MS-DRG 469 – Major Hip and Knee Joint Replacement or Reattachment of Lower Extremity with MCC or Total Ankle Replacement
A Surgical DRG in MDC 08 (Diseases & Disorders of the Musculoskeletal System & Connective Tissue). Inpatient cases group to DRG 469 when one of the 184 ICD-10-PCS operating-room procedures listed below is reported. Its FY 2026 relative weight is 3.0332 with a geometric mean length of stay of 3.3 days.
The grouper first assigns the case to MDC 08 from the principal diagnosis, then matches a qualifying operating-room procedure from the ICD-10-PCS list below (this is a Surgical DRG).
Procedure Codes 184 codes · 34 categories
0SR9 Lower Joints, Replacement20 codes
- 0SR9019 Replacement of Right Hip Joint with Metal Synthetic Substitute, Cemented, Open Approach
- 0SR901A Replacement of Right Hip Joint with Metal Synthetic Substitute, Uncemented, Open Approach
- 0SR901Z Replacement of Right Hip Joint with Metal Synthetic Substitute, Open Approach
- 0SR9029 Replacement of Right Hip Joint with Metal on Polyethylene Synthetic Substitute, Cemented, Open Approach
- 0SR902A Replacement of Right Hip Joint with Metal on Polyethylene Synthetic Substitute, Uncemented, Open Approach
- 0SR902Z Replacement of Right Hip Joint with Metal on Polyethylene Synthetic Substitute, Open Approach
- 0SR9039 Replacement of Right Hip Joint with Ceramic Synthetic Substitute, Cemented, Open Approach
- 0SR903A Replacement of Right Hip Joint with Ceramic Synthetic Substitute, Uncemented, Open Approach
- 0SR903Z Replacement of Right Hip Joint with Ceramic Synthetic Substitute, Open Approach
- 0SR9049 Replacement of Right Hip Joint with Ceramic on Polyethylene Synthetic Substitute, Cemented, Open Approach
- 0SR904A Replacement of Right Hip Joint with Ceramic on Polyethylene Synthetic Substitute, Uncemented, Open Approach
- 0SR904Z Replacement of Right Hip Joint with Ceramic on Polyethylene Synthetic Substitute, Open Approach
- 0SR9069 Replacement of Right Hip Joint with Oxidized Zirconium on Polyethylene Synthetic Substitute, Cemented, Open Approach
- 0SR906A Replacement of Right Hip Joint with Oxidized Zirconium on Polyethylene Synthetic Substitute, Uncemented, Open Approach
- 0SR906Z Replacement of Right Hip Joint with Oxidized Zirconium on Polyethylene Synthetic Substitute, Open Approach
- 0SR907Z Replacement of Right Hip Joint with Autologous Tissue Substitute, Open Approach
- 0SR90J9 Replacement of Right Hip Joint with Synthetic Substitute, Cemented, Open Approach
- 0SR90JA Replacement of Right Hip Joint with Synthetic Substitute, Uncemented, Open Approach
- 0SR90JZ Replacement of Right Hip Joint with Synthetic Substitute, Open Approach
- 0SR90KZ Replacement of Right Hip Joint with Nonautologous Tissue Substitute, Open Approach
0SRA Lower Joints, Replacement14 codes
- 0SRA009 Replacement of Right Hip Joint, Acetabular Surface with Polyethylene Synthetic Substitute, Cemented, Open Approach
- 0SRA00A Replacement of Right Hip Joint, Acetabular Surface with Polyethylene Synthetic Substitute, Uncemented, Open Approach
- 0SRA00Z Replacement of Right Hip Joint, Acetabular Surface with Polyethylene Synthetic Substitute, Open Approach
- 0SRA019 Replacement of Right Hip Joint, Acetabular Surface with Metal Synthetic Substitute, Cemented, Open Approach
- 0SRA01A Replacement of Right Hip Joint, Acetabular Surface with Metal Synthetic Substitute, Uncemented, Open Approach
- 0SRA01Z Replacement of Right Hip Joint, Acetabular Surface with Metal Synthetic Substitute, Open Approach
- 0SRA039 Replacement of Right Hip Joint, Acetabular Surface with Ceramic Synthetic Substitute, Cemented, Open Approach
