{
  "study": {
    "slug": "hospital-charges-by-drg",
    "title": "What Hospitals Charge for the Same Procedure (2024)",
    "url": "https://fonteum.com/research/hospital-charges-by-drg",
    "methodology_version": "hospital-charges-by-drg/v1"
  },
  "data_as_of": "2026-06-12",
  "temporal_coverage": "2024",
  "sources": [
    {
      "name": "CMS Medicare Inpatient Hospitals — by Provider and Service, data year 2024",
      "publisher": "U.S. Centers for Medicare & Medicaid Services",
      "url": "https://data.cms.gov/provider-summary-by-type-of-service/medicare-inpatient-hospitals",
      "release_date": "2026-06-11",
      "retrieved_at": "2026-06-12",
      "license": "U.S. Government Works (17 U.S.C. §105)"
    }
  ],
  "headline": {
    "data_year": 2024,
    "hospital_by_drg_rows": 145879,
    "hospitals": 2906,
    "ms_drgs": 540,
    "discharges": 4952481,
    "mean_covered_charge_usd": 92408,
    "mean_total_payment_usd": 18360,
    "mean_medicare_payment_usd": 15166,
    "charge_to_payment_ratio": 5.03,
    "showcase_drg": "470"
  },
  "sections": [
    {
      "id": "by_drg",
      "label": "Featured MS-DRGs — charge distribution across hospitals",
      "columns": [
        "ms_drg",
        "label",
        "cms_description",
        "hospitals",
        "discharges",
        "min_charge_usd",
        "p10_charge_usd",
        "median_charge_usd",
        "p90_charge_usd",
        "max_charge_usd",
        "mean_charge_usd",
        "mean_payment_usd",
        "max_min_ratio",
        "p90_p10_ratio",
        "highest_state",
        "highest_state_mean_charge_usd",
        "lowest_state",
        "lowest_state_mean_charge_usd",
        "state_ratio"
      ],
      "rows": [
        {
          "ms_drg": "871",
          "label": "Sepsis (severe, with MCC)",
          "cms_description": "SEPTICEMIA OR SEVERE SEPSIS WITHOUT MV >96 HOURS WITH MCC",
          "hospitals": 2661,
          "discharges": 577119,
          "min_charge_usd": 10088,
          "p10_charge_usd": 32161,
          "median_charge_usd": 65249,
          "p90_charge_usd": 140999,
          "max_charge_usd": 591962,
          "mean_charge_usd": 90381,
          "mean_payment_usd": 18230,
          "max_min_ratio": 58.7,
          "p90_p10_ratio": 4.4,
          "highest_state": "NV",
          "highest_state_mean_charge_usd": 185672,
          "lowest_state": "MD",
          "lowest_state_mean_charge_usd": 26919,
          "state_ratio": 6.9
        },
        {
          "ms_drg": "291",
          "label": "Heart failure & shock (with MCC)",
          "cms_description": "HEART FAILURE AND SHOCK WITH MCC",
          "hospitals": 2587,
          "discharges": 304694,
          "min_charge_usd": 8827,
          "p10_charge_usd": 22190,
          "median_charge_usd": 43409,
          "p90_charge_usd": 96115,
          "max_charge_usd": 437712,
          "mean_charge_usd": 56495,
          "mean_payment_usd": 12050,
          "max_min_ratio": 49.6,
          "p90_p10_ratio": 4.3,
          "highest_state": "NV",
          "highest_state_mean_charge_usd": 102739,
          "lowest_state": "MD",
          "lowest_state_mean_charge_usd": 18459,
          "state_ratio": 5.6
        },
        {
          "ms_drg": "193",
          "label": "Pneumonia & pleurisy (with MCC)",
          "cms_description": "SIMPLE PNEUMONIA AND PLEURISY WITH MCC",
          "hospitals": 2442,
          "discharges": 136649,
          "min_charge_usd": 9396,
          "p10_charge_usd": 24559,
          "median_charge_usd": 46587,
          "p90_charge_usd": 101466,
          "max_charge_usd": 375925,
          "mean_charge_usd": 60101,
          "mean_payment_usd": 12020,
          "max_min_ratio": 40,
          "p90_p10_ratio": 4.1,
          "highest_state": "NV",
          "highest_state_mean_charge_usd": 110500,
