Magnesium test cost in New York, NY
In New York-Newark-Jersey City, NY-NJ, 84 hospitals list a cash price for magnesium blood test: from $5.08 to $383.00, with a median of $7.71. The lowest listed price is at Brookdale Hospital Medical Center and 2 other hospitals — $2.63 less than the median here. Across New York, the median is $24.73 at 113 hospitals.
- The median here, $7.71, is 81% below the US median of $41.60.
- That is 1.2× Medicare's 2026 national rate for the same service ($6.70).
- New York, NY has the lowest median of 2 metro areas in New York with at least 10 hospitals pricing this code.
- 17 of 84 hospitals list a cash price equal to their full list price, with no self-pay discount.
Cash prices at 84 facilities across 58 cities for code 83735, as an outpatient — the setting a self-pay patient normally buys. Collected Nov 11, 2026; the hospital files themselves were last updated between Apr 22, 2025 and Sep 28, 2026.
Lowest$5.08Brookdale Hospital Medical Center + 2 more
Median$7.71half of hospitals charge less
Highest$383.00in this market
Difference75.4×highest vs lowest
Where each hospital's price falls
Each dot is one hospital's cash price on a scale from the lowest to the highest in New York-Newark-Jersey City, NY-NJ.
median
Lowest $5.08Highest $632.85
Hospitals, cheapest first
| Hospital | Cash price | List price | Insurers pay | Off list |
|---|---|---|---|---|
| Brookdale Hospital Medical Center lowest Brooklyn, NY · (718) 240-5966 MAGNESIUM - URINE+2 more lines at this price File of Aug 1, 2026 · source file | $5.08 | $35.00 | $5.08–$11.43 | 85% |
| Kingsbrook Jewish Medical Center lowest Brooklyn, NY Q-URINE 24HR MAGNESIUM+2 more lines at this price File of Aug 1, 2026 · source file | $5.08 | $16.53 | $4.83–$12.06 | 69% |
| Interfaith Medical Center lowest Brooklyn, NY MAGNESIUM-SERUM+2 more lines at this price File of Aug 1, 2026 · source file | $5.08 | $35.00 | $5.08–$12.06 | 85% |
| Saint Marys Hospital Passaic, NJ · (973) 365-4300 Hc Assay Of Magnesium File of Sep 1, 2026 · source file | $6.00 | $45.00 | $4.02–$38.25 | 87% |
| Palisades Medical Center North Bergen, NJ · (201) 854-5000 MAGNESIUM 24-HOUR URINE WITHOUT CREATININE QST+12 more lines at this price File of Dec 31, 2025 · source file | $6.70 | $138.00 | $6.70–$30.70 | 95% |
| Southern Ocean Medical Center Manahawkin, NJ · (609) 597-6011 MAGNESIUM.+12 more lines at this price File of Dec 31, 2025 · source file | $6.70 | $138.00 | $6.70–$135.74 | 95% |
| Old Bridge Medical Center Old Bridge, NJ MAGNESIUM.+12 more lines at this price File of Dec 31, 2025 · source file | $6.70 | $138.00 | $18.35–$134.26 | 95% |
| Raritan Bay Medical Center Perth Amboy, NJ · (732) 324-5000 MAGNESIUM.+12 more lines at this price File of Dec 31, 2025 · source file | $6.70 | $138.00 | $18.35–$134.26 | 95% |
| Ocean Medical Center Brick, NJ · (732) 840-2200 MAGNESIUM.+25 more lines at this price File of Dec 31, 2025 · source file | $6.70 | $138.00 | $19.60–$134.30 | 95% |
| South Brooklyn Health Brooklyn, NY · (718) 616-4834 HC MAGNESIUM+2 more lines at this price File of Sep 5, 2026 · source file | $6.70 | $28.08 | $6.57–$102.17 | 76% |
| Bellevue Hospital Center New York, NY · (212) 561-4132 HC MAGNESIUM+2 more lines at this price File of Sep 5, 2026 · source file | $6.70 | $28.08 | $6.57–$97.34 | 76% |
