Lab tests CPT 83735 Wisconsin Outpatient

Magnesium test cost in Wisconsin

In Wisconsin, 80 hospitals publish a cash price for magnesium blood test: from $10.43 to $181.79, with a median of $50.00. The lowest price is at Amery Hospital (East Amery). The highest price is 17.4× the lowest.

Outpatient cash prices, one line per hospital — its lowest listed price for code 83735. Prices for both sides of the body and inpatient prices are not mixed in. Collected Sep 24, 2026.

Lowest$10.43Amery Hospital

Median$50.00half pay less

Highest$181.79in Wisconsin

Lowest saves$39.57vs the median

Hospitals in Wisconsin, cheapest first

Hospital	Cash price	List price	File date
Amery Hospital lowest East Amery · East Amery, WI Chemistry	$10.43	$20.00	— source file
Allina Health Systems River Falls · Minneapolis-St. Paul-Bloomington, MN-WI HCHG SUPERSAT MAGNESIUM	$12.71	$22.70	Jun 15, 2026 source file
Children's Hospital of Wisconsin Milwaukee · Milwaukee-Waukesha, WI HBC MAGNESIUM KIDSTN	$13.34	$24.25	Mar 23, 2026 source file
Westfields Hospital New Richmond · Minneapolis-St. Paul-Bloomington, MN-WI Supersaturation Profile, Urine 24 Hr	$13.68	$26.00	— source file
Bellin Memorial Health Green Bay · Green Bay, WI MAGNESIUM ARUP	$19.45	$42.00	Jun 27, 2026 source file
Gundersen St Josephs Hospital and Clinics Hillsboro · La Crosse-Onalaska, WI-MN MAGNESIUM	$25.77	$49.00	Jun 27, 2026 source file
Ascension NE Wisconsin Oshkosh · Oshkosh-Neenah, WI HC ASSAY OF MAGNESIUM	$27.93	$49.00	— source file
Ascension NE Wisconsin - St Elizabeth Campus Appleton · Appleton, WI HC ASSAY OF MAGNESIUM	$27.93	$49.00	— source file
Hudson Hospital Hudson · Minneapolis-St. Paul-Bloomington, MN-WI Magnesium RBC	$32.93	$73.00	— source file
Memorial Hospital of Boscobel Boscobel · Platteville, WI MAGNESIUM	$32.96	$64.00	Jun 27, 2026 source file
ThedaCare Regional Medical Center-Berlin Berlin · Berlin, WI ASSAY MAGNESIUM	$34.22	$61.10	— source file
ThedaCare Regional Medical Center-Appleton Appleton · Appleton, WI MAGNESIUM	$34.22	$61.10	— source file
ThedaCare Regional Medical Center-Appleton Appleton · Appleton, WI ASSAY MAGNESIUM	$34.22	$61.10	— source file
ThedaCare Regional Medical Center-Appleton Fond Du Lac · Fond du Lac, WI ASSAY MAGNESIUM	$34.22	$61.10	— source file
ThedaCare Regional Medical Center-Appleton Oshkosh · Oshkosh-Neenah, WI ASSAY MAGNESIUM	$34.22	$61.10	— source file
ThedaCare Regional Medical Center-Neenah Neenah · Oshkosh-Neenah, WI ASSAY MAGNESIUM	$34.22	$61.10	— source file
ThedaCare Regional Medical Center-New London New London · New London, WI ASSAY MAGNESIUM	$34.22	$61.10	— source file
ThedaCare Regional Medical Center-Shawano Shawano · Shawano, WI ASSAY MAGNESIUM	$34.22	$61.10	— source file
ThedaCare Regional Medical Center-Waupaca Waupaca · Waupaca, WI ASSAY MAGNESIUM	$34.22	$61.10	— source file
ThedaCare Regional Medical Center-Wild Rose Wild Rose · Wild Rose, WI ASSAY MAGNESIUM	$34.22	$61.10	— source file
Gundersen Tri-County Hospital & Clinics Whitehall · Whitehall, WI MAGNESIUM, RBC ARUP	$34.87	$55.00	Jun 27, 2026 source file
Columbia St. Mary's Glendale · Milwaukee-Waukesha, WI MAGNESIUM	$37.63	$71.00	— source file
Gundersen Moundview Hospital and Clinics Friendship · Friendship, WI MAGNESIUM	$38.10	$75.00	Jun 27, 2026 source file
Ascension SE Wisconsin Hospital Brookfield · Brookfield, WI HC ASSAY OF MAGNESIUM	$39.75	$75.00	— source file