          "lowest_state": "MD",
          "lowest_state_mean_charge_usd": 17060,
          "state_ratio": 6.5
        },
        {
          "ms_drg": "280",
          "label": "Heart attack — survived (with MCC)",
          "cms_description": "ACUTE MYOCARDIAL INFARCTION, DISCHARGED ALIVE WITH MCC",
          "hospitals": 1825,
          "discharges": 83841,
          "min_charge_usd": 11208,
          "p10_charge_usd": 32825,
          "median_charge_usd": 61366,
          "p90_charge_usd": 128249,
          "max_charge_usd": 448234,
          "mean_charge_usd": 76887,
          "mean_payment_usd": 14805,
          "max_min_ratio": 40,
          "p90_p10_ratio": 3.9,
          "highest_state": "NV",
          "highest_state_mean_charge_usd": 135319,
          "lowest_state": "MD",
          "lowest_state_mean_charge_usd": 24009,
          "state_ratio": 5.6
        },
        {
          "ms_drg": "689",
          "label": "Kidney / urinary-tract infection (with MCC)",
          "cms_description": "KIDNEY AND URINARY TRACT INFECTIONS WITH MCC",
          "hospitals": 1945,
          "discharges": 79740,
          "min_charge_usd": 8670,
          "p10_charge_usd": 22594,
          "median_charge_usd": 40751,
          "p90_charge_usd": 89143,
          "max_charge_usd": 380378,
          "mean_charge_usd": 52052,
          "mean_payment_usd": 10698,
          "max_min_ratio": 43.9,
          "p90_p10_ratio": 3.9,
          "highest_state": "NV",
          "highest_state_mean_charge_usd": 103464,
          "lowest_state": "MD",
          "lowest_state_mean_charge_usd": 16746,
          "state_ratio": 6.2
        },
        {
          "ms_drg": "065",
          "label": "Stroke (incl. clot-buster tPA)",
          "cms_description": "INTRACRANIAL HEMORRHAGE OR CEREBRAL INFARCTION WITH CC OR TPA IN 24 HOURS",
          "hospitals": 1727,
          "discharges": 68157,
          "min_charge_usd": 10682,
          "p10_charge_usd": 25540,
          "median_charge_usd": 45544,
          "p90_charge_usd": 100197,
          "max_charge_usd": 363815,
          "mean_charge_usd": 56315,
          "mean_payment_usd": 9911,
          "max_min_ratio": 34.1,
          "p90_p10_ratio": 3.9,
          "highest_state": "NV",
          "highest_state_mean_charge_usd": 98453,
          "lowest_state": "MD",
          "lowest_state_mean_charge_usd": 15480,
          "state_ratio": 6.4
        },
        {
          "ms_drg": "470",
          "label": "Major hip / knee joint replacement",
          "cms_description": "MAJOR HIP AND KNEE JOINT REPLACEMENT OR REATTACHMENT OF LOWER EXTREMITY WITHOUT MCC",
          "hospitals": 1212,
          "discharges": 59121,
          "min_charge_usd": 19194,
          "p10_charge_usd": 42710,
          "median_charge_usd": 79947,
          "p90_charge_usd": 167283,
          "max_charge_usd": 383606,
          "mean_charge_usd": 92976,
          "mean_payment_usd": 17318,
          "max_min_ratio": 20,
          "p90_p10_ratio": 3.9,
          "highest_state": "NV",
          "highest_state_mean_charge_usd": 187520,
          "lowest_state": "MD",
          "lowest_state_mean_charge_usd": 27939,
          "state_ratio": 6.7
        },
        {
          "ms_drg": "190",
          "label": "COPD (with MCC)",
          "cms_description": "CHRONIC OBSTRUCTIVE PULMONARY DISEASE WITH MCC",
          "hospitals": 1595,
          "discharges": 49661,
          "min_charge_usd": 11158,
          "p10_charge_usd": 22754,
          "median_charge_usd": 41850,
          "p90_charge_usd": 86174,
          "max_charge_usd": 314888,
          "mean_charge_usd": 50958,
          "mean_payment_usd": 10575,
          "max_min_ratio": 28.2,
          "p90_p10_ratio": 3.8,
          "highest_state": "CA",
          "highest_state_mean_charge_usd": 94847,
          "lowest_state": "MD",