| St Joseph's Hospital, Yonkers Yonkers, NY · (914) 378-7000 Assay of magnesium+4 more lines at this price File of Jul 13, 2026 · source file | $6.70 | — | $5.81–$280.24 | — |
| Jacobi Medical Center Bronx, NY · (718) 918-5000 HC MAGNESIUM+2 more lines at this price File of Sep 5, 2026 · source file | $6.70 | $28.08 | $1.00–$25.47 | 76% |
| Hackensack University Medical Center Hackensack, NJ · (551) 996-2000 MAGNESIUM.+12 more lines at this price File of Dec 31, 2025 · source file | $6.70 | $138.00 | $34.64–$138.00 | 95% |
| Kings County Hospital Center Brooklyn, NY · (718) 245-3901 HC MAGNESIUM+2 more lines at this price File of Sep 5, 2026 · source file | $6.70 | $28.08 | $1.00–$25.72 | 76% |
| Elmhurst Hospital Center Broadway Elmhurst, NY · (718) 334-1141 HC MAGNESIUM+2 more lines at this price File of Sep 5, 2026 · source file | $6.70 | $28.08 | $6.57–$55.28 | 76% |
| North Central Bronx Hospital Bronx, NY HC MAGNESIUM+2 more lines at this price File of Sep 5, 2026 · source file | $6.70 | $28.08 | $1.00–$25.47 | 76% |
| Queens Hospital Center Jamaica, NY · (718) 883-3000 HC MAGNESIUM+2 more lines at this price File of Sep 5, 2026 · source file | $6.70 | $28.08 | $6.57–$88.09 | 76% |
| Lincoln Medical & Mental Health Center Bronx, NY · (718) 579-5000 HC MAGNESIUM+2 more lines at this price File of Sep 5, 2026 · source file | $6.70 | $28.08 | $1.00–$60.30 | 76% |
| Riverview Medical Center Red Bank, NJ · (732) 741-2700 MAGNESIUM.+12 more lines at this price File of Dec 31, 2025 · source file | $6.70 | $138.00 | $19.46–$135.17 | 95% |
| Metropolitan Hospital Center New York, NY · (212) 423-6262 HC MAGNESIUM+2 more lines at this price File of Sep 5, 2026 · source file | $6.70 | $28.08 | $1.00–$25.72 | 76% |
| Harlem Hospital Center New York, NY · (212) 939-1000 HC MAGNESIUM+2 more lines at this price File of Sep 5, 2026 · source file | $6.70 | $28.08 | $6.57–$88.31 | 76% |
| Woodhull Medical & Mental Health Center Brooklyn, NY · (718) 963-8100 HC MAGNESIUM+2 more lines at this price File of Sep 5, 2026 · source file | $6.70 | $28.08 | $1.00–$25.72 | 76% |
| Bayshore Medical Center Holmdel, NJ · (732) 739-5900 MAGNESIUM.+12 more lines at this price File of Dec 31, 2025 · source file | $6.70 | $138.00 | $6.70–$134.30 | 95% |
| Jersey Shore University Medical Center Neptune City, NJ · (732) 775-5500 MAGNESIUM.+12 more lines at this price File of Dec 31, 2025 · source file | $6.70 | $138.00 | $22.91–$138.00 | 95% |
| JFK University Medical Center Edison, NJ · (732) 321-7000 MAGNESIUM.+25 more lines at this price File of Dec 31, 2025 · source file | $6.70 | $138.00 | $22.22–$130.55 | 95% |
| Robert Wood Johnson University Hospital Somerset Somerville, NJ · (908) 685-2200 HC Assay of Magnesium File of Mar 4, 2026 · source file | $7.37 | $121.00 | $3.15–$110.69 | 94% |
| Trinitas Regional Medical Center Elizabeth, NJ · (908) 994-5000 HC Assay of Magnesium File of Mar 4, 2026 · source file | $7.37 | $104.00 | $3.15–$66.32 | 93% |
| Monmouth Medical Center Long Branch, NJ · (732) 222-5200 HC Assay of Magnesium File of Mar 4, 2026 · source file | $7.37 | $104.00 | $3.15–$100.57 | 93% |
| Monmouth Medical Center Southern Campus Lakewood, NJ · (732) 363-1900 HC Assay of Magnesium File of Mar 3, 2026 · source file | $7.37 | $104.00 | $3.15–$100.99 | 93% |
