Ascension St. John Hospital Medicare inpatient and outpatient services
Every DRG and outpatient service group CMS publishes for Ascension St. John Hospital, Detroit, MI in 2024, from traditional Medicare claims. Back to the Ascension St. John Hospital profile, with quality ratings, finances and negotiated rates.
2,927
Medicare inpatient discharges
In 94 published DRGs
2.18
Case mix index
IPPS FY 2027
18%
Surgical stays
73%
Stays with complications
In DRGs with a CC or MCC
3,058
Medicare outpatient services
In 42 service groups
Inpatient stays by major diagnostic category
Circulatory system787 discharges in 25 DRGs
| Condition or procedure | Discharges | Average charges | Average Medicare payment | Estimated cost | DRG weight |
|---|---|---|---|---|---|
| Heart failure and shock with MCCMS-DRG 291, medical | 202 | $35,890 | $10,092 | $10,803 | 1.28 |
| Acute myocardial infarction, discharged alive with MCCMS-DRG 280, medical | 71 | $46,083 | $12,171 | $13,871 | 1.59 |
| Percutaneous and other intracardiac procedures without MCCMS-DRG 274, surgical | 56 | $62,932 | $25,801 | $18,943 | 3.24 |
| Syncope and collapseMS-DRG 312, medical | 40 | $23,986 | $6,381 | $7,220 | 0.86 |
| Other circulatory system diagnoses with MCCMS-DRG 314, medical | 35 | $53,408 | $15,535 | $16,076 | 2.09 |
| Circulatory disorders except AMI, with cardiac catheterization with MCCMS-DRG 286, medical | 29 | $58,012 | $16,762 | $17,461 | 2.16 |
| Cardiac arrhythmia and conduction disorders with MCCMS-DRG 308, medical | 28 | $34,153 | $9,371 | $10,280 | 1.20 |
| Cardiac arrhythmia and conduction disorders with CCMS-DRG 309, medical | 27 | $22,528 | $5,542 | $6,781 | 0.74 |
| Percutaneous cardiovascular procedures with intraluminal device without MCCMS-DRG 322, surgical | 26 | $65,738 | $12,843 | $19,787 | 1.82 |
| Hypertension without MCCMS-DRG 305, medical | 22 | $25,935 | $5,531 | $7,806 | 0.75 |
| Other vascular procedures with MCCMS-DRG 252, surgical | 21 | $116,349 | $28,529 | $35,021 | 3.35 |
| Circulatory disorders except AMI, with cardiac catheterization without MCCMS-DRG 287, medical | 21 | $43,614 | $8,037 | $13,128 | 1.08 |
| Endovascular cardiac valve replacement and supplement procedures without MCCMS-DRG 267, surgical | 20 | $111,713 | $39,177 | $33,625 | 4.88 |
| Permanent cardiac pacemaker implant with CCMS-DRG 243, surgical | 19 | $66,002 | $16,086 | $19,867 | 2.28 |
| Peripheral vascular disorders with CCMS-DRG 300, medical | 19 | $19,796 | $8,314 | $5,959 | 1.07 |
| Coronary bypass without cardiac catheterization with MCCMS-DRG 235, surgical | 18 | $157,283 | $39,596 | $47,342 | 5.88 |
| Hypertension with MCCMS-DRG 304, medical | 18 | $27,470 | $8,908 | $8,268 | 1.15 |
| Percutaneous cardiovascular procedures with intraluminal device with MCC or 4+ arteries/MS-DRG 321, surgical | 18 | $102,364 | $21,935 | $30,812 | 2.87 |
| Cardiac valve and other major cardiothoracic procedures without cardiac catheterizationMS-DRG 219, surgical | 17 | $201,721 | $59,032 | $60,718 | 7.71 |
| Endovascular cardiac valve replacement and supplement procedures with MCCMS-DRG 266, surgical | 16 | $133,496 | $43,771 | $40,182 | 6.25 |