          "lowest_state_mean_charge_usd": 16718,
          "state_ratio": 5.7
        }
      ]
    },
    {
      "id": "showcase_by_state",
      "label": "Mean covered charge by state for MS-DRG 470 (states with 5+ reporting hospitals)",
      "columns": [
        "state",
        "hospitals",
        "mean_charge_usd"
      ],
      "rows": [
        {
          "state": "NV",
          "hospitals": 9,
          "mean_charge_usd": 187520
        },
        {
          "state": "NM",
          "hospitals": 6,
          "mean_charge_usd": 162040
        },
        {
          "state": "CO",
          "hospitals": 17,
          "mean_charge_usd": 151836
        },
        {
          "state": "FL",
          "hospitals": 88,
          "mean_charge_usd": 141350
        },
        {
          "state": "CA",
          "hospitals": 119,
          "mean_charge_usd": 139092
        },
        {
          "state": "TX",
          "hospitals": 77,
          "mean_charge_usd": 112676
        },
        {
          "state": "AZ",
          "hospitals": 29,
          "mean_charge_usd": 111317
        },
        {
          "state": "NY",
          "hospitals": 56,
          "mean_charge_usd": 109029
        },
        {
          "state": "VA",
          "hospitals": 34,
          "mean_charge_usd": 108341
        },
        {
          "state": "AL",
          "hospitals": 24,
          "mean_charge_usd": 103212
        },
        {
          "state": "GA",
          "hospitals": 27,
          "mean_charge_usd": 96366
        },
        {
          "state": "LA",
          "hospitals": 10,
          "mean_charge_usd": 95335
        },
        {
          "state": "KY",
          "hospitals": 14,
          "mean_charge_usd": 94698
        },
        {
          "state": "MS",
          "hospitals": 14,
          "mean_charge_usd": 94224
        },
        {
          "state": "SC",
          "hospitals": 19,
          "mean_charge_usd": 92947
        },
        {
          "state": "WA",
          "hospitals": 26,
          "mean_charge_usd": 91317
        },
        {
          "state": "NJ",
          "hospitals": 26,
          "mean_charge_usd": 91075
        },
        {
          "state": "IN",
          "hospitals": 34,
          "mean_charge_usd": 86276
        },
        {
          "state": "TN",
          "hospitals": 29,
          "mean_charge_usd": 81997
        },
        {
          "state": "IL",
          "hospitals": 45,
          "mean_charge_usd": 77882
        },
        {
          "state": "ID",
          "hospitals": 7,
          "mean_charge_usd": 77034
        },
        {
          "state": "PA",
          "hospitals": 64,
          "mean_charge_usd": 76683
        },
        {
          "state": "OK",
          "hospitals": 26,
          "mean_charge_usd": 73994
        },
        {
          "state": "NH",
          "hospitals": 8,
          "mean_charge_usd": 71785
        },
        {
          "state": "NC",
          "hospitals": 40,
          "mean_charge_usd": 70787
        },
        {
          "state": "OH",
          "hospitals": 42,
          "mean_charge_usd": 70129
        },
        {
          "state": "WI",
          "hospitals": 20,
          "mean_charge_usd": 68802
        },
        {
          "state": "UT",
          "hospitals": 14,
          "mean_charge_usd": 68166
        },
        {
          "state": "OR",
          "hospitals": 13,
          "mean_charge_usd": 66864
        },
        {
          "state": "WV",
          "hospitals": 10,
          "mean_charge_usd": 65462
        },
        {
          "state": "WY",
          "hospitals": 5,
          "mean_charge_usd": 65123
        },
        {
          "state": "MO",
          "hospitals": 32,
          "mean_charge_usd": 64921
        },
        {
          "state": "NE",