- 0SRA03A Replacement of Right Hip Joint, Acetabular Surface with Ceramic Synthetic Substitute, Uncemented, Open Approach
- 0SRA03Z Replacement of Right Hip Joint, Acetabular Surface with Ceramic Synthetic Substitute, Open Approach
- 0SRA07Z Replacement of Right Hip Joint, Acetabular Surface with Autologous Tissue Substitute, Open Approach
- 0SRA0J9 Replacement of Right Hip Joint, Acetabular Surface with Synthetic Substitute, Cemented, Open Approach
- 0SRA0JA Replacement of Right Hip Joint, Acetabular Surface with Synthetic Substitute, Uncemented, Open Approach
- 0SRA0JZ Replacement of Right Hip Joint, Acetabular Surface with Synthetic Substitute, Open Approach
- 0SRA0KZ Replacement of Right Hip Joint, Acetabular Surface with Nonautologous Tissue Substitute, Open Approach
0SRB Lower Joints, Replacement20 codes
- 0SRB019 Replacement of Left Hip Joint with Metal Synthetic Substitute, Cemented, Open Approach
- 0SRB01A Replacement of Left Hip Joint with Metal Synthetic Substitute, Uncemented, Open Approach
- 0SRB01Z Replacement of Left Hip Joint with Metal Synthetic Substitute, Open Approach
- 0SRB029 Replacement of Left Hip Joint with Metal on Polyethylene Synthetic Substitute, Cemented, Open Approach
- 0SRB02A Replacement of Left Hip Joint with Metal on Polyethylene Synthetic Substitute, Uncemented, Open Approach
- 0SRB02Z Replacement of Left Hip Joint with Metal on Polyethylene Synthetic Substitute, Open Approach
- 0SRB039 Replacement of Left Hip Joint with Ceramic Synthetic Substitute, Cemented, Open Approach
- 0SRB03A Replacement of Left Hip Joint with Ceramic Synthetic Substitute, Uncemented, Open Approach
- 0SRB03Z Replacement of Left Hip Joint with Ceramic Synthetic Substitute, Open Approach
- 0SRB049 Replacement of Left Hip Joint with Ceramic on Polyethylene Synthetic Substitute, Cemented, Open Approach
- 0SRB04A Replacement of Left Hip Joint with Ceramic on Polyethylene Synthetic Substitute, Uncemented, Open Approach
- 0SRB04Z Replacement of Left Hip Joint with Ceramic on Polyethylene Synthetic Substitute, Open Approach
- 0SRB069 Replacement of Left Hip Joint with Oxidized Zirconium on Polyethylene Synthetic Substitute, Cemented, Open Approach
- 0SRB06A Replacement of Left Hip Joint with Oxidized Zirconium on Polyethylene Synthetic Substitute, Uncemented, Open Approach
- 0SRB06Z Replacement of Left Hip Joint with Oxidized Zirconium on Polyethylene Synthetic Substitute, Open Approach
- 0SRB07Z Replacement of Left Hip Joint with Autologous Tissue Substitute, Open Approach
- 0SRB0J9 Replacement of Left Hip Joint with Synthetic Substitute, Cemented, Open Approach
- 0SRB0JA Replacement of Left Hip Joint with Synthetic Substitute, Uncemented, Open Approach
- 0SRB0JZ Replacement of Left Hip Joint with Synthetic Substitute, Open Approach
- 0SRB0KZ Replacement of Left Hip Joint with Nonautologous Tissue Substitute, Open Approach
0SRC Lower Joints, Replacement21 codes
- 0SRC069 Replacement of Right Knee Joint with Oxidized Zirconium on Polyethylene Synthetic Substitute, Cemented, Open Approach
- 0SRC06A Replacement of Right Knee Joint with Oxidized Zirconium on Polyethylene Synthetic Substitute, Uncemented, Open Approach
- 0SRC06Z Replacement of Right Knee Joint with Oxidized Zirconium on Polyethylene Synthetic Substitute, Open Approach
- 0SRC07D Replacement of Right Knee Joint with Autologous Tissue Substitute, Medial Meniscus, Open Approach
- 0SRC07E Replacement of Right Knee Joint with Autologous Tissue Substitute, Lateral Meniscus, Open Approach
- 0SRC07Z Replacement of Right Knee Joint with Autologous Tissue Substitute, Open Approach
- 0SRC0J9 Replacement of Right Knee Joint with Synthetic Substitute, Cemented, Open Approach