| Acute myocardial infarction, discharged alive with CCMS-DRG 281, medical | 14 | $35,515 | $6,832 | $10,690 | 0.91 |
| Cardiac arrhythmia and conduction disorders without cc/mccMS-DRG 310, medical | 14 | $13,979 | $4,062 | $4,208 | 0.55 |
| Other vascular procedures with CCMS-DRG 253, surgical | 13 | $102,721 | $20,157 | $30,919 | 2.55 |
| Other major cardiovascular procedures with CCMS-DRG 271, surgical | 12 | $96,786 | $27,533 | $29,133 | 3.46 |
| Chest painMS-DRG 313, medical | 11 | $20,436 | $5,644 | $6,151 | 0.72 |
Infectious and parasitic diseases506 discharges in 5 DRGs
| Condition or procedure | Discharges | Average charges | Average Medicare payment | Estimated cost | DRG weight |
|---|---|---|---|---|---|
| Septicemia or severe sepsis without MV >96 hours with MCCMS-DRG 871, medical | 342 | $45,197 | $14,620 | $13,604 | 1.98 |
| Infectious and parasitic diseases with o.r. procedures with MCCMS-DRG 853, surgical | 72 | $119,373 | $37,637 | $35,931 | 5.00 |
| Septicemia or severe sepsis without MV >96 hours without MCCMS-DRG 872, medical | 55 | $22,041 | $7,222 | $6,634 | 1.03 |
| Septicemia or severe sepsis with MV >96 hoursMS-DRG 870, medical | 26 | $120,443 | $43,866 | $36,253 | 6.96 |
| Postoperative and post-traumatic infections with MCCMS-DRG 862, medical | 11 | $32,161 | $13,780 | $9,680 | 1.84 |
Nervous system287 discharges in 14 DRGs
| Condition or procedure | Discharges | Average charges | Average Medicare payment | Estimated cost | DRG weight |
|---|---|---|---|---|---|
| Intracranial hemorrhage or cerebral infarction with MCCMS-DRG 064, medical | 36 | $67,564 | $15,740 | $20,337 | 2.00 |
| Seizures without MCCMS-DRG 101, medical | 31 | $17,028 | $6,951 | $5,125 | 0.91 |
| Intracranial hemorrhage or cerebral infarction with CC or tpa in 24 hoursMS-DRG 065, medical | 30 | $48,420 | $7,778 | $14,574 | 1.02 |
| Seizures with MCCMS-DRG 100, medical | 29 | $56,333 | $15,848 | $16,956 | 1.98 |
| Craniotomy with major device implant or acute complex CNS principal diagnosis with MCC oMS-DRG 023, surgical | 26 | $165,645 | $45,038 | $49,859 | 5.67 |
| Carotid artery stent procedures without cc/mccMS-DRG 036, surgical | 18 | $58,283 | $12,519 | $17,543 | 1.81 |
| Transient ischemia without thrombolyticMS-DRG 069, medical | 18 | $29,860 | $5,293 | $8,988 | 0.80 |
| Degenerative nervous system disorders with MCCMS-DRG 056, medical | 16 | $45,637 | $18,999 | $13,737 | 2.39 |
| Degenerative nervous system disorders without MCCMS-DRG 057, medical | 16 | $23,416 | $9,693 | $7,048 | 1.36 |
| Other disorders of nervous system with MCCMS-DRG 091, medical | 16 | $43,408 | $14,036 | $13,066 | 1.79 |
| Other disorders of nervous system with CCMS-DRG 092, medical | 16 | $27,025 | $7,911 | $8,134 | 1.03 |
| Craniotomy and endovascular intracranial procedures with CCMS-DRG 026, surgical | 12 | $105,084 | $21,892 | $31,630 | 2.95 |
| Peripheral, cranial nerve and other nervous system procedures with CC or peripheral neurMS-DRG 041, surgical | 12 | $66,453 | $17,804 | $20,002 | 2.23 |