          "hospitals": 11,
          "mean_charge_usd": 64039
        },
        {
          "state": "CT",
          "hospitals": 12,
          "mean_charge_usd": 63224
        },
        {
          "state": "MI",
          "hospitals": 37,
          "mean_charge_usd": 62892
        },
        {
          "state": "AR",
          "hospitals": 10,
          "mean_charge_usd": 60567
        },
        {
          "state": "KS",
          "hospitals": 21,
          "mean_charge_usd": 58017
        },
        {
          "state": "IA",
          "hospitals": 15,
          "mean_charge_usd": 57837
        },
        {
          "state": "MT",
          "hospitals": 6,
          "mean_charge_usd": 56937
        },
        {
          "state": "MN",
          "hospitals": 20,
          "mean_charge_usd": 54556
        },
        {
          "state": "SD",
          "hospitals": 9,
          "mean_charge_usd": 52111
        },
        {
          "state": "MA",
          "hospitals": 39,
          "mean_charge_usd": 43430
        },
        {
          "state": "MD",
          "hospitals": 25,
          "mean_charge_usd": 27939
        }
      ]
    },
    {
      "id": "showcase_hospital_examples",
      "label": "Highest- and lowest-charging named hospitals for MS-DRG 470",
      "columns": [
        "band",
        "hospital",
        "city",
        "state",
        "discharges",
        "avg_covered_charge_usd",
        "avg_total_payment_usd"
      ],
      "rows": [
        {
          "band": "highest",
          "hospital": "MEDICAL CITY PLANO",
          "city": "PLANO",
          "state": "TX",
          "discharges": 67,
          "avg_covered_charge_usd": 341612,
          "avg_total_payment_usd": 16916
        },
        {
          "band": "highest",
          "hospital": "GOOD SAMARITAN HOSPITAL",
          "city": "SAN JOSE",
          "state": "CA",
          "discharges": 52,
          "avg_covered_charge_usd": 327882,
          "avg_total_payment_usd": 20833
        },
        {
          "band": "highest",
          "hospital": "MEDICAL CITY MCKINNEY",
          "city": "MCKINNEY",
          "state": "TX",
          "discharges": 78,
          "avg_covered_charge_usd": 314538,
          "avg_total_payment_usd": 16842
        },
        {
          "band": "highest",
          "hospital": "CJW MEDICAL CENTER",
          "city": "RICHMOND",
          "state": "VA",
          "discharges": 108,
          "avg_covered_charge_usd": 312023,
          "avg_total_payment_usd": 13531
        },
        {
          "band": "highest",
          "hospital": "CARONDELET ST. JOSEPH HOSPITAL",
          "city": "TUCSON",
          "state": "AZ",
          "discharges": 34,
          "avg_covered_charge_usd": 308825,
          "avg_total_payment_usd": 14912
        },
        {
          "band": "lowest",
          "hospital": "ST. JOSEPH MEDICAL CENTER",
          "city": "TOWSON",
          "state": "MD",
          "discharges": 113,
          "avg_covered_charge_usd": 20699,
          "avg_total_payment_usd": 18420
        },
        {
          "band": "lowest",
          "hospital": "ANNE ARUNDEL MEDICAL CENTER INC.",
          "city": "ANNAPOLIS",
          "state": "MD",
          "discharges": 140,
          "avg_covered_charge_usd": 21430,
          "avg_total_payment_usd": 19777
        },
        {
          "band": "lowest",
          "hospital": "BEVERLY HOSPITAL",
          "city": "BEVERLY",
          "state": "MA",
          "discharges": 195,
          "avg_covered_charge_usd": 22194,
          "avg_total_payment_usd": 16152
        },
        {
          "band": "lowest",
          "hospital": "SUBURBAN HOSPITAL",
          "city": "BETHESDA",
          "state": "MD",
          "discharges": 65,
          "avg_covered_charge_usd": 22938,