| Newark Beth Israel Medical Center Newark, NJ · (973) 926-7000 HC Assay of Magnesium File of Mar 4, 2026 · source file | $7.37 | $104.00 | $3.15–$97.06 | 93% |
| Community Medical Center Toms River, NJ · (732) 557-8000 HC Assay of Magnesium File of Mar 4, 2026 · source file | $7.37 | $104.00 | $3.15–$95.14 | 93% |
| Jersey City Medical Center Jersey City, NJ · (201) 915-2000 HC Assay of Magnesium File of Mar 4, 2026 · source file | $7.37 | $104.00 | $3.15–$94.40 | 93% |
| Clara Maass Medical Center Belleville, NJ · (973) 450-2000 HC Assay of Magnesium File of Mar 4, 2026 · source file | $7.37 | $121.00 | $3.15–$115.50 | 94% |
| Cooperman Barnabas Medical Center Livingston, NJ · (973) 322-5000 HC Assay of Magnesium File of Mar 4, 2026 · source file | $7.37 | $104.00 | $3.15–$88.40 | 93% |
| Robert Wood Johnson University Hospital New Brunswick New Brunswick, NJ · (732) 828-3000 HC Assay of Magnesium File of Mar 4, 2026 · source file | $7.37 | $104.00 | $3.15–$86.52 | 93% |
| Robert Wood Johnson University Hospital Rahway Rahway, NJ · (732) 381-4200 HC Assay of Magnesium File of Mar 4, 2026 · source file | $7.37 | $121.00 | $3.15–$81.31 | 94% |
| University Hospital Newark, NJ · (973) 972-4300 ASSAY OF MAGNESIUM File of Aug 13, 2026 · source file | $7.71 | $133.17 | $5.36–$126.51 | 94% |
| Hackensack Meridian Mountainside Medical Center Montclair, NJ · (973) 429-6000 Magnesium level File of Feb 12, 2026 · source file | $7.71 | $114.00 | $6.70–$114.00 | 93% |
| Morristown Medical Center Morristown, NJ · (973) 971-5450 Magnesium Urine 24 Hr+3 more lines at this price File of Apr 1, 2026 · source file | $7.71 | $84.00 | — | 91% |
| Chilton Medical Center Pompton Plains, NJ · (973) 831-5000 Magnesium Stool+3 more lines at this price File of Apr 1, 2026 · source file | $7.71 | $97.00 | — | 92% |
| Newton Medical Center Newton, NJ · (973) 383-2121 Magnesium Urine 24 Hr+3 more lines at this price File of Apr 1, 2026 · source file | $7.71 | $274.00 | — | 97% |
| CentraState Medical Center Freehold Township, NJ · (732) 294-7012 Magnesium Urine 24 Hr+3 more lines at this price File of Apr 1, 2026 · source file | $7.71 | $60.00 | — | 87% |
| Overlook Medical Center Summit, NJ · (908) 522-2000 Magnesium Urine 24 Hr+3 more lines at this price File of Apr 1, 2026 · source file | $7.71 | $62.00 | — | 88% |
| NYU Langone – Tisch Hospital New York, NY · (212) 263-7300 HC ASSAY OF MAGNESIUM File of Jan 1, 2026 · source file | $8.04 | $62.00 | $5.08–$160.44 | 87% |
| NYU Langone Brooklyn, NY HC ASSAY OF MAGNESIUM File of Jan 1, 2026 · source file | $8.04 | $62.00 | $5.08–$160.44 | 87% |
| NYU Langone Mineola, NY HC ASSAY OF MAGNESIUM File of Jan 1, 2026 · source file | $8.04 | $62.00 | $5.08–$160.44 | 87% |
| NYU Langone Hospital - Suffolk Patchogue, NY · (631) 654-7100 HC ASSAY OF MAGNESIUM File of Jan 1, 2026 · source file | $8.04 | $62.00 | $5.08–$160.44 | 87% |
| NYU Langone – Orthopedic Hospital New York, NY HC ASSAY OF MAGNESIUM File of Jan 1, 2026 · source file | $8.04 | $62.00 | $5.08–$160.44 | 87% |
| Englewood Health Englewood, NJ · (201) 894-3000 Magnesium 83735 File of Feb 2, 2026 · source file | $8.50 | $85.00 | $6.65–$68.00 | 90% |