| Cranial and peripheral nerve disorders without MCCMS-DRG 074, medical | 11 | $24,480 | $8,355 | $7,368 | 1.03 |
Respiratory system277 discharges in 9 DRGs
| Condition or procedure | Discharges | Average charges | Average Medicare payment | Estimated cost | DRG weight |
|---|---|---|---|---|---|
| Pulmonary edema and respiratory failureMS-DRG 189, medical | 68 | $24,896 | $9,609 | $7,494 | 1.23 |
| Respiratory infections and inflammations with MCCMS-DRG 177, medical | 58 | $33,654 | $12,730 | $10,130 | 1.70 |
| Simple pneumonia and pleurisy with MCCMS-DRG 193, medical | 53 | $29,877 | $10,236 | $8,993 | 1.33 |
| Respiratory infections and inflammations with CCMS-DRG 178, medical | 23 | $17,882 | $7,580 | $5,382 | 0.99 |
| Respiratory system diagnosis with ventilator support <=96 hoursMS-DRG 208, medical | 22 | $66,584 | $21,783 | $20,042 | 2.70 |
| Chronic obstructive pulmonary disease with MCCMS-DRG 190, medical | 15 | $24,396 | $8,763 | $7,343 | 1.10 |
| Pulmonary embolism with MCC or acute cor pulmonaleMS-DRG 175, medical | 14 | $38,305 | $10,322 | $11,530 | 1.40 |
| Respiratory system diagnosis with ventilator support >96 hoursMS-DRG 207, medical | 13 | $226,178 | $46,913 | $68,080 | 6.91 |
| Simple pneumonia and pleurisy with CCMS-DRG 194, medical | 11 | $15,625 | $5,491 | $4,703 | 0.82 |
Kidney and urinary tract274 discharges in 7 DRGs
| Condition or procedure | Discharges | Average charges | Average Medicare payment | Estimated cost | DRG weight |
|---|---|---|---|---|---|
| Other kidney and urinary tract diagnoses with MCCMS-DRG 698, medical | 64 | $33,721 | $12,503 | $10,150 | 1.65 |
| Renal failure with MCCMS-DRG 682, medical | 61 | $29,646 | $11,318 | $8,923 | 1.50 |
| Kidney and urinary tract infections with MCCMS-DRG 689, medical | 41 | $25,962 | $9,092 | $7,815 | 1.17 |
| Renal failure with CCMS-DRG 683, medical | 36 | $24,219 | $6,105 | $7,290 | 0.90 |
| Kidney and urinary tract infections without MCCMS-DRG 690, medical | 36 | $18,210 | $6,078 | $5,481 | 0.81 |
| Other kidney and urinary tract diagnoses with CCMS-DRG 699, medical | 25 | $25,616 | $7,996 | $7,710 | 1.02 |
| Kidney transplantMS-DRG 652, surgical | 11 | $210,813 | $23,859 | $63,455 | 3.00 |
Digestive system247 discharges in 9 DRGs
| Condition or procedure | Discharges | Average charges | Average Medicare payment | Estimated cost | DRG weight |
|---|---|---|---|---|---|
| Esophagitis, gastroenteritis and miscellaneous digestive disorders without MCCMS-DRG 392, medical | 50 | $21,184 | $5,707 | $6,376 | 0.79 |
| Gastrointestinal hemorrhage with MCCMS-DRG 377, medical | 41 | $40,100 | $13,850 | $12,070 | 1.79 |
| Gastrointestinal hemorrhage with CCMS-DRG 378, medical | 38 | $25,610 | $7,067 | $7,709 | 0.98 |
| Esophagitis, gastroenteritis and miscellaneous digestive disorders with MCCMS-DRG 391, medical | 26 | $24,484 | $9,356 | $7,370 | 1.28 |
| Major small and large bowel procedures with MCCMS-DRG 329, surgical | 24 | $176,786 | $39,369 | $53,213 | 4.52 |
| Other digestive system diagnoses with MCCMS-DRG 393, medical | 24 | $43,190 | $11,781 | $13,000 | 1.62 |
| Major small and large bowel procedures with CCMS-DRG 330, surgical | 19 | $72,342 | $17,937 | $21,775 | 2.37 |
