Lab tests CPT 83735 New York Outpatient

Magnesium test cost in New York

In New York, 64 hospitals publish a cash price for magnesium blood test: from $4.40 to $273.24, with a median of $27.88. The lowest price is at Westfield Memorial Hospital (Westfield). The highest price is 62.1× 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$4.40Westfield Memorial Hospital

Median$27.88half pay less

Highest$273.24in New York

Lowest saves$23.48vs the median

Hospitals in New York, cheapest first

Hospital	Cash price	List price	File date
Westfield Memorial Hospital lowest Westfield · Jamestown-Dunkirk, NY CHG ASSAY OF MAGNESIUM	$4.40	$20.00	Apr 14, 2026 source file
Mercy Hospital of Buffalo Buffalo · Buffalo-Cheektowaga, NY HC Assay of Magnesium - Magnesium	$5.03	$16.00	— source file
Mount St. Mary's Hospital Lewiston · Buffalo-Cheektowaga, NY HC Assay of Magnesium - Magnesium	$5.03	$16.00	— source file
Sisters of Charity Hospital Buffalo · Buffalo-Cheektowaga, NY HC Assay of Magnesium - Magnesium	$5.03	$16.00	— source file
Cayuga Medical Center at Ithaca Ithaca · Ithaca, NY HC Assay of Magnesium - Magnesium 24hr Urine	$5.67	$28.35	Mar 27, 2026 source file
Bellevue Hospital Center New York · New York-Newark-Jersey City, NY-NJ HC MAGNESIUM	$6.70	$28.08	Sep 5, 2026 source file
Jacobi Medical Center Bronx · New York-Newark-Jersey City, NY-NJ HC MAGNESIUM RBC	$6.70	$28.08	Sep 5, 2026 source file
Kings County Hospital Center Brooklyn · New York-Newark-Jersey City, NY-NJ CHG ASSAY OF MAGNESIUM	$6.70	$17.00	Sep 5, 2026 source file
Metropolitan Hospital Center New York · New York-Newark-Jersey City, NY-NJ HC MAGNESIUM URINE RANDOM	$6.70	$28.08	Sep 5, 2026 source file
New York City Health and Hospitals Broadway Elmhurst · New York-Newark-Jersey City, NY-NJ HC MAGNESIUM URINE RANDOM	$6.70	$28.08	Sep 5, 2026 source file
New York City Health and Hospitals Jamaica · New York-Newark-Jersey City, NY-NJ HC MAGNESIUM URINE RANDOM	$6.70	$28.08	Sep 5, 2026 source file
NYU Langone Mineola · New York-Newark-Jersey City, NY-NJ HC ASSAY OF MAGNESIUM	$8.04	$62.00	Jan 1, 2026 source file
NYU Langone Brooklyn · New York-Newark-Jersey City, NY-NJ HC ASSAY OF MAGNESIUM	$8.04	$62.00	Jan 1, 2026 source file
NYU Langone New York · New York-Newark-Jersey City, NY-NJ HC ASSAY OF MAGNESIUM	$8.04	$62.00	Jan 1, 2026 source file
NYU Langone Hospital - Suffolk Patchogue · New York-Newark-Jersey City, NY-NJ HC ASSAY OF MAGNESIUM	$8.04	$62.00	Jan 1, 2026 source file
Samaritan Hospital Troy · Albany-Schenectady-Troy, NY HC Quest 442 Magnesium 24 Hour Urine	$13.00	$20.00	Mar 31, 2026 source file
Niagara Falls Memorial Medical Center Niagara Falls · Buffalo-Cheektowaga, NY ASSAY OF MAGNESIUM	$15.26	$21.80	— source file
UPMC Chautauqua Jamestown · Jamestown-Dunkirk, NY MAGNESIUM P5817	$16.20	$27.00	— source file
Flushing Hospital Medical Center Flushing · New York-Newark-Jersey City, NY-NJ ASSAY OF MAGNESIUM	$18.00	$18.00	— source file