| The Valley Hospital Paramus, NJ · (201) 447-8000 ASSAY OF MAGNESIUM 6075134+1 more line at this price File of May 6, 2026 · source file | $9.60 | $16.00 | $5.36–$21.37 | 40% |
| Englewood Health Englewood, NJ · (201) 894-3000 Urine Magnesi (Random)83735 File of Feb 2, 2026 · source file | $10.00 | $100.00 | $7.82–$80.00 | 90% |
| Englewood Health Englewood, NJ · (201) 894-3000 Urine Magnesi(24hr)*X*83735 File of Feb 2, 2026 · source file | $11.80 | $118.00 | $9.23–$94.40 | 90% |
| Bronx-Lebanon Hospital Center - Concourse Division Bronx, NY · (212) 588-7000 MAGNESIUM SERUM File of Apr 17, 2026 · source file | $14.74 | $14.74 | — | — |
| BronxCare Hospital Center - Fulton Campus Bronx, NY · (212) 588-7000 MAGNESIUM SERUM File of May 5, 2026 · source file | $14.74 | $14.74 | — | — |
| Englewood Health Englewood, NJ · (201) 894-3000 Magnesium 24 Hr *X*83735 File of Feb 2, 2026 · source file | $14.90 | $149.00 | $11.65–$119.20 | 90% |
| Flushing Hospital Medical Center Flushing, NY · (718) 670-5000 ASSAY OF MAGNESIUM File of Mar 25, 2026 · source file | $18.00 | $18.00 | $4.50–$1,912.00 | — |
| Jamaica Hospital Medical Center Jamaica, NY · (718) 262-6000 ASSAY OF MAGNESIUM File of Mar 25, 2026 · source file | $18.00 | $18.00 | $4.50–$1,912.00 | — |
| Englewood Health Englewood, NJ · (201) 894-3000 Magnesium RBC 83735 File of Feb 2, 2026 · source file | $19.00 | $190.00 | $14.86–$152.00 | 90% |
| The Valley Hospital Paramus, NJ · (201) 447-8000 ASSAY OF MAGNESIUM 6070791 File of May 6, 2026 · source file | $19.20 | $32.00 | $5.36–$27.20 | 40% |
| Jamaica Hospital Medical Center Jamaica, NY · (718) 262-6000 MAGNESIUM LEVEL File of Mar 25, 2026 · source file | $20.00 | $20.00 | $4.50–$1,912.00 | — |
| Flushing Hospital Medical Center Flushing, NY · (718) 670-5000 MAGNESIUM LEVEL File of Mar 25, 2026 · source file | $20.00 | $20.00 | $4.50–$1,912.00 | — |
| Englewood Health Englewood, NJ · (201) 894-3000 Xpld-Urorisk-Mg 83735 File of Feb 2, 2026 · source file | $21.50 | $215.00 | $16.81–$172.00 | 90% |
| St. Francis Hospital Roslyn, NY HC MAGNESIUM RBC/SERUM+1 more line at this price File of Feb 19, 2026 · source file | $24.73 | $161.00 | $5.08–$161.00 | 85% |
| Chsli St Joseph Hospital Bethpage, NY · (516) 759-6000 HC MAGNESIUM URINE+1 more line at this price File of Feb 19, 2026 · source file | $24.73 | $110.00 | $5.08–$110.00 | 78% |
| Good Samaritan Hospital Medical Center West Islip, NY · (631) 376-3000 HC MAGNESIUM URINE+1 more line at this price File of Feb 19, 2026 · source file | $24.73 | $123.00 | $5.08–$136.00 | 80% |
| St. Catherine of Siena Medical Center Smithtown, NY · (631) 862-3000 HC MAGNESIUM URINE+1 more line at this price File of Feb 19, 2026 · source file | $24.73 | $110.00 | $5.08–$110.00 | 78% |
| Mercy Medical Center Rockville Centre, NY · (516) 705-2525 HC MAGNESIUM RBC/SERUM+1 more line at this price File of Feb 19, 2026 · source file | $24.73 | $110.00 | $5.08–$110.00 | 78% |
| Saint Peters University Hospital New Brunswick, NJ · (732) 745-8600 MAGNESIUM RBC (MGRBC) File of Nov 19, 2025 · source file | $27.00 | $31.00 | $4.00–$31.00 | 13% |
| The Valley Hospital Paramus, NJ · (201) 447-8000 MAGNESIUM RANDOM URINE+1 more line at this price File of May 6, 2026 · source file | $27.60 | $46.00 | $5.36–$39.10 | 40% |