Ascension SE Wisconsin Hospital Franklin · Milwaukee-Waukesha, WI HC ASSAY OF MAGNESIUM	$39.75	$75.00	— source file
Ascension SE Wisconsin Hospital Milwaukee · Milwaukee-Waukesha, WI HC ASSAY OF MAGNESIUM	$39.75	$75.00	— source file
Ascension St. Francis Hospital Milwaukee · Milwaukee-Waukesha, WI HC ASSAY OF MAGNESIUM	$39.75	$75.00	— source file
Wheaton Franciscan Healthcare - Southeast Wisconsin Franklin · Milwaukee-Waukesha, WI HC ASSAY OF MAGNESIUM	$39.75	$75.00	— source file
Ascension Calumet Hospital Chilton · Appleton, WI HC ASSAY OF MAGNESIUM	$41.04	$72.00	— source file
St Nicholas Hospital of the Hospital Sisters of the Third Order of St Francis Sheboygan · Sheboygan, WI ASSAY OF MAGNESIUM	$48.84	$74.00	— source file
St Vincent Hospital of the Hospital Sisters of the Third Order of St Francis Green Bay · Green Bay, WI ASSAY OF MAGNESIUM	$48.84	$74.00	— source file
St Clare Memorial Hospital Oconto Falls · Green Bay, WI HC MAGNESIUM	$48.84	$74.00	— source file
St Marys Hospital Medical Center Green Bay · Green Bay, WI ASSAY OF MAGNESIUM	$48.84	$74.00	— source file
Aurora BayCare Medical Center Green Bay · Green Bay, WI MAGNESIUM SRDP	$50.00	$100.00	Nov 21, 2025 source file
Aurora Lakeland Medical Center Elkhorn · Whitewater-Elkhorn, WI MAGNESIUM SRDP	$50.00	$100.00	Nov 21, 2025 source file
Aurora Medical Center Bay Area Marinette · Marinette, WI-MI MAGNESIUM URINE	$50.00	$100.00	Nov 21, 2025 source file
Aurora Medical Center Burlington Burlington · Racine-Mount Pleasant, WI MAGNESIUM URINE	$50.00	$100.00	Nov 21, 2025 source file
Aurora Medical Center Fond du Lac Fond Du Lac · Fond du Lac, WI MAGNESIUM SRDP	$50.00	$100.00	Nov 21, 2025 source file
Aurora Medical Center Grafton Grafton · Milwaukee-Waukesha, WI MAGNESIUM SRDP	$50.00	$100.00	Nov 21, 2025 source file
Aurora Medical Center Kenosha Kenosha · Milwaukee-Waukesha, WI MAGNESIUM URINE	$50.00	$100.00	Nov 21, 2025 source file
Aurora Medical Center Manitowoc Two Rivers · Manitowoc, WI MAGNESIUM SRDP	$50.00	$100.00	Nov 21, 2025 source file
Aurora Medical Center Mount Pleasant Mount Pleasant · Racine-Mount Pleasant, WI MAGNESIUM URINE	$50.00	$100.00	Nov 21, 2025 source file
Aurora Medical Center Oshkosh Oshkosh · Oshkosh-Neenah, WI MAGNESIUM SRDP	$50.00	$100.00	Nov 21, 2025 source file
Aurora Medical Center Sheboygan County Sheboygan · Sheboygan, WI MAGNESIUM URINE	$50.00	$100.00	Nov 21, 2025 source file
Aurora Medical Center Summit Summit · Milwaukee-Waukesha, WI MAGNESIUM URINE	$50.00	$100.00	Nov 21, 2025 source file
Aurora Medical Center Washington County Hartford · Milwaukee-Waukesha, WI MAGNESIUM URINE	$50.00	$100.00	Nov 21, 2025 source file
Aurora Psychiatric Hospital Wauwatosa · Milwaukee-Waukesha, WI MAGNESIUM URINE	$50.00	$100.00	Nov 21, 2025 source file
Aurora Sinai Medical Center of Aurora Health Care Metro Milwaukee · Milwaukee-Waukesha, WI MAGNESIUM URINE	$50.00	$100.00	Nov 21, 2025 source file
Aurora St Lukes Medical Center of Aurora Health Care Metro Milwaukee · Milwaukee-Waukesha, WI MAGNESIUM URINE	$50.00	$100.00	Nov 21, 2025 source file
Aurora St Lukes South Shore of Aurora Health Care Metro Cudahy · Milwaukee-Waukesha, WI MAGNESIUM SRDP	$50.00	$100.00	Nov 21, 2025 source file
Aurora West Allis Medical Center West Allis · Milwaukee-Waukesha, WI MAGNESIUM URINE	$50.00	$100.00	Nov 21, 2025 source file
