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UNIVERSITY OF MICHIGAN HEALTH SYSTEM

ANN ARBOR, MI 48109 · Acute Care Hospitals

207 procedures with CMS pricing data · Source: CMS IPPS Provider Summary, FY2024

By BillRazor Research · Last updated March 26, 2026 · Methodology

Procedures Analyzed

207

With CMS pricing data

Avg Charge-to-Medicare Ratio

4.9x

Chargemaster ÷ Medicare

CMS Quality Rating

Patient experience & outcomes

Hospital Type

Acute Care Hospitals

Voluntary non-profit - Private

Above 90th Percentile

0%

Compared to MI hospitals

Understanding Your Costs

When you receive a bill from UNIVERSITY OF MICHIGAN HEALTH SYSTEM, you are typically seeing the hospital's “chargemaster” rate — its published list price for each service. According to CMS data, UNIVERSITY OF MICHIGAN HEALTH SYSTEM lists chargemaster rates that average 4.9x the corresponding Medicare reimbursement amount across 207 procedures with publicly available pricing data (Source: CMS IPPS Provider Summary, FY2024).

The median hospital in MI has a chargemaster-to-Medicare ratio of 3.9x, with ratios across the state ranging from 1.3x to 7.2x. At 4.9x, this facility’s average ratio is above the state median. 87 hospitals in MI report pricing data to CMS (Source: CMS IPPS Provider Summary).

The procedure with the largest gap between the listed price and Medicare reimbursement at UNIVERSITY OF MICHIGAN HEALTH SYSTEM is KIDNEY TRANSPLANT WITH HEMODIALYSIS WITHOUT MCC (DRG 651). The listed chargemaster rate is $250,968, while Medicare reimburses $30,711 for the same procedure — a ratio of 8.2x (Source: CMS IPPS Provider Summary, FY2024).

What does this actually mean for your bill? Chargemaster rates are rarely what patients pay. If you have insurance, your insurer has negotiated a separate rate — often 40–60% less than the listed price. If you are uninsured, you may be able to negotiate directly with the hospital or request financial assistance. The chargemaster-to-Medicare ratio is a useful reference point for understanding listed pricing, but it does not represent what most patients will owe out of pocket.

UNIVERSITY OF MICHIGAN HEALTH SYSTEM is a voluntary non-profit - private acute care hospitals facility with a CMS quality rating of 4/5 stars. Note: CMS quality ratings measure patient outcomes and experience, not pricing. A hospital with high listed prices may provide excellent care, and pricing data alone should not be used to evaluate the quality of a healthcare provider.

Listed Chargemaster Rates vs Medicare Reimbursement — Top Procedures by Ratio

Listed Chargemaster Rate Medicare Reimbursement

Source: CMS IPPS Provider Summary, FY2024. Chargemaster rates are list prices and may not reflect actual patient costs.

Procedure Pricing Lookup

Search for a specific procedure or DRG code to see listed chargemaster rates and Medicare reimbursement amounts.