- 0SRC0JA Replacement of Right Knee Joint with Synthetic Substitute, Uncemented, Open Approach
- 0SRC0JZ Replacement of Right Knee Joint with Synthetic Substitute, Open Approach
- 0SRC0KD Replacement of Right Knee Joint with Nonautologous Tissue Substitute, Medial Meniscus, Open Approach
- 0SRC0KE Replacement of Right Knee Joint with Nonautologous Tissue Substitute, Lateral Meniscus, Open Approach
- 0SRC0KZ Replacement of Right Knee Joint with Nonautologous Tissue Substitute, Open Approach
- 0SRC0L9 Replacement of Right Knee Joint with Medial Unicondylar Synthetic Substitute, Cemented, Open Approach
- 0SRC0LA Replacement of Right Knee Joint with Medial Unicondylar Synthetic Substitute, Uncemented, Open Approach
- 0SRC0LZ Replacement of Right Knee Joint with Medial Unicondylar Synthetic Substitute, Open Approach
- 0SRC0M9 Replacement of Right Knee Joint with Lateral Unicondylar Synthetic Substitute, Cemented, Open Approach
- 0SRC0MA Replacement of Right Knee Joint with Lateral Unicondylar Synthetic Substitute, Uncemented, Open Approach
- 0SRC0MZ Replacement of Right Knee Joint with Lateral Unicondylar Synthetic Substitute, Open Approach
- 0SRC0N9 Replacement of Right Knee Joint with Patellofemoral Synthetic Substitute, Cemented, Open Approach
- 0SRC0NA Replacement of Right Knee Joint with Patellofemoral Synthetic Substitute, Uncemented, Open Approach
- 0SRC0NZ Replacement of Right Knee Joint with Patellofemoral Synthetic Substitute, Open Approach
0SRD Lower Joints, Replacement21 codes
- 0SRD069 Replacement of Left Knee Joint with Oxidized Zirconium on Polyethylene Synthetic Substitute, Cemented, Open Approach
- 0SRD06A Replacement of Left Knee Joint with Oxidized Zirconium on Polyethylene Synthetic Substitute, Uncemented, Open Approach
- 0SRD06Z Replacement of Left Knee Joint with Oxidized Zirconium on Polyethylene Synthetic Substitute, Open Approach
- 0SRD07D Replacement of Left Knee Joint with Autologous Tissue Substitute, Medial Meniscus, Open Approach
- 0SRD07E Replacement of Left Knee Joint with Autologous Tissue Substitute, Lateral Meniscus, Open Approach
- 0SRD07Z Replacement of Left Knee Joint with Autologous Tissue Substitute, Open Approach
- 0SRD0J9 Replacement of Left Knee Joint with Synthetic Substitute, Cemented, Open Approach
- 0SRD0JA Replacement of Left Knee Joint with Synthetic Substitute, Uncemented, Open Approach
- 0SRD0JZ Replacement of Left Knee Joint with Synthetic Substitute, Open Approach
- 0SRD0KD Replacement of Left Knee Joint with Nonautologous Tissue Substitute, Medial Meniscus, Open Approach
- 0SRD0KE Replacement of Left Knee Joint with Nonautologous Tissue Substitute, Lateral Meniscus, Open Approach
- 0SRD0KZ Replacement of Left Knee Joint with Nonautologous Tissue Substitute, Open Approach
- 0SRD0L9 Replacement of Left Knee Joint with Medial Unicondylar Synthetic Substitute, Cemented, Open Approach
- 0SRD0LA Replacement of Left Knee Joint with Medial Unicondylar Synthetic Substitute, Uncemented, Open Approach
- 0SRD0LZ Replacement of Left Knee Joint with Medial Unicondylar Synthetic Substitute, Open Approach
- 0SRD0M9 Replacement of Left Knee Joint with Lateral Unicondylar Synthetic Substitute, Cemented, Open Approach
- 0SRD0MA Replacement of Left Knee Joint with Lateral Unicondylar Synthetic Substitute, Uncemented, Open Approach
- 0SRD0MZ Replacement of Left Knee Joint with Lateral Unicondylar Synthetic Substitute, Open Approach
- 0SRD0N9 Replacement of Left Knee Joint with Patellofemoral Synthetic Substitute, Cemented, Open Approach
- 0SRD0NA Replacement of Left Knee Joint with Patellofemoral Synthetic Substitute, Uncemented, Open Approach
