennsylvania
15,414 Arizona
13,859 Georgia
12,708 Tennessee
9,816 Kansas
9,670 Maryland
7,907 Washington
7,841 Oklahoma
7,098 Michigan
6,762 Massachusetts
5,473 Wisconsin
4,858 Colorado
4,773 Connecticut
4,110 Missouri
3,943 Indiana
3,485 Oregon
3,354 Nevada
3,235 South Carolina
2,897 Hawaii
2,892 Kentucky
2,808 Minnesota
2,599 Arkansas
2,507 Louisiana
2,371 Virginia
1,883 New Mexico
1,253 Iowa
1,234 Maine
1,142 Mississippi
1,131 Nebraska
987 Idaho
534 Utah
429 South Dakota
260 North Dakota
197 Montana
141 Rhode Island
115 Washington, DC
66 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

2%

of this provider's 1,491,360 patients got this service
35,032

Performed in an office

2%

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

RARITAN, N.J. 08869

Laboratories, Clinical Medical Laboratory

3%

of this provider's 831,784 patients got this service
22,894

Performed in an office

3%

of this provider's 831,784 patients got this service
1.1
QUEST DIAGNOSTICS CLINICAL LABORATORIES INC

TAMPA, Fla. 33617

Laboratories, Clinical Medical Laboratory

3%

of this provider's 701,126 patients got this service
20,387

Performed in an office

3%

of this provider's 701,126 patients got this service
1.1
LABORATORY CORPORATION OF AMERICA HOLDINGS

BIRMINGHAM, Ala. 35233

Laboratories, Clinical Medical Laboratory

3%

of this provider's 684,893 patients got this service
18,938

Performed in an office

3%

of this provider's 684,893 patients got this service
1.1
QUEST DIAGNOSTICS INCORPORATED

TETERBORO, N.J. 07608

Laboratories, Clinical Medical Laboratory

3%

of this provider's 448,515 patients got this service
16,639

Performed in an office

3%

of this provider's 448,515 patients got this service
1.1
BIO-REFERENCE LABORATORIES, INC.

ELMWOOD PARK, N.J. 07407

Laboratories, Clinical Medical Laboratory

4%

of this provider's 361,248 patients got this service
16,635

Performed in an office

4%

of this provider's 361,248 patients got this service
1.2
UNILAB CORPORATION

WEST HILLS, Calif. 91304

Laboratories, Clinical Medical Laboratory

3%

of this provider's 485,682 patients got this service
15,146

Performed in an office

3%

of this provider's 485,682 patients got this service
1.1
CLINICAL PATHOLOGY LABORATORIES, INC.

AUSTIN, Tex. 78754

Laboratories, Clinical Medical Laboratory

3%

of this provider's 468,459 patients got this service
14,681

Performed in an office

3%

of this provider's 468,459 patients got this service
1.1
LABORATORY CORPORATION OF AMERICA HOLDINGS

DUBLIN, Ohio 43016

Laboratories, Clinical Medical Laboratory

2%

of this provider's 607,320 patients got this service
14,233

Performed in an office

2%

of this provider's 607,320 patients got this service
1.1
SOLSTAS LAB PARTNERS GROUP, LLC

GREENSBORO, N.C. 27410

Laboratories, Clinical Medical Laboratory

3%

of this provider's 470,242 patients got this service
13,621

Performed in an office

3%

of this provider's 470,242 patients got this service
1.1
QUEST DIAGNOSTICS CLINICAL LABORATORIES INC

TUCKER, Ga. 30084

Laboratories, Clinical Medical Laboratory

2%

of this provider's 494,683 patients got this service
12,578

Performed in an office

2%

of this provider's 494,683 patients got this service
1.1
LABORATORY CORPORATION OF AMERICA

SAN DIEGO, Calif. 92128

Laboratories, Clinical Medical Laboratory

3%

of this provider's 418,130 patients got this service
11,823

Performed in an office

3%

of this provider's 418,130 patients got this service
1.1
LABORATORY CORPORATION OF AMERICA

DALLAS, Tex. 75230

Laboratories, Clinical Medical Laboratory

2%

of this provider's 426,714 patients got this service
10,926

Performed in an office

2%

of this provider's 426,714 patients got this service
1.1
QUEST DIAGNOSTICS CLINICAL LABORATORIES INC

IRVING, Tex. 75063

Laboratories, Clinical Medical Laboratory

3%

of this provider's 370,247 patients got this service
10,790

Performed in an office

3%

of this provider's 370,247 patients got this service
1.1
QUEST DIAGNOSTICS LLC IL