Marshfield Medical Center - Marshfield Marshfield · Wisconsin Rapids-Marshfield, WI MAGNESIUM ASSAY-TECH	$51.30	$54.00	Feb 20, 2026 source file
Aspirus Divine Savior Hospital Portage · Madison, WI ASSAY OF MAGNESIUM	$53.30	$82.00	Apr 1, 2026 source file
Aspirus Eagle River Hospital Eagle River · Eagle River, WI ASSAY OF MAGNESIUM	$53.30	$82.00	Apr 1, 2026 source file
Aspirus Langlade Hospital Antigo · Antigo, WI ASSAY OF MAGNESIUM	$53.30	$82.00	Apr 1, 2026 source file
Aspirus Medford Hospital Medford · Medford, WI ASSAY OF MAGNESIUM	$53.30	$82.00	Apr 1, 2026 source file
Aspirus Merrill Hospital Merrill · Merrill, WI Fac Assay of Magnesium	$53.30	$82.00	Apr 1, 2026 source file
Aspirus Plover Hospital Stevens Point · Stevens Point-Plover, WI ASSAY OF MAGNESIUM	$53.30	$82.00	Apr 1, 2026 source file
Aspirus Rhinelander Hospital Rhinelander · Rhinelander, WI ASSAY OF MAGNESIUM	$53.30	$82.00	Apr 1, 2026 source file
Aspirus Stanley Hospital Stanley · Eau Claire, WI ASSAY OF MAGNESIUM	$53.30	$82.00	Apr 1, 2026 source file
Aspirus Stevens Point Hospital Stevens Point · Stevens Point-Plover, WI ASSAY OF MAGNESIUM	$53.30	$82.00	Apr 1, 2026 source file
Aspirus Tomahawk Hospital Tomahawk · Tomahawk, WI ASSAY OF MAGNESIUM	$53.30	$82.00	Apr 1, 2026 source file
Aspirus Wausau Hospital Wausau · Wausau, WI ASSAY OF MAGNESIUM	$53.30	$82.00	Apr 1, 2026 source file
Aspirus Wisconsin Rapids Hospital Wisconsin Rapids · Wisconsin Rapids-Marshfield, WI ASSAY OF MAGNESIUM	$53.30	$82.00	Apr 1, 2026 source file
Howard Young Medical Center Woodruff · Woodruff, WI ASSAY OF MAGNESIUM	$53.30	$82.00	Apr 1, 2026 source file
Columbia St. Mary's Hospital Milwaukee Milwaukee · Milwaukee-Waukesha, WI HC ASSAY OF MAGNESIUM	$57.77	$109.00	— source file
Columbia St. Mary's Hospital Ozaukee Mequon · Milwaukee-Waukesha, WI HC ASSAY OF MAGNESIUM	$57.77	$109.00	— source file
Children's Hospital of Wisconsin Neenah · Oshkosh-Neenah, WI HBC FV MAGNESIUM	$61.46	$111.75	Mar 24, 2026 source file
Marshfield Medical Center - Eau Claire Eau Claire · Eau Claire, WI MAGNESIUM ASSAY-TECH	$65.55	$69.00	Feb 20, 2026 source file
Marshfield Medical Center - Ladysmith Ladysmith · Ladysmith, WI MAGNESIUM ASSAY-TECH	$65.55	$69.00	Feb 20, 2026 source file
Marshfield Medical Center - Minocqua Minocqua · Minocqua, WI MAGNESIUM ASSAY-TECH	$65.55	$69.00	Feb 20, 2026 source file
Marshfield Medical Center - Neillsville Neillsville · Neillsville, WI MAGNESIUM ASSAY-TECH	$65.55	$69.00	Feb 20, 2026 source file
Marshfield Medical Center - Park Falls Park Falls · Park Falls, WI MAGNESIUM ASSAY-TECH	$65.55	$69.00	Feb 20, 2026 source file
Marshfield Medical Center - Rice Lake Rice Lake · Rice Lake, WI MAGNESIUM ASSAY-TECH	$65.55	$69.00	Feb 20, 2026 source file
Marshfield Medical Center - River Region at Stevens Point Stevens Point · Stevens Point-Plover, WI MAGNESIUM ASSAY-TECH	$65.55	$69.00	Feb 20, 2026 source file
Marshfield Medical Center - Weston Weston · Wausau, WI MAGNESIUM ASSAY-TECH	$65.55	$69.00	Feb 20, 2026 source file
UnityPoint Health - Meriter Madison · Madison, WI ASSAY OF MAGNESIUM	$68.00	$85.00	Jan 28, 2026 source file
Essentia Health St Marys Hospital-Superior Superior · Duluth, MN-WI MAGNESIUM	$88.68	$120.00	Jan 1, 2026 source file
Marshfield Medical Center - Beaver Dam Beaver Dam · Beaver Dam, WI MAGNESIUM ASSAY-TECH	$104.50	$110.00	Feb 20, 2026 source file
AdventHealth Durand Durand · Durand, WI HC MAGNESIUM LEVEL	$181.79	$181.79	Apr 1, 2026 source file