- 0SRD0NZ Replacement of Left Knee Joint with Patellofemoral Synthetic Substitute, Open Approach
0SRE Lower Joints, Replacement14 codes
- 0SRE009 Replacement of Left Hip Joint, Acetabular Surface with Polyethylene Synthetic Substitute, Cemented, Open Approach
- 0SRE00A Replacement of Left Hip Joint, Acetabular Surface with Polyethylene Synthetic Substitute, Uncemented, Open Approach
- 0SRE00Z Replacement of Left Hip Joint, Acetabular Surface with Polyethylene Synthetic Substitute, Open Approach
- 0SRE019 Replacement of Left Hip Joint, Acetabular Surface with Metal Synthetic Substitute, Cemented, Open Approach
- 0SRE01A Replacement of Left Hip Joint, Acetabular Surface with Metal Synthetic Substitute, Uncemented, Open Approach
- 0SRE01Z Replacement of Left Hip Joint, Acetabular Surface with Metal Synthetic Substitute, Open Approach
- 0SRE039 Replacement of Left Hip Joint, Acetabular Surface with Ceramic Synthetic Substitute, Cemented, Open Approach
- 0SRE03A Replacement of Left Hip Joint, Acetabular Surface with Ceramic Synthetic Substitute, Uncemented, Open Approach
- 0SRE03Z Replacement of Left Hip Joint, Acetabular Surface with Ceramic Synthetic Substitute, Open Approach
- 0SRE07Z Replacement of Left Hip Joint, Acetabular Surface with Autologous Tissue Substitute, Open Approach
- 0SRE0J9 Replacement of Left Hip Joint, Acetabular Surface with Synthetic Substitute, Cemented, Open Approach
- 0SRE0JA Replacement of Left Hip Joint, Acetabular Surface with Synthetic Substitute, Uncemented, Open Approach
- 0SRE0JZ Replacement of Left Hip Joint, Acetabular Surface with Synthetic Substitute, Open Approach
- 0SRE0KZ Replacement of Left Hip Joint, Acetabular Surface with Nonautologous Tissue Substitute, Open Approach
0SRF Lower Joints, Replacement5 codes
- 0SRF07Z Replacement of Right Ankle Joint with Autologous Tissue Substitute, Open Approach
- 0SRF0J9 Replacement of Right Ankle Joint with Synthetic Substitute, Cemented, Open Approach
- 0SRF0JA Replacement of Right Ankle Joint with Synthetic Substitute, Uncemented, Open Approach
- 0SRF0JZ Replacement of Right Ankle Joint with Synthetic Substitute, Open Approach
- 0SRF0KZ Replacement of Right Ankle Joint with Nonautologous Tissue Substitute, Open Approach
0SRG Lower Joints, Replacement5 codes
- 0SRG07Z Replacement of Left Ankle Joint with Autologous Tissue Substitute, Open Approach
- 0SRG0J9 Replacement of Left Ankle Joint with Synthetic Substitute, Cemented, Open Approach
- 0SRG0JA Replacement of Left Ankle Joint with Synthetic Substitute, Uncemented, Open Approach
- 0SRG0JZ Replacement of Left Ankle Joint with Synthetic Substitute, Open Approach
- 0SRG0KZ Replacement of Left Ankle Joint with Nonautologous Tissue Substitute, Open Approach
0SRR Lower Joints, Replacement11 codes
- 0SRR019 Replacement of Right Hip Joint, Femoral Surface with Metal Synthetic Substitute, Cemented, Open Approach
- 0SRR01A Replacement of Right Hip Joint, Femoral Surface with Metal Synthetic Substitute, Uncemented, Open Approach
- 0SRR01Z Replacement of Right Hip Joint, Femoral Surface with Metal Synthetic Substitute, Open Approach
- 0SRR039 Replacement of Right Hip Joint, Femoral Surface with Ceramic Synthetic Substitute, Cemented, Open Approach
- 0SRR03A Replacement of Right Hip Joint, Femoral Surface with Ceramic Synthetic Substitute, Uncemented, Open Approach
- 0SRR03Z Replacement of Right Hip Joint, Femoral Surface with Ceramic Synthetic Substitute, Open Approach
- 0SRR07Z Replacement of Right Hip Joint, Femoral Surface with Autologous Tissue Substitute, Open Approach