Jamaica Hospital Medical Center Jamaica · New York-Newark-Jersey City, NY-NJ ASSAY OF MAGNESIUM	$18.00	$18.00	— source file
F.F. Thompson Hospital Canandaigua · Rochester, NY HB Assay of Magnesium	$20.00	—	— source file
Schuyler Hospital Montour Falls · Montour Falls, NY HC Assay of Magnesium - Magnesium RBC	$21.00	$105.00	Mar 27, 2026 source file
Nicholas H. Noyes Memorial Hospital Dansville · Rochester, NY HB Assay of Magnesium	$22.00	—	— source file
St Josephs Hospital Health Center Syracuse · Syracuse, NY HC External Magnesium RBC	$22.10	$34.00	Mar 31, 2026 source file
Memorial Hosp of Wm F & Gertrude F Jones A/K/A Jones Memorial Hosp Wellsville · Wellsville, NY HB Assay of Magnesium	$23.00	—	— source file
Clifton Springs Hospital And Clinic Clifton Springs · Rochester, NY HC MAGNESIUM	$24.24	$37.29	Apr 1, 2026 source file
Newark-Wayne Community Hospital Newark · Rochester, NY HC MAGNESIUM	$24.24	$37.29	Apr 1, 2026 source file
Rochester General Hospital Rochester · Rochester, NY HC MAGNESIUM	$24.24	$37.29	Apr 1, 2026 source file
United Memorial Medical Center Batavia · Batavia, NY HC MAGNESIUM	$24.24	$37.29	Apr 1, 2026 source file
Arnot Ogden Medical Center Elmira · Elmira, NY HC Assay of Magnesium - Magnesium	$27.23	$136.15	Mar 27, 2026 source file
Ira Davenport Memorial Hospital Bath · Corning, NY HC Assay of Magnesium - Magnesium	$27.23	$136.15	Mar 27, 2026 source file
St. Joseph's Hospital Campus Elmira · Elmira, NY HC Assay of Magnesium - Magnesium Urine	$27.23	$136.15	Mar 27, 2026 source file
Erie County Medical Center Buffalo · Buffalo-Cheektowaga, NY URINE MAGNESIUM	$28.53	$60.67	Aug 25, 2026 source file
The Unity Hospital of Rochester Rochester · Rochester, NY HC MAGNESIUM	$29.83	$37.29	Apr 1, 2026 source file
Alice Hyde Medical Center Malone · Malone, NY HC - SUPERSATURATION, U MAYO 83735	$30.00	$30.00	Apr 28, 2026 source file
Highland Hospital Rochester · Rochester, NY HB Assay of Magnesium	$33.15	—	— source file
Strong Memorial Hospital Rochester · Rochester, NY HB Assay of Magnesium	$33.15	—	— source file
Guthrie Cortland Medical Center Cortland · Cortland, NY Magnesium	$38.40	$48.00	— source file
St. James Hospital Hornell · Corning, NY HB Assay of Magnesium	$42.00	—	— source file
Mount Sinai Behavioral Health Center New York · New York-Newark-Jersey City, NY-NJ HC Magnesium Urine	$45.00	$50.00	Apr 1, 2026 source file
Mount Sinai Brooklyn Brooklyn · New York-Newark-Jersey City, NY-NJ HC Magnesium Urine	$45.00	$50.00	Apr 1, 2026 source file
Mount Sinai Morningside New York · New York-Newark-Jersey City, NY-NJ HC Magnesium Urine	$45.00	$50.00	Apr 1, 2026 source file
Mount Sinai Queens Long Island · New York-Newark-Jersey City, NY-NJ HC Magnesium Urine	$45.00	$50.00	Apr 1, 2026 source file
The Mount Sinai Hospital New York · New York-Newark-Jersey City, NY-NJ HC Magnesium Urine	$45.00	$50.00	Apr 1, 2026 source file
Elizabethtown Community Hospital Elizabethtown · Elizabethtown, NY HC - SUPERSATURATION, U MAYO 83735	$46.00	$46.00	Apr 28, 2026 source file
