Lab tests CPT 86431 Wisconsin Outpatient

Rheumatoid factor test cost in Wisconsin

In Wisconsin, 81 hospitals publish a cash price for rheumatoid factor (RF) test: from $16.21 to $140.70, with a median of $57.50. The lowest price is at Bellin Memorial Health (Green Bay). The highest price is 8.7× the lowest.

Outpatient cash prices, one line per hospital — its lowest listed price for code 86431. Prices for both sides of the body and inpatient prices are not mixed in. Collected Sep 24, 2026.

Lowest$16.21Bellin Memorial Health
Median$57.50half pay less
Highest$140.70in Wisconsin
Lowest saves$41.29vs the median

Hospitals in Wisconsin, cheapest first

HospitalCash price List priceFile date
Bellin Memorial Health lowest Green Bay · Green Bay, WI RHEUMATOID FACTOR; QUANTITATIVE $16.21 $35.00 Jun 27, 2026
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Amery Hospital East Amery · East Amery, WI Immunology $19.29 $37.00 —
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Allina Health Systems River Falls · Minneapolis-St. Paul-Bloomington, MN-WI HCHG RHEUMATOID FACTOR QUEST $22.51 $40.20 Jun 15, 2026
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ThedaCare Regional Medical Center-Berlin Berlin · Berlin, WI RHEUMATOID FACTOR, BLOOD $23.13 $41.30 —
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ThedaCare Regional Medical Center-Appleton Appleton · Appleton, WI RHEUMATOID FACTOR; QUANTITATIVE $23.13 $41.30 —
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ThedaCare Regional Medical Center-Appleton Appleton · Appleton, WI RHEUMATOID FACTOR,SERUM $23.13 $41.30 —
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ThedaCare Regional Medical Center-Appleton Fond Du Lac · Fond du Lac, WI RA TITER $23.13 $41.30 —
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ThedaCare Regional Medical Center-Appleton Oshkosh · Oshkosh-Neenah, WI RHEUMATOID FACTOR; QUANTITATIVE $23.13 $41.30 —
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ThedaCare Regional Medical Center-Neenah Neenah · Oshkosh-Neenah, WI RHEUMATOID FACTOR; QUANTITATIVE $23.13 $41.30 —
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ThedaCare Regional Medical Center-New London New London · New London, WI RHEUMATOID FACTOR,SERUM $23.13 $41.30 —
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ThedaCare Regional Medical Center-Shawano Shawano · Shawano, WI RHEUMATOID FACTOR; QUANTITATIVE $23.13 $41.30 —
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ThedaCare Regional Medical Center-Waupaca Waupaca · Waupaca, WI RA TITER $23.13 $41.30 —
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ThedaCare Regional Medical Center-Wild Rose Wild Rose · Wild Rose, WI RHEUMATOID FACTOR,SERUM $23.13 $41.30 —
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Ascension NE Wisconsin Oshkosh · Oshkosh-Neenah, WI HC RHEUMATOID FACTOR QUANTITATIVE $23.37 $41.00 —
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Ascension NE Wisconsin - St Elizabeth Campus Appleton · Appleton, WI HC RHEUMATOID FACTOR QUANTITATIVE $23.37 $41.00 —
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Memorial Hospital of Boscobel Boscobel · Platteville, WI RHEUMATOID FACTOR; QUANTITATIVE $27.81 $54.00 Jun 27, 2026
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Gundersen Tri-County Hospital & Clinics Whitehall · Whitehall, WI RHEUMATOID FACTOR; QUANTITATIVE $29.16 $46.00 Jun 27, 2026
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Ascension SE Wisconsin Hospital Brookfield · Brookfield, WI HC RHEUMATOID FACTOR QUANTITATIVE $30.74 $58.00 —
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Ascension SE Wisconsin Hospital Franklin · Milwaukee-Waukesha, WI HC RHEUMATOID FACTOR QUANTITATIVE $30.74 $58.00 —
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Ascension SE Wisconsin Hospital Milwaukee · Milwaukee-Waukesha, WI HC RHEUMATOID FACTOR QUANTITATIVE $30.74 $58.00 —
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Ascension St. Francis Hospital Milwaukee · Milwaukee-Waukesha, WI HC RHEUMATOID FACTOR QUANTITATIVE $30.74 $58.00 —
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Wheaton Franciscan Healthcare - Southeast Wisconsin Franklin · Milwaukee-Waukesha, WI HC RHEUMATOID FACTOR QUANTITATIVE $30.74 $58.00 —
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Gundersen St Josephs Hospital and Clinics Hillsboro · La Crosse-Onalaska, WI-MN RHEUMATOID FACTOR; QUANTITATIVE $31.56 $60.00 Jun 27, 2026
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Gundersen Moundview Hospital and Clinics Friendship · Friendship, WI RHEUMATOID FACTOR; QUANTITATIVE $32.51 $64.00 Jun 27, 2026
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Ascension Calumet Hospital Chilton · Appleton, WI HC RHEUMATOID FACTOR QUANTITATIVE $34.20 $60.00 —