ProcedureDRGListed ChargeMedicare Reimb.RatioState Position
KIDNEY TRANSPLANT WITH HEMODIALYSIS WITHOUT MCC651$250,968$30,7118.2x
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KIDNEY TRANSPLANT652$214,078$26,4858.1x
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MAJOR HEAD AND NECK PROCEDURES WITHOUT CC/MCC142$103,733$13,6327.6x
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COMPLICATIONS OF TREATMENT WITH CC920$61,442$8,4467.3x
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OTHER RESPIRATORY SYSTEM DIAGNOSES WITHOUT MCC206$69,107$9,5237.3x
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CIRCULATORY DISORDERS EXCEPT AMI, WITH CARDIAC CATHETERIZATION WITHOUT MCC287$70,856$9,7617.3x
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OTHER DISORDERS OF NERVOUS SYSTEM WITH CC092$57,749$8,4456.8x
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CRANIOTOMY AND ENDOVASCULAR INTRACRANIAL PROCEDURES WITHOUT CC/MCC027$140,719$20,8096.8x
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OTHER CARDIOTHORACIC PROCEDURES WITH MCC228$284,710$42,1216.8x
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ACUTE MYOCARDIAL INFARCTION, DISCHARGED ALIVE WITH CC281$48,979$7,4676.6x
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RED BLOOD CELL DISORDERS WITHOUT MCC812$54,894$8,4116.5x
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PULMONARY EDEMA AND RESPIRATORY FAILURE189$83,354$13,0226.4x
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CHRONIC OBSTRUCTIVE PULMONARY DISEASE WITH MCC190$55,296$8,7466.3x
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EXTRACRANIAL PROCEDURES WITHOUT CC/MCC039$58,569$9,2996.3x
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HEART FAILURE AND SHOCK WITH CC292$43,469$6,9206.3x
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KIDNEY TRANSPLANT WITH HEMODIALYSIS WITH MCC650$256,996$41,0496.3x
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SIGNS AND SYMPTOMS WITHOUT MCC948$38,951$6,2316.3x
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DISORDERS OF PANCREAS EXCEPT MALIGNANCY WITH CC439$46,333$7,4446.2x
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PERCUTANEOUS CARDIOVASCULAR PROCEDURES WITH DRUG-ELUTING STENT WITHOUT MCC247$101,806$16,3836.2x
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DISORDERS OF PANCREAS EXCEPT MALIGNANCY WITH MCC438$98,962$15,9536.2x
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MISCELLANEOUS DISORDERS OF NUTRITION, METABOLISM, FLUIDS AND ELECTROLYTES WITHOUT MCC641$40,400$6,5366.2x
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OTHER FACTORS INFLUENCING HEALTH STATUS951$32,050$5,1956.2x
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MAJOR GASTROINTESTINAL DISORDERS AND PERITONEAL INFECTIONS WITH CC372$50,627$8,2026.2x
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PERCUTANEOUS AND OTHER INTRACARDIAC PROCEDURES WITH MCC273$159,896$26,0296.1x
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PULMONARY EMBOLISM WITHOUT MCC176$41,708$6,8456.1x
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LYMPHOMA AND LEUKEMIA WITH MAJOR O.R. PROCEDURES WITHOUT CC/MCC822$56,566$9,3276.1x
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INTRACRANIAL HEMORRHAGE OR CEREBRAL INFARCTION WITH CC OR TPA IN 24 HOURS065$55,322$9,1276.1x
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DISORDERS OF THE BILIARY TRACT WITH MCC444$113,146$18,7236.0x
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CARDIAC ARRHYTHMIA AND CONDUCTION DISORDERS WITHOUT CC/MCC310$28,035$4,6906.0x
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CHEST PAIN313$33,107$5,5426.0x
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ESOPHAGITIS, GASTROENTERITIS AND MISCELLANEOUS DIGESTIVE DISORDERS WITHOUT MCC392$41,225$6,9296.0x
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LYMPHOMA AND NON-ACUTE LEUKEMIA WITH CC841$83,204$13,9975.9x
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MISCELLANEOUS DISORDERS OF NUTRITION, METABOLISM, FLUIDS AND ELECTROLYTES WITH MCC640$70,986$12,0575.9x
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RED BLOOD CELL DISORDERS WITH MCC811$74,380$12,6585.9x
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OTHER CIRCULATORY SYSTEM DIAGNOSES WITH CC315$41,400$7,0545.9x
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CORONARY BYPASS WITH CARDIAC CATHETERIZATION OR OPEN ABLATION WITHOUT MCC234$209,312$36,0385.8x
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KIDNEY AND URETER PROCEDURES FOR NON-NEOPLASM WITH CC660$63,142$10,9915.7x
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MAJOR HEAD AND NECK PROCEDURES WITH CC141$109,290$19,0725.7x
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LOWER EXTREMITY AND HUMERUS PROCEDURES EXCEPT HIP, FOOT AND FEMUR WITH CC493$116,540$20,4505.7x
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DIGESTIVE MALIGNANCY WITH MCC374$88,467$15,5485.7x
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MAJOR CHEST TRAUMA WITH CC184$50,547$8,8975.7x
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OTHER DISORDERS OF NERVOUS SYSTEM WITH MCC091$96,538$17,0315.7x
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MAJOR CHEST PROCEDURES WITHOUT CC/MCC165$88,853$15,6755.7x
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CIRRHOSIS AND ALCOHOLIC HEPATITIS WITH CC433$55,396$9,8395.6x
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DISORDERS OF THE BILIARY TRACT WITH CC445$55,783$9,9535.6x
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SYNCOPE AND COLLAPSE312$44,671$7,9815.6x
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BACK AND NECK PROCEDURES EXCEPT SPINAL FUSION WITH CC519$104,615$18,6785.6x
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DIGESTIVE MALIGNANCY WITH CC375$52,601$9,4385.6x
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FRACTURE, SPRAIN, STRAIN AND DISLOCATION EXCEPT FEMUR, HIP, PELVIS AND THIGH WITHOUT MCC563$41,002$7,3715.6x
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RENAL FAILURE WITH MCC682$76,035$13,7715.5x
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Showing 50 of 207 procedures