| The Valley Hospital Paramus, NJ · (201) 447-8000 Magnesium File of May 6, 2026 · source file | $31.20 | $52.00 | $5.36–$44.20 | 40% |
| Children's Specialized Hospital Mountainside, NJ · (732) 258-7050 HC Assay of Magnesium File of Mar 4, 2026 · source file | $32.50 | $65.00 | $5.36–$63.70 | 50% |
| The Valley Hospital Paramus, NJ · (201) 447-8000 ASSAY OF MAGNESIUM 6070937 File of May 6, 2026 · source file | $36.00 | $60.00 | $5.36–$51.00 | 40% |
| Mount Sinai Queens Long Island, NY HC Magnesium Urine File of Apr 1, 2026 · source file | $45.00 | $50.00 | — | 10% |
| Mount Sinai Brooklyn Brooklyn, NY · (212) 420-2000 HC Magnesium Urine File of Apr 1, 2026 · source file | $45.00 | $50.00 | — | 10% |
| The Mount Sinai Hospital New York, NY · (212) 241-7981 HC Magnesium Urine File of Apr 1, 2026 · source file | $45.00 | $50.00 | — | 10% |
| Mount Sinai Morningside New York, NY HC Magnesium Urine File of Apr 1, 2026 · source file | $45.00 | $50.00 | — | 10% |
| St Johns Episcopal Hospital Far Rockaway, NY · (718) 869-7000 ASSAY OF MAGNESIUM File of Apr 7, 2026 · source file | $51.09 | $60.10 | $6.36–$15.68 | 15% |
| Mount Sinai Queens Long Island, NY HC Magnesium Fecal File of Apr 1, 2026 · source file | $54.00 | $60.00 | — | 10% |
| Mount Sinai Morningside New York, NY HC Magnesium Fecal File of Apr 1, 2026 · source file | $54.00 | $60.00 | — | 10% |
| Mount Sinai Brooklyn Brooklyn, NY · (212) 420-2000 HC Magnesium Fecal File of Apr 1, 2026 · source file | $54.00 | $60.00 | — | 10% |
| The Mount Sinai Hospital New York, NY · (212) 241-7981 HC Magnesium Fecal File of Apr 1, 2026 · source file | $54.00 | $60.00 | — | 10% |
| Englewood Health Englewood, NJ · (201) 894-3000 Xpld - Assay of Magnesium 83735 File of Feb 2, 2026 · source file | $58.70 | $587.00 | $45.90–$469.60 | 90% |
| Montefiore Mount Vernon Hospital Mount Vernon, NY · (914) 664-8000 HC ASSAY OF MAGNESIUM File of Sep 28, 2026 · source file | $59.15 | $91.00 | $3.81–$72.80 | 35% |
| Hudson Regional Hospital Secaucus, NJ · (201) 392-3200 Magnesium level File of Sep 23, 2026 · source file | $65.00 | $65.00 | $6.70–$122.66 | — |
| Mount Sinai Brooklyn Brooklyn, NY · (212) 420-2000 HC Magnesium File of Apr 1, 2026 · source file | $67.50 | $75.00 | — | 10% |
| Mount Sinai Queens Long Island, NY HC Magnesium File of Apr 1, 2026 · source file | $67.50 | $75.00 | — | 10% |
| The Mount Sinai Hospital New York, NY · (212) 241-7981 HC Magnesium File of Apr 1, 2026 · source file | $67.50 | $75.00 | — | 10% |
| Mount Sinai Morningside New York, NY HC Magnesium File of Apr 1, 2026 · source file | $67.50 | $75.00 | — | 10% |
| Maimonides Medical Center Brooklyn, NY · (718) 283-6000 URINE MAGNESIUM BAT+2 more lines at this price File of Apr 1, 2026 · source file | $70.00 | $70.00 | — | — |
| Mount Sinai Morningside New York, NY HC Assay of Magnesium File of Apr 1, 2026 · source file | $72.00 | $80.00 | — | 10% |
| Mount Sinai Queens Long Island, NY HC Assay of Magnesium File of Apr 1, 2026 · source file | $72.00 | $80.00 | — | 10% |
| Mount Sinai Brooklyn Brooklyn, NY · (212) 420-2000 HC Assay of Magnesium File of Apr 1, 2026 · source file | $72.00 | $80.00 | — | 10% |
| The Mount Sinai Hospital New York, NY · (212) 241-7981 HC Assay of Magnesium File of Apr 1, 2026 · source file | $72.00 | $80.00 | — | 10% |