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Hudson Hospital Hudson · Minneapolis-St. Paul-Bloomington, MN-WI Ana Profile 12 $37.44 $83.00 —
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St Nicholas Hospital of the Hospital Sisters of the Third Order of St Francis Sheboygan · Sheboygan, WI HC RHEUMATOID FACTOR QN $38.94 $59.00 —
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St Vincent Hospital of the Hospital Sisters of the Third Order of St Francis Green Bay · Green Bay, WI HC RHEUMATOID FACTOR QN $38.94 $59.00 —
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St Clare Memorial Hospital Oconto Falls · Green Bay, WI HC RHEUMATOID FACTOR QN $38.94 $59.00 —
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St Marys Hospital Medical Center Green Bay · Green Bay, WI RHEUMATOID FACTOR QUANT $38.94 $59.00 —
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Westfields Hospital New Richmond · Minneapolis-St. Paul-Bloomington, MN-WI Ana Profile 12 $39.45 $75.00 —
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Columbia St. Mary's Hospital Milwaukee Milwaukee · Milwaukee-Waukesha, WI HC RHEUMATOID FACTOR QUANTITATIVE $48.23 $91.00 —
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Columbia St. Mary's Hospital Ozaukee Mequon · Milwaukee-Waukesha, WI HC RHEUMATOID FACTOR QUANTITATIVE $48.23 $91.00 —
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Sacred Heart Rehabilitation Institute Mequon · Milwaukee-Waukesha, WI HC RHEUMATOID FACTOR QUANTITATIVE $48.23 $91.00 —
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Aurora BayCare Medical Center Green Bay · Green Bay, WI RHEUMATOID FACTOR QUANTITATIVE $57.50 $115.00 Nov 21, 2025
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Aurora Lakeland Medical Center Elkhorn · Whitewater-Elkhorn, WI RHEUMATOID FACTOR QUANTITATIVE $57.50 $115.00 Nov 21, 2025
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Aurora Medical Center Bay Area Marinette · Marinette, WI-MI RHEUMATOID FACTOR QUANTITATIVE $57.50 $115.00 Nov 21, 2025
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Aurora Medical Center Burlington Burlington · Racine-Mount Pleasant, WI RHEUMATOID FACTOR QUANTITATIVE $57.50 $115.00 Nov 21, 2025
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Aurora Medical Center Fond du Lac Fond Du Lac · Fond du Lac, WI RHEUMATOID FACTOR QUANTITATIVE $57.50 $115.00 Nov 21, 2025
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Aurora Medical Center Grafton Grafton · Milwaukee-Waukesha, WI RHEUMATOID FACTOR QUANTITATIVE $57.50 $115.00 Nov 21, 2025
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Aurora Medical Center Kenosha Kenosha · Milwaukee-Waukesha, WI RHEUMATOID FACTOR QUANTITATIVE $57.50 $115.00 Nov 21, 2025
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Aurora Medical Center Manitowoc Two Rivers · Manitowoc, WI RHEUMATOID FACTOR QUANTITATIVE $57.50 $115.00 Nov 21, 2025
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Aurora Medical Center Mount Pleasant Mount Pleasant · Racine-Mount Pleasant, WI RHEUMATOID FACTOR QUANTITATIVE $57.50 $115.00 Nov 21, 2025
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Aurora Medical Center Oshkosh Oshkosh · Oshkosh-Neenah, WI RHEUMATOID FACTOR QUANTITATIVE $57.50 $115.00 Nov 21, 2025
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Aurora Medical Center Sheboygan County Sheboygan · Sheboygan, WI RHEUMATOID FACTOR QUANTITATIVE $57.50 $115.00 Nov 21, 2025
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Aurora Medical Center Summit Summit · Milwaukee-Waukesha, WI RHEUMATOID FACTOR QUANTITATIVE $57.50 $115.00 Nov 21, 2025
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Aurora Medical Center Washington County Hartford · Milwaukee-Waukesha, WI RHEUMATOID FACTOR QUANTITATIVE $57.50 $115.00 Nov 21, 2025
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Aurora Psychiatric Hospital Wauwatosa · Milwaukee-Waukesha, WI RHEUMATOID FACTOR QUANTITATIVE $57.50 $115.00 Nov 21, 2025
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Aurora Sinai Medical Center of Aurora Health Care Metro Milwaukee · Milwaukee-Waukesha, WI RHEUMATOID FACTOR QUANTITATIVE $57.50 $115.00 Nov 21, 2025
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Aurora St Lukes Medical Center of Aurora Health Care Metro Milwaukee · Milwaukee-Waukesha, WI RHEUMATOID FACTOR QUANTITATIVE $57.50 $115.00 Nov 21, 2025
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Aurora St Lukes South Shore of Aurora Health Care Metro Cudahy · Milwaukee-Waukesha, WI RHEUMATOID FACTOR QUANTITATIVE $57.50 $115.00 Nov 21, 2025
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Aurora West Allis Medical Center West Allis · Milwaukee-Waukesha, WI RHEUMATOID FACTOR QUANTITATIVE $57.50 $115.00 Nov 21, 2025
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Aspirus Divine Savior Hospital Portage · Madison, WI Fac Rheumatoid Factor, Quant $58.50 $90.00 Apr 1, 2026