By metro area

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

Metro area	Hospitals	Lowest	Median
Milwaukee-Waukesha, WI	17	$13.34	$50.00
Green Bay, WI	5	$19.45	$48.84
Oshkosh-Neenah, WI	5	$27.93	$34.22
Appleton, WI	4	$27.93	$34.22
Minneapolis-St. Paul-Bloomington, MN-WI	3	$12.71	$13.68
Stevens Point-Plover, WI	3	$53.30	$53.30
Eau Claire, WI	2	$53.30	$59.42
Fond du Lac, WI	2	$34.22	$42.11
Madison, WI	2	$53.30	$60.65
Racine-Mount Pleasant, WI	2	$50.00	$50.00
Sheboygan, WI	2	$48.84	$49.42
Wausau, WI	2	$53.30	$59.42
Wisconsin Rapids-Marshfield, WI	2	$51.30	$52.30
Antigo, WI	1	$53.30	$53.30
Berlin, WI	1	$34.22	$34.22
Brookfield, WI	1	$39.75	$39.75
Beaver Dam, WI	1	$104.50	$104.50
Durand, WI	1	$181.79	$181.79
Duluth, MN-WI	1	$88.68	$88.68
Eagle River, WI	1	$53.30	$53.30
East Amery, WI	1	$10.43	$10.43
Friendship, WI	1	$38.10	$38.10
Ladysmith, WI	1	$65.55	$65.55
La Crosse-Onalaska, WI-MN	1	$25.77	$25.77
Medford, WI	1	$53.30	$53.30
Merrill, WI	1	$53.30	$53.30
Minocqua, WI	1	$65.55	$65.55
Manitowoc, WI	1	$50.00	$50.00
Marinette, WI-MI	1	$50.00	$50.00
Neillsville, WI	1	$65.55	$65.55
New London, WI	1	$34.22	$34.22
Park Falls, WI	1	$65.55	$65.55
Platteville, WI	1	$32.96	$32.96
Rhinelander, WI	1	$53.30	$53.30
Rice Lake, WI	1	$65.55	$65.55
Shawano, WI	1	$34.22	$34.22
Tomahawk, WI	1	$53.30	$53.30
Waupaca, WI	1	$34.22	$34.22
Whitehall, WI	1	$34.87	$34.87
Wild Rose, WI	1	$34.22	$34.22
Woodruff, WI	1	$53.30	$53.30
Whitewater-Elkhorn, WI	1	$50.00	$50.00

What it is

A magnesium test measures the level of magnesium in the blood. Doctors order it for muscle cramps or weakness, an irregular heartbeat, low potassium or calcium that does not correct, and for people on diuretics, long-term acid-reducing drugs or with kidney disease.

What the price covers

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

Magnesium blood test in other states

Median cash price across the state's hospitals.