Canton-Potsdam Hospital Potsdam · Massena-Ogdensburg, NY HC MAGNESIUM	$59.96	$92.25	Apr 1, 2026 source file
St Johns Episcopal Hospital Far Rockaway · New York-Newark-Jersey City, NY-NJ ASSAY OF MAGNESIUM	$60.10	$60.10	— source file
Crouse Hospital Syracuse · Syracuse, NY 83735 ASSAY OF MAGNESIUM_02	$62.00	$62.00	— source file
Slhs Massena Massena · Massena-Ogdensburg, NY HC MAGNESIUM	$66.67	$102.57	Apr 1, 2026 source file
Maimonides Medical Center Brooklyn · New York-Newark-Jersey City, NY-NJ URINE MAGNESIUM	$70.00	$70.00	Apr 1, 2026 source file
St Peters Hospital Albany · Albany-Schenectady-Troy, NY HC Magnesium 24 Hour Urine	$74.75	$115.00	Mar 31, 2026 source file
Sunnyview Rehab Hospital Schenectady · Albany-Schenectady-Troy, NY HC Quest Magnesium RBC	$74.75	$115.00	Mar 31, 2026 source file
Roswell Park Cancer Institute Buffalo · Buffalo-Cheektowaga, NY Magnesium	$74.93	$74.93	Apr 1, 2026 source file
Champlain Valley Physicians Hospital Medical Center Plattsburgh · Plattsburgh, NY HC - MAGNESIUM URINE	$77.00	$77.00	Apr 28, 2026 source file
Nassau University Medical Center East Meadow · New York-Newark-Jersey City, NY-NJ Magnesium Rbc	$82.84	$118.34	Oct 28, 2025 source file
Stony Brook Southampton Hospital Southampton · New York-Newark-Jersey City, NY-NJ ASSAY OF MAGNESIUM	$86.26	$86.26	— source file
Corning Hospital Corning · Corning, NY Magnesium, RBC	$92.15	$115.19	— source file
Gouverneur Hospital Gouverneur · Massena-Ogdensburg, NY HC MAGNESIUM	$108.80	$167.38	— source file
Stony Brook University Hospital Stony Brook · New York-Newark-Jersey City, NY-NJ MAGNESIUM LEVEL	$112.00	$112.00	— source file
Brooklyn Hospital Center at Downtown Campus Brooklyn · New York-Newark-Jersey City, NY-NJ MAGNESIUM LEVEL	$144.25	$144.25	— source file
St Johns Riverside Hospital Park Care Pavillion Yonkers · New York-Newark-Jersey City, NY-NJ ASSAY OF MAGNESIUM	$145.35	$171.00	— source file
Memorial Hospital for Cancer and Allied Diseases New York · New York-Newark-Jersey City, NY-NJ HC Magnesium Blood	$151.00	$151.00	Dec 1, 2025 source file
Memorial Hospital for Cancer and Allied Diseases West Harrison · New York-Newark-Jersey City, NY-NJ HC Magnesium Blood	$151.00	$151.00	Dec 1, 2025 source file
New York Eye and Ear Infirmary of Mount Sinai New York · New York-Newark-Jersey City, NY-NJ BLOOD-MAGNESIUM	$273.24	$303.60	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
New York-Newark-Jersey City, NY-NJ	27	$6.70	$45.00
Rochester, NY	8	$20.00	$24.24
Buffalo-Cheektowaga, NY	6	$5.03	$10.14
Albany-Schenectady-Troy, NY	3	$13.00	$74.75
Corning, NY	3	$27.23	$42.00
Massena-Ogdensburg, NY	3	$59.96	$66.67
Elmira, NY	2	$27.23	$27.23
Jamestown-Dunkirk, NY	2	$4.40	$10.30
Syracuse, NY	2	$22.10	$42.05
Batavia, NY	1	$24.24	$24.24
Cortland, NY	1	$38.40	$38.40
Elizabethtown, NY	1	$46.00	$46.00
Ithaca, NY	1	$5.67	$5.67
Malone, NY	1	$30.00	$30.00
Montour Falls, NY	1	$21.00	$21.00
Plattsburgh, NY	1	$77.00	$77.00
Wellsville, NY	1	$23.00	$23.00

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.