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Aspirus Eagle River Hospital Eagle River · Eagle River, WI Fac Rheumatoid Factor, Quant $58.50 $90.00 Apr 1, 2026
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Aspirus Langlade Hospital Antigo · Antigo, WI Fac Rheumatoid Factor, Quant $58.50 $90.00 Apr 1, 2026
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Aspirus Medford Hospital Medford · Medford, WI RHEUMATOID FACTOR QUANTITATIVE $58.50 $90.00 Apr 1, 2026
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Aspirus Merrill Hospital Merrill · Merrill, WI Fac Rheumatoid Factor, Quant $58.50 $90.00 Apr 1, 2026
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Aspirus Plover Hospital Stevens Point · Stevens Point-Plover, WI Fac Rheumatoid Factor, Quant $58.50 $90.00 Apr 1, 2026
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Aspirus Rhinelander Hospital Rhinelander · Rhinelander, WI Fac Rheumatoid Factor, Quant $58.50 $90.00 Apr 1, 2026
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Aspirus Stanley Hospital Stanley · Eau Claire, WI Fac Rheumatoid Factor, Quant $58.50 $90.00 Apr 1, 2026
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Aspirus Stevens Point Hospital Stevens Point · Stevens Point-Plover, WI RHEUMATOID FACTOR QUANTITATIVE $58.50 $90.00 Apr 1, 2026
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Aspirus Tomahawk Hospital Tomahawk · Tomahawk, WI Fac Rheumatoid Factor, Quant $58.50 $90.00 Apr 1, 2026
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Aspirus Wausau Hospital Wausau · Wausau, WI Fac Rheumatoid Factor, Quant $58.50 $90.00 Apr 1, 2026
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Aspirus Wisconsin Rapids Hospital Wisconsin Rapids · Wisconsin Rapids-Marshfield, WI Fac Rheumatoid Factor, Quant $58.50 $90.00 Apr 1, 2026
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Howard Young Medical Center Woodruff · Woodruff, WI RHEUMATOID FACTOR QUANTITATIVE $58.50 $90.00 Apr 1, 2026
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Children's Hospital of Wisconsin Neenah · Oshkosh-Neenah, WI HBC FV RHEUMATOID FACTOR BLOOD $58.99 $107.25 Mar 24, 2026
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Essentia Health St Marys Hospital-Superior Superior · Duluth, MN-WI RHEUMATOID FACTOR QUANT $59.86 $81.00 Jan 1, 2026
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Marshfield Medical Center - Marshfield Marshfield · Wisconsin Rapids-Marshfield, WI RHEUMATOID FACTOR QUANT-TECH $60.80 $64.00 Feb 20, 2026
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Children's Hospital of Wisconsin Milwaukee · Milwaukee-Waukesha, WI HBC RHEUMATOID FACTOR $63.11 $114.75 Mar 23, 2026
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Marshfield Medical Center - Eau Claire Eau Claire · Eau Claire, WI RHEUMATOID FACTOR QUANT-TECH $70.30 $74.00 Feb 20, 2026
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Marshfield Medical Center - Ladysmith Ladysmith · Ladysmith, WI RHEUMATOID FACTOR QUANT-TECH $70.30 $74.00 Feb 20, 2026
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Marshfield Medical Center - Minocqua Minocqua · Minocqua, WI RHEUMATOID FACTOR QUANT-TECH $70.30 $74.00 Feb 20, 2026
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Marshfield Medical Center - Neillsville Neillsville · Neillsville, WI RHEUMATOID FACTOR QUANT-TECH $70.30 $74.00 Feb 20, 2026
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Marshfield Medical Center - Park Falls Park Falls · Park Falls, WI RHEUMATOID FACTOR QUANT-TECH $70.30 $74.00 Feb 20, 2026
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Marshfield Medical Center - Rice Lake Rice Lake · Rice Lake, WI RHEUMATOID FACTOR QUANT-TECH $70.30 $74.00 Feb 20, 2026
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Marshfield Medical Center - River Region at Stevens Point Stevens Point · Stevens Point-Plover, WI RHEUMATOID FACTOR QUANT-TECH $70.30 $74.00 Feb 20, 2026
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Marshfield Medical Center - Weston Weston · Wausau, WI RHEUMATOID FACTOR QUANT-TECH $70.30 $74.00 Feb 20, 2026
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UnityPoint Health - Meriter Madison · Madison, WI CHG RHEUMATOID FACTOR, QUANT $79.20 $99.00 Jan 28, 2026
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Columbia St. Mary's Glendale · Milwaukee-Waukesha, WI RA TITER QUANT $87.98 $166.00 —
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Marshfield Medical Center - Beaver Dam Beaver Dam · Beaver Dam, WI RHEUMATOID FACTOR QUANT-TECH $98.80 $104.00 Feb 20, 2026
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AdventHealth Durand Durand · Durand, WI HC RHEUMATOID FACTOR - ARUP $140.70 $140.70 Apr 1, 2026
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By metro area