All data from CMS IPPS Provider Summary, FY2024. Chargemaster rates are list prices and may not reflect actual patient costs.

Statewide Context

Charge-to-Medicare ratio range across MI hospitals

1.3x
Median: 3.9x
7.2x
4.9x

87 hospitals in MI report pricing data to CMS. This facility's average ratio of 4.9x places it at the upper-middle range of the state range (Source: CMS IPPS Provider Summary).

What You Can Do

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Request an Itemized Bill

Federal law entitles you to a detailed breakdown of every charge. If you haven't received one, knowing what to ask for is the first step.

Learn how

Check for Common Errors

Research suggests 49-80% of hospital bills contain errors — from duplicate charges to incorrect procedure codes.

How it works

Data: CMS Inpatient Prospective Payment System (IPPS) Provider Summary, FY2024. All data is publicly available under federal law (45 CFR Part 180).

Important: Listed chargemaster rates are not what most insured patients pay. Actual costs depend on your insurance plan's negotiated rates, deductibles, and coverage terms. This information is for educational purposes only and does not constitute medical, legal, or financial advice.

Read our methodology·Report a data error

Frequently Asked Questions About UNIVERSITY OF MICHIGAN HEALTH SYSTEM

How much does UNIVERSITY OF MICHIGAN HEALTH SYSTEM charge compared to Medicare?

According to CMS IPPS data, UNIVERSITY OF MICHIGAN HEALTH SYSTEM's listed chargemaster rates average 4.9x the Medicare reimbursement amount across 207 procedures. Chargemaster rates are list prices and are not what most insured patients pay — actual costs depend on insurance negotiations and coverage terms.

What is the most expensive procedure at UNIVERSITY OF MICHIGAN HEALTH SYSTEM?

The procedure with the highest chargemaster-to-Medicare ratio at UNIVERSITY OF MICHIGAN HEALTH SYSTEM is KIDNEY TRANSPLANT WITH HEMODIALYSIS WITHOUT MCC (DRG 651), with a listed charge of $250,968 compared to Medicare reimbursement of $30,711 — a ratio of 8.2x. Source: CMS IPPS Provider Summary.

Is UNIVERSITY OF MICHIGAN HEALTH SYSTEM expensive compared to other MI hospitals?

UNIVERSITY OF MICHIGAN HEALTH SYSTEM's average chargemaster-to-Medicare ratio is 4.9x. Ratios vary significantly across MI hospitals. This ratio reflects listed chargemaster prices, not what patients actually pay. CMS quality ratings, which measure patient outcomes and experience, are separate from pricing data.

Where does the pricing data for UNIVERSITY OF MICHIGAN HEALTH SYSTEM come from?

All pricing data comes from the Centers for Medicare & Medicaid Services (CMS) Inpatient Prospective Payment System (IPPS) Provider Summary, published under federal price transparency law (45 CFR Part 180). This data is publicly available and updated annually.

How can I check if my bill from UNIVERSITY OF MICHIGAN HEALTH SYSTEM is correct?

You can upload your bill to BillRazor for a free comparison against publicly available Medicare reimbursement data. Our system analyzes every line item in 60 seconds. Research suggests 49-80% of hospital bills contain errors, including duplicate charges, incorrect procedure codes, and unbundling.

Does UNIVERSITY OF MICHIGAN HEALTH SYSTEM in ANN ARBOR, MI accept Medicare?

UNIVERSITY OF MICHIGAN HEALTH SYSTEM is included in the CMS IPPS Provider Summary, which covers Medicare-participating hospitals. For specific coverage questions, contact UNIVERSITY OF MICHIGAN HEALTH SYSTEM directly or check with your insurance provider.

Data sourced from CMS IPPS Provider Summary, FY2024. All information is for educational purposes only.