| Other digestive system diagnoses with CCMS-DRG 394, medical | 13 | $23,965 | $7,017 | $7,213 | 0.94 |
| Gastrointestinal obstruction with CCMS-DRG 389, medical | 12 | $19,902 | $5,673 | $5,990 | 0.80 |
Endocrine, nutritional and metabolic174 discharges in 5 DRGs
| Condition or procedure | Discharges | Average charges | Average Medicare payment | Estimated cost | DRG weight |
|---|---|---|---|---|---|
| Miscellaneous disorders of nutrition, metabolism, fluids and electrolytes with MCCMS-DRG 640, medical | 75 | $32,256 | $10,058 | $9,709 | 1.32 |
| Miscellaneous disorders of nutrition, metabolism, fluids and electrolytes without MCCMS-DRG 641, medical | 43 | $20,069 | $6,014 | $6,041 | 0.78 |
| Diabetes with MCCMS-DRG 637, medical | 24 | $28,726 | $10,820 | $8,646 | 1.45 |
| Diabetes with CCMS-DRG 638, medical | 17 | $22,880 | $6,344 | $6,887 | 0.90 |
| Endocrine disorders with MCCMS-DRG 643, medical | 15 | $34,866 | $12,740 | $10,495 | 1.65 |
Musculoskeletal system and connective tissue147 discharges in 8 DRGs
| Condition or procedure | Discharges | Average charges | Average Medicare payment | Estimated cost | DRG weight |
|---|---|---|---|---|---|
| Hip and femur procedures except major joint with CCMS-DRG 481, surgical | 41 | $62,606 | $15,601 | $18,844 | 2.07 |
| Medical back problems without MCCMS-DRG 552, medical | 28 | $26,810 | $7,556 | $8,070 | 0.97 |
| Hip and femur procedures except major joint with MCCMS-DRG 480, surgical | 16 | $91,377 | $22,400 | $27,505 | 2.95 |
| Fracture, sprain, strain and dislocation except femur, hip, pelvis and thigh without MCCMS-DRG 563, medical | 16 | $19,071 | $6,531 | $5,740 | 0.90 |
| Lower extremity and humerus procedures except hip, foot and femur with CCMS-DRG 493, surgical | 13 | $73,559 | $17,600 | $22,141 | 2.40 |
| Hip replacement with principal diagnosis of hip fracture without MCCMS-DRG 522, surgical | 11 | $64,980 | $15,990 | $19,559 | 2.11 |
| Medical back problems with MCCMS-DRG 551, medical | 11 | $26,373 | $13,497 | $7,938 | 1.70 |
| Bone diseases and arthropathies without MCCMS-DRG 554, medical | 11 | $20,608 | $5,376 | $6,203 | 0.82 |
Blood and immune system54 discharges in 2 DRGs
| Condition or procedure | Discharges | Average charges | Average Medicare payment | Estimated cost | DRG weight |
|---|---|---|---|---|---|
| Red blood cell disorders with MCCMS-DRG 811, medical | 30 | $31,004 | $10,780 | $9,332 | 1.40 |
| Red blood cell disorders without MCCMS-DRG 812, medical | 24 | $21,172 | $6,963 | $6,373 | 0.90 |
Injuries, poisonings and toxic effects of drugs42 discharges in 2 DRGs
| Condition or procedure | Discharges | Average charges | Average Medicare payment | Estimated cost | DRG weight |
|---|---|---|---|---|---|
| Poisoning and toxic effects of drugs with MCCMS-DRG 917, medical | 23 | $31,358 | $11,823 | $9,439 | 1.60 |
| Complications of treatment with MCCMS-DRG 919, medical | 19 | $35,255 | $14,765 | $10,612 | 1.82 |
Liver, gallbladder and pancreas39 discharges in 3 DRGs
| Condition or procedure | Discharges | Average charges | Average Medicare payment | Estimated cost | DRG weight |