WOOD DALE, Ill. 60191

Laboratories, Clinical Medical Laboratory

2%

of this provider's 427,860 patients got this service
10,188

Performed in an office

2%

of this provider's 427,860 patients got this service
1.1
LABORATORY CORPORATION OF AMERICA

TAMPA, Fla. 33607

Laboratories, Clinical Medical Laboratory

2%

of this provider's 396,965 patients got this service
8,662

Performed in an office

2%

of this provider's 396,965 patients got this service
1.1
LABORATORY CORPORATION OF AMERICA

HOUSTON, Tex. 77040

Laboratories, Clinical Medical Laboratory

3%

of this provider's 252,794 patients got this service
8,611

Performed in an office

3%

of this provider's 252,794 patients got this service
1.1
QUEST DIAGNOSTICS CLINICAL LABORATORIES INC

MIRAMAR, Fla. 33025

Laboratories, Clinical Medical Laboratory

3%

of this provider's 242,008 patients got this service
8,393

Performed in an office

3%

of this provider's 242,008 patients got this service
1.1
LABONE LLC

LENEXA, Kan. 66219

Laboratories, Clinical Medical Laboratory

2%

of this provider's 361,166 patients got this service
8,334

Performed in an office

2%

of this provider's 361,166 patients got this service
1
SONORA QUEST LABORATORIES, LLC.

TEMPE, Ariz. 85281

Laboratories, Clinical Medical Laboratory

2%

of this provider's 317,090 patients got this service
8,320

Performed in an office

2%

of this provider's 317,090 patients got this service
1.1
QUEST DIAGNOSTICS CLINICAL LABORATORIES INC

HORSHAM, Pa. 19044

Laboratories, Clinical Medical Laboratory

2%

of this provider's 345,147 patients got this service
8,202

Performed in an office

2%

of this provider's 345,147 patients got this service
1.1
UNILAB CORPORATION

SACRAMENTO, Calif. 95834

Laboratories, Clinical Medical Laboratory

2%

of this provider's 300,702 patients got this service
7,458

Performed in an office

2%

of this provider's 300,702 patients got this service
1.1
QUEST DIAGNOSTICS CLINICAL LABORATORIES INC

HOUSTON, Tex. 77072

Laboratories, Clinical Medical Laboratory

3%

of this provider's 228,806 patients got this service
7,396

Performed in an office

3%

of this provider's 228,806 patients got this service
1.1
SHIEL HOLDINGS LLC

BROOKLYN, N.Y. 11205

Laboratories, Clinical Medical Laboratory

3%

of this provider's 138,713 patients got this service
6,870

Performed in an office

3%

of this provider's 138,713 patients got this service
1.6
QUEST DIAGNOSTICS INCORPORATED MD

BALTIMORE, Md. 21227

Laboratories, Clinical Medical Laboratory

2%

of this provider's 276,049 patients got this service
6,582

Performed in an office

2%

of this provider's 276,049 patients got this service
1.1
MEMPHIS PATHOLOGY LABORATORY

MEMPHIS, Tenn. 38134

Laboratories, Clinical Medical Laboratory

3%

of this provider's 202,119 patients got this service
6,275

Performed in an office

3%

of this provider's 202,119 patients got this service
1.1
LABORATORY CORPORATION OF AMERICA

PHOENIX, Ariz. 85040

Laboratories, Clinical Medical Laboratory

2%

of this provider's 261,848 patients got this service
6,169

Performed in an office

2%

of this provider's 261,848 patients got this service
1.1
ACCU REFERENCE MEDICAL LAB, LLC

LINDEN, N.J. 07036

Laboratories, Clinical Medical Laboratory

7%

of this provider's 69,260 patients got this service
5,154

Performed in an office

7%

of this provider's 69,260 patients got this service
1.1
RHEUMATOLOGY DIAGNOSTICS LABORATORY INC

LOS ANGELES, Calif. 90034

Laboratories, Clinical Medical Laboratory

45%

of this provider's 8,896 patients got this service
5,144

Performed in an office

45%

of this provider's 8,896 patients got this service
1.1
QUEST DIAGNOSTICS CLINICAL LABORATORIES INC

SYOSSET, N.Y. 11791

Laboratories, Clinical Medical Laboratory

4%

of this provider's 126,512 patients got this service
4,955

Performed in an office

4%

of this provider's 126,512 patients got this service
1.1

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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