| Westchester Medical Center Valhalla, NY · (914) 493-7000 ASSAY OF MAGNESIUM File of Jul 28, 2026 · source file | $81.00 | $81.00 | $4.69–$81.00 | — |
| Nassau University Medical Center East Meadow, NY · (516) 572-0123 Magnesium Rbc+1 more line at this price File of Oct 28, 2025 · source file | $82.84 | $118.34 | $2.74–$625.00 | 30% |
| Stony Brook Southampton Hospital Southampton, NY ASSAY OF MAGNESIUM File of Jun 17, 2026 · source file | $86.26 | $86.26 | $6.70–$8.71 | — |
| New York Community Hospital of Brooklyn Brooklyn, NY · (718) 692-5302 MAGNESIUM File of Apr 1, 2026 · source file | $96.12 | $96.12 | — | — |
| Good Samaritan Hospital Suffern, NY · (914) 368-5000 Magnesium, RBC (Ref Lab Only) File of Jun 29, 2026 · source file | $108.00 | $108.00 | $6.70–$316.13 | — |
| Stony Brook University Hospital Stony Brook, NY · (631) 444-4000 MAGNESIUM LEVEL File of Jun 10, 2026 · source file | $112.00 | $112.00 | $6.70–$4,255.00 | — |
| Stony Brook University Hospital Stony Brook, NY · (631) 444-4000 ASSAY OF MAGNESIUM File of Jun 10, 2026 · source file | $120.00 | $120.00 | $6.70–$4,255.00 | — |
| The Valley Hospital Paramus, NJ · (201) 447-8000 MG RBC (LC) File of May 6, 2026 · source file | $121.80 | $203.00 | $5.36–$172.55 | 40% |
| Morristown Medical Center Morristown, NJ · (973) 971-5450 Magnesium File of Apr 1, 2026 · source file | $131.91 | $1,814.00 | — | 93% |
| CentraState Medical Center Freehold Township, NJ · (732) 294-7012 Magnesium File of Apr 1, 2026 · source file | $132.99 | $1,083.00 | — | 88% |
| Chilton Medical Center Pompton Plains, NJ · (973) 831-5000 Magnesium File of Apr 1, 2026 · source file | $136.22 | $2,019.00 | — | 93% |
| Brooklyn Hospital Center at Downtown Campus Brooklyn, NY · (718) 250-8000 MAGNESIUM LEVEL File of Jul 27, 2026 · source file | $144.25 | $144.25 | $5.36–$13.40 | — |
| St Johns Riverside Hospital Park Care Pavillion Yonkers, NY · (914) 964-4444 ASSAY OF MAGNESIUM File of Mar 27, 2026 · source file | $145.35 | $171.00 | $6.37–$3,783.00 | 15% |
| Memorial Hospital for Cancer and Allied Diseases New York, NY HC Magnesium Blood File of Dec 1, 2025 · source file | $151.00 | $151.00 | $9.07–$135.90 | — |
| Memorial Hospital for Cancer and Allied Diseases Basking Ridge, NJ HC Magnesium Blood File of Dec 1, 2025 · source file | $151.00 | $151.00 | $26.80–$135.90 | — |
| Memorial Hospital for Cancer and Allied Diseases West Harrison, NY HC Magnesium Blood File of Dec 1, 2025 · source file | $151.00 | $151.00 | $9.07–$135.90 | — |
| Memorial Hospital for Cancer and Allied Diseases Middletown, NJ HC Magnesium Blood File of Dec 1, 2025 · source file | $151.00 | $151.00 | $26.80–$135.90 | — |
| Memorial Hospital for Cancer and Allied Diseases Basking Ridge, NJ HC Magnesium, Random, Urine File of Dec 1, 2025 · source file | $162.00 | $162.00 | $26.80–$145.80 | — |
| Memorial Hospital for Cancer and Allied Diseases New York, NY HC Magnesium, Random, Urine File of Dec 1, 2025 · source file | $162.00 | $162.00 | $9.07–$145.80 | — |
| Memorial Hospital for Cancer and Allied Diseases West Harrison, NY HC Magnesium, Random, Urine File of Dec 1, 2025 · source file | $162.00 | $162.00 | $9.07–$145.80 | — |