|---|---|---|---|---|---|
| Malignancy of hepatobiliary system or pancreas with MCCMS-DRG 435, medical | 14 | $39,033 | $13,863 | $11,749 | 1.76 |
| Disorders of the biliary tract with MCCMS-DRG 444, medical | 14 | $83,622 | $19,450 | $25,170 | 1.63 |
| Cirrhosis and alcoholic hepatitis with MCCMS-DRG 432, medical | 11 | $73,516 | $17,771 | $22,128 | 1.92 |
Mental diseases and disorders33 discharges in 1 DRGs
| Condition or procedure | Discharges | Average charges | Average Medicare payment | Estimated cost | DRG weight |
|---|---|---|---|---|---|
| Organic disturbances and intellectual disabilityMS-DRG 884, medical | 33 | $25,255 | $13,023 | $7,602 | 1.76 |
Skin, subcutaneous tissue and breast25 discharges in 1 DRGs
| Condition or procedure | Discharges | Average charges | Average Medicare payment | Estimated cost | DRG weight |
|---|---|---|---|---|---|
| Cellulitis without MCCMS-DRG 603, medical | 25 | $12,903 | $6,060 | $3,884 | 0.88 |
Alcohol and drug use12 discharges in 1 DRGs
| Condition or procedure | Discharges | Average charges | Average Medicare payment | Estimated cost | DRG weight |
|---|---|---|---|---|---|
| Alcohol, drug abuse or dependence without rehabilitation therapy with MCCMS-DRG 896, medical | 12 | $49,151 | $13,281 | $14,794 | 1.78 |
Other12 discharges in 1 DRGs
| Condition or procedure | Discharges | Average charges | Average Medicare payment | Estimated cost | DRG weight |
|---|---|---|---|---|---|
| Extensive o.r. procedures unrelated to principal diagnosis with MCCMS-DRG 981, surgical | 12 | $141,372 | $34,156 | $42,553 | 4.74 |
Factors influencing health status11 discharges in 1 DRGs
| Condition or procedure | Discharges | Average charges | Average Medicare payment | Estimated cost | DRG weight |
|---|---|---|---|---|---|
| Other factors influencing health statusMS-DRG 951, medical | 11 | $11,581 | $4,498 | $3,486 | 0.59 |
Source: CMS Medicare Inpatient Hospitals by Provider and Service (2024 data, released 2026-04-10), traditional Medicare only; CMS omits DRGs with fewer than 11 discharges. Estimated cost is average charges times the hospital's Medicare cost-to-charge ratio from the IPPS Impact File. Weights are the MS-DRG relative weights for the same year.
Outpatient services
| Service group | Services | Patients | Average charges | Average Medicare payment | US average payment |
|---|---|---|---|---|---|
| Comprehensive Observation ServicesAPC 8011 | 548 | 491 | $9,931 | $1,894 | $2,090 |
| Level 1 Endovascular ProceduresAPC 5191 | 208 | 208 | $22,880 | $2,049 | $2,208 |
| Level 2 Upper GI ProceduresAPC 5302 | 171 | 155 | $8,213 | $1,339 | $1,445 |
| Level 1 Intraocular ProceduresAPC 5491 | 163 | 91 | $12,584 | $1,647 | $1,752 |
| Level 2 Excision/ Biopsy/ Incision and DrainageAPC 5072 | 161 | 147 | $6,233 | $1,134 | $1,220 |
| Level 1 Nerve ProceduresAPC 5431 | 142 | 129 | $11,328 | $1,342 | $1,407 |
| Level 3 Endovascular ProceduresAPC 5193 | 119 | 104 | $49,651 | $7,956 | $8,874 |
| Level 3 Vascular ProceduresAPC 5183 | 106 | 100 | $16,931 | $2,253 | $2,405 |