Each metro page compares every listing, including prices for both sides of the body.

Metro areaHospitals LowestMedian
Milwaukee-Waukesha, WI 18 $30.74 $57.50
Green Bay, WI 5 $16.21 $38.94
Oshkosh-Neenah, WI 5 $23.13 $23.37
Appleton, WI 4 $23.13 $23.25
Minneapolis-St. Paul-Bloomington, MN-WI 3 $22.51 $37.44
Stevens Point-Plover, WI 3 $58.50 $58.50
Eau Claire, WI 2 $58.50 $64.40
Fond du Lac, WI 2 $23.13 $40.32
Madison, WI 2 $58.50 $68.85
Racine-Mount Pleasant, WI 2 $57.50 $57.50
Sheboygan, WI 2 $38.94 $48.22
Wausau, WI 2 $58.50 $64.40
Wisconsin Rapids-Marshfield, WI 2 $58.50 $59.65
Antigo, WI 1 $58.50 $58.50
Berlin, WI 1 $23.13 $23.13
Brookfield, WI 1 $30.74 $30.74
Beaver Dam, WI 1 $98.80 $98.80
Durand, WI 1 $140.70 $140.70
Duluth, MN-WI 1 $59.86 $59.86
Eagle River, WI 1 $58.50 $58.50
East Amery, WI 1 $19.29 $19.29
Friendship, WI 1 $32.51 $32.51
Ladysmith, WI 1 $70.30 $70.30
La Crosse-Onalaska, WI-MN 1 $31.56 $31.56
Medford, WI 1 $58.50 $58.50
Merrill, WI 1 $58.50 $58.50
Minocqua, WI 1 $70.30 $70.30
Manitowoc, WI 1 $57.50 $57.50
Marinette, WI-MI 1 $57.50 $57.50
Neillsville, WI 1 $70.30 $70.30
New London, WI 1 $23.13 $23.13
Park Falls, WI 1 $70.30 $70.30
Platteville, WI 1 $27.81 $27.81
Rhinelander, WI 1 $58.50 $58.50
Rice Lake, WI 1 $70.30 $70.30
Shawano, WI 1 $23.13 $23.13
Tomahawk, WI 1 $58.50 $58.50
Waupaca, WI 1 $23.13 $23.13
Whitehall, WI 1 $29.16 $29.16
Wild Rose, WI 1 $23.13 $23.13
Woodruff, WI 1 $58.50 $58.50
Whitewater-Elkhorn, WI 1 $57.50 $57.50

What it is

Rheumatoid factor is an antibody found in many people with rheumatoid arthritis. The test is part of the workup for joint pain and swelling.

What the price covers

The price usually covers running the test. The blood draw (36415) is often billed as a separate line.

Rheumatoid factor (RF) test in other states

Median cash price across the state's hospitals.