| Memorial Hospital for Cancer and Allied Diseases Middletown, NJ HC Magnesium, Random, Urine File of Dec 1, 2025 · source file | $162.00 | $162.00 | $26.80–$145.80 | — |
| Brooklyn Hospital Center at Downtown Campus Brooklyn, NY · (718) 250-8000 ASSAY OF MAGNESIUM File of Jul 27, 2026 · source file | $165.15 | $165.15 | $5.36–$13.40 | — |
| Newton Medical Center Newton, NJ · (973) 383-2121 Magnesium File of Apr 1, 2026 · source file | $230.52 | $3,123.00 | — | 93% |
| Saint Peters University Hospital New Brunswick, NJ · (732) 745-8600 MAGNESIUM LEVEL 24 HOUR U File of Nov 19, 2025 · source file | $237.00 | $241.00 | $4.00–$241.00 | 2% |
| Stony Brook Southampton Hospital Southampton, NY MAGNESIUM LEVEL File of Jun 17, 2026 · source file | $249.84 | $249.84 | $6.70–$8.71 | — |
| Saint Peters University Hospital New Brunswick, NJ · (732) 745-8600 MAGNESIUM LEVEL File of Nov 19, 2025 · source file | $254.00 | $261.00 | $4.00–$261.00 | 3% |
| New York Eye and Ear Infirmary of Mount Sinai New York, NY · (212) 979-4000 BLOOD-MAGNESIUM File of Apr 1, 2026 · source file | $273.24 | $303.60 | — | 10% |
| University Hospital of Brooklyn Brooklyn, NY · (718) 270-1000 83735 - ASSAY OF MAGNESIUM File of Apr 22, 2025 · source file | $383.00 | $383.00 | $17.00–$220.00 | — |
| Overlook Medical Center Summit, NJ · (908) 522-2000 Magnesium File of Apr 1, 2026 · source file | $632.85 | $3,608.00 | — | 82% |
Hospital The hospital that published the price, its city and the line exactly as written in its price file.
Cash price The hospital's own price for a patient paying without insurance (“discounted cash” in its price file). Hospitals must publish it under federal law, 45 CFR 180.50. Call to confirm it before booking. More
List price The hospital's full chargemaster price (“gross charge”) before any discount. Almost nobody pays it; the gap to the cash price shows what the self-pay discount is worth. More
Insurers pay The lowest and highest rates this hospital has agreed with insurance plans for the same item, from its price file. If the cash price is below what your plan pays and you have not met your deductible, paying cash can cost you less. More
Off list How much lower the cash price is than the list price.
No cash discount This line's cash price equals the hospital's full list price. Many hospitals still reduce bills for uninsured patients: ask the billing office for its self-pay discount in writing. More
Outpatient: lowest $5.08, median $7.71, highest $383.00 — a 75.4× difference within the same market.
As an inpatient, the same code is billed by 33 facilities here, median $8.50. Inpatient and outpatient prices are not comparable and are kept on separate pages: the inpatient charge covers admission, not the same purchase.
Cash or insurance?
At 61 of 70 hospitals that publish insurer rates for this code here, the cash price is below the highest rate a health plan has negotiated, and at 8 it is below every plan's rate. If you have insurance but have not met your deductible, you usually pay your plan's negotiated rate, which falls somewhere in the "Insurers pay" column. Paying cash can cost less, but a cash payment usually does not count toward your deductible. Ask the hospital for both numbers before you book.
What magnesium test is, what the price covers and why prices differ: Magnesium test explained.