| Level 1 Laparoscopy and Related ServicesAPC 5361 | 98 | 98 | $36,846 | $3,930 | $4,358 |
| Level 4 Musculoskeletal ProceduresAPC 5114 | 97 | 93 | $33,243 | $4,883 | $5,339 |
| Level 3 Excision/ Biopsy/ Incision and DrainageAPC 5073 | 82 | 77 | $8,782 | $1,950 | $2,141 |
| Level 5 Musculoskeletal ProceduresAPC 5115 | 78 | 75 | $52,871 | $10,105 | $10,772 |
| Level 2 Endovascular ProceduresAPC 5192 | 76 | 71 | $33,444 | $3,966 | $4,338 |
| Level 4 Vascular ProceduresAPC 5184 | 75 | 68 | $40,245 | $3,699 | $3,946 |
| Level 4 Endovascular ProceduresAPC 5194 | 73 | 62 | $76,353 | $13,359 | $14,606 |
| Level 3 Electrophysiologic ProceduresAPC 5213 | 68 | 68 | $85,941 | $19,235 | $21,117 |
| Level 3 Urology and Related ServicesAPC 5373 | 68 | 63 | $14,441 | $1,447 | $1,516 |
| Level 2 Laparoscopy and Related ServicesAPC 5362 | 64 | 63 | $59,797 | $7,336 | $8,164 |
| Level 4 Urology and Related ServicesAPC 5374 | 55 | 47 | $21,926 | $2,435 | $2,629 |
| Level 5 Urology and Related ServicesAPC 5375 | 51 | 47 | $29,743 | $3,537 | $3,918 |
| Level 4 Gynecologic ProceduresAPC 5414 | 51 | 51 | $20,452 | $2,107 | $2,389 |
| Level 3 Musculoskeletal ProceduresAPC 5113 | 48 | 48 | $17,959 | $2,159 | $2,373 |
| Level 2 Musculoskeletal ProceduresAPC 5112 | 45 | 42 | $12,256 | $1,118 | $1,196 |
| Level 3 Airway EndoscopyAPC 5153 | 39 | 33 | $5,632 | $1,177 | $1,264 |
| Level 1 Breast/Lymphatic Surgery and Related ProceduresAPC 5091 | 38 | 37 | $22,071 | $2,712 | $2,930 |
| Level 3 ENT ProceduresAPC 5163 | 33 | 25 | $3,546 | $1,085 | $1,106 |
| Level 4 Airway EndoscopyAPC 5154 | 28 | 26 | $18,239 | $2,664 | $2,833 |
| Level 2 Vascular ProceduresAPC 5182 | 28 | 27 | $10,158 | $1,139 | $1,204 |
| Level 2 Urology and Related ServicesAPC 5372 | 28 | 28 | $4,228 | $482 | $502 |
| Level 2 Breast/Lymphatic Surgery and Related ProceduresAPC 5092 | 26 | 26 | $38,088 | $4,639 | $4,982 |
| Level 1 Abdominal/Peritoneal/Biliary and Related ProceduresAPC 5341 | 24 | 24 | $30,794 | $2,359 | $2,636 |
| Level 5 ENT ProceduresAPC 5165 | 23 | 23 | $42,737 | $4,166 | $4,436 |
| Level 3 Pacemaker and Similar ProceduresAPC 5223 | 18 | 18 | $44,427 | $7,897 | $8,569 |
| Level 3 Upper GI ProceduresAPC 5303 | 18 | 16 | $13,566 | $2,725 | $2,888 |
| Level 3 Lower GI ProceduresAPC 5313 | 16 | 16 | $20,608 | $1,998 | $2,176 |
| Level 2 Pacemaker and Similar ProceduresAPC 5222 | 15 | 15 | $26,380 | $6,025 | $6,514 |
| Level 4 ENT ProceduresAPC 5164 | 14 | 14 | $22,300 | $2,291 | $2,217 |
| Complex GI ProceduresAPC 5331 | 14 | $16,165 | $4,055 | $4,263 | |
| Level 6 Musculoskeletal ProceduresAPC 5116 | 13 | 13 | $66,546 | $13,822 | $15,763 |
| Level 5 Gynecologic ProceduresAPC 5415 | 13 | 13 | $24,409 | $3,539 | $3,792 |
| Level 2 ICD and Similar ProceduresAPC 5232 | 12 | 12 | $144,106 | $27,658 | $29,375 |
| Level 3 Intraocular ProceduresAPC 5493 | 11 | $15,741 | $3,380 | $4,004 |
Source: CMS Medicare Outpatient Hospitals by Provider and Service (2024 data, released 2026-06-24), comprehensive APCs for traditional Medicare; CMS omits services with fewer than 11 claims. The US average weights every hospital by its services.