          "avg_total_payment_usd": 20521
        },
        {
          "band": "lowest",
          "hospital": "ANNA JAQUES HOSPITAL",
          "city": "NEWBURYPORT",
          "state": "MA",
          "discharges": 80,
          "avg_covered_charge_usd": 24248,
          "avg_total_payment_usd": 15691
        }
      ]
    }
  ],
  "limitations": [
    "Charges are not prices. A covered charge is a hospital's list price, not what Medicare, an insurer, or a patient pays; Medicare reimburses a fixed DRG rate.",
    "Correlational, not causal. The study describes how charges differ across hospitals and states; it does not explain why, and charge levels are not a measure of care quality, efficiency, or patient outcomes.",
    "Medicare fee-for-service only, one year. The file covers traditional Medicare Part A inpatient stays for 2024 and excludes Medicare Advantage, Medicaid, and commercial payers.",
    "Hospital-level averages, with suppression. CMS publishes a per-hospital average per DRG, not individual bills, and suppresses hospital-DRG cells with fewer than 11 discharges, so very low-volume combinations are absent and within-hospital variation is hidden.",
    "A DRG is a category, not a single operation. Case mix within a DRG differs across hospitals, which explains part — but far from all — of the charge variation.",
    "State coverage. Hospitals join to a state via CCN; a handful of facilities without a directory match are excluded from the state-level tables only."
  ],
  "reproducible_sql": "-- Headline: charges vs payments, discharge-weighted across the whole file\nSELECT\n  count(*)                                                         AS rows,\n  count(distinct ccn)                                             AS hospitals,\n  count(distinct ms_drg_code)                                     AS drgs,\n  sum(total_discharges)                                           AS discharges,\n  round(sum(avg_covered_charges * total_discharges)\n        / sum(total_discharges))                                  AS mean_covered_charge,\n  round(sum(avg_total_payments  * total_discharges)\n        / sum(total_discharges))                                  AS mean_total_payment,\n  round((sum(avg_covered_charges * total_discharges)\n        / sum(total_discharges))\n      / (sum(avg_total_payments  * total_discharges)\n        / sum(total_discharges)), 2)                              AS charge_to_payment_ratio\nFROM inpatient_utilization_summary;\n\n-- Cross-hospital charge distribution for one DRG (here a joint replacement)\nSELECT\n  min(avg_covered_charges)                                              AS min_charge,\n  percentile_cont(0.10) WITHIN GROUP (ORDER BY avg_covered_charges)     AS p10,\n  percentile_cont(0.50) WITHIN GROUP (ORDER BY avg_covered_charges)     AS median,\n  percentile_cont(0.90) WITHIN GROUP (ORDER BY avg_covered_charges)     AS p90,\n  max(avg_covered_charges)                                             AS max_charge\nFROM inpatient_utilization_summary\nWHERE ms_drg_code = '470';\n\n-- Charge by state for one DRG (states with >= 5 reporting hospitals)\nSELECT d.state,\n  count(*)                                                            AS hospitals,\n  round(sum(i.avg_covered_charges * i.total_discharges)\n        / sum(i.total_discharges))                                    AS mean_charge\nFROM inpatient_utilization_summary i\nJOIN hospital_directory d ON d.ccn = i.ccn\nWHERE i.ms_drg_code = '470'\nGROUP BY d.state\nHAVING count(*) >= 5\nORDER BY mean_charge DESC;",
  "license": "U.S. Government Works (17 U.S.C. §105)",
  "generated_by": "Fonteum — https://fonteum.com",
  "notes": "Aggregate, source-traced figures frozen to the as-of date above. Re-derive by running the published query against the named source file; no per-person records are included."
}