- 0SRR0J9 Replacement of Right Hip Joint, Femoral Surface with Synthetic Substitute, Cemented, Open Approach
- 0SRR0JA Replacement of Right Hip Joint, Femoral Surface with Synthetic Substitute, Uncemented, Open Approach
- 0SRR0JZ Replacement of Right Hip Joint, Femoral Surface with Synthetic Substitute, Open Approach
- 0SRR0KZ Replacement of Right Hip Joint, Femoral Surface with Nonautologous Tissue Substitute, Open Approach
0SRS Lower Joints, Replacement11 codes
- 0SRS019 Replacement of Left Hip Joint, Femoral Surface with Metal Synthetic Substitute, Cemented, Open Approach
- 0SRS01A Replacement of Left Hip Joint, Femoral Surface with Metal Synthetic Substitute, Uncemented, Open Approach
- 0SRS01Z Replacement of Left Hip Joint, Femoral Surface with Metal Synthetic Substitute, Open Approach
- 0SRS039 Replacement of Left Hip Joint, Femoral Surface with Ceramic Synthetic Substitute, Cemented, Open Approach
- 0SRS03A Replacement of Left Hip Joint, Femoral Surface with Ceramic Synthetic Substitute, Uncemented, Open Approach
- 0SRS03Z Replacement of Left Hip Joint, Femoral Surface with Ceramic Synthetic Substitute, Open Approach
- 0SRS07Z Replacement of Left Hip Joint, Femoral Surface with Autologous Tissue Substitute, Open Approach
- 0SRS0J9 Replacement of Left Hip Joint, Femoral Surface with Synthetic Substitute, Cemented, Open Approach
- 0SRS0JA Replacement of Left Hip Joint, Femoral Surface with Synthetic Substitute, Uncemented, Open Approach
- 0SRS0JZ Replacement of Left Hip Joint, Femoral Surface with Synthetic Substitute, Open Approach
- 0SRS0KZ Replacement of Left Hip Joint, Femoral Surface with Nonautologous Tissue Substitute, Open Approach
0SRT Lower Joints, Replacement5 codes
- 0SRT07Z Replacement of Right Knee Joint, Femoral Surface with Autologous Tissue Substitute, Open Approach
- 0SRT0J9 Replacement of Right Knee Joint, Femoral Surface with Synthetic Substitute, Cemented, Open Approach
- 0SRT0JA Replacement of Right Knee Joint, Femoral Surface with Synthetic Substitute, Uncemented, Open Approach
- 0SRT0JZ Replacement of Right Knee Joint, Femoral Surface with Synthetic Substitute, Open Approach
- 0SRT0KZ Replacement of Right Knee Joint, Femoral Surface with Nonautologous Tissue Substitute, Open Approach
0SRU Lower Joints, Replacement5 codes
- 0SRU07Z Replacement of Left Knee Joint, Femoral Surface with Autologous Tissue Substitute, Open Approach
- 0SRU0J9 Replacement of Left Knee Joint, Femoral Surface with Synthetic Substitute, Cemented, Open Approach
- 0SRU0JA Replacement of Left Knee Joint, Femoral Surface with Synthetic Substitute, Uncemented, Open Approach
- 0SRU0JZ Replacement of Left Knee Joint, Femoral Surface with Synthetic Substitute, Open Approach
- 0SRU0KZ Replacement of Left Knee Joint, Femoral Surface with Nonautologous Tissue Substitute, Open Approach
0SRV Lower Joints, Replacement5 codes
- 0SRV07Z Replacement of Right Knee Joint, Tibial Surface with Autologous Tissue Substitute, Open Approach
- 0SRV0J9 Replacement of Right Knee Joint, Tibial Surface with Synthetic Substitute, Cemented, Open Approach
- 0SRV0JA Replacement of Right Knee Joint, Tibial Surface with Synthetic Substitute, Uncemented, Open Approach
- 0SRV0JZ Replacement of Right Knee Joint, Tibial Surface with Synthetic Substitute, Open Approach
- 0SRV0KZ Replacement of Right Knee Joint, Tibial Surface with Nonautologous Tissue Substitute, Open Approach
0SRW Lower Joints, Replacement5 codes
- 0SRW07Z Replacement of Left Knee Joint, Tibial Surface with Autologous Tissue Substitute, Open Approach
- 0SRW0J9 Replacement of Left Knee Joint, Tibial Surface with Synthetic Substitute, Cemented, Open Approach
- 0SRW0JA Replacement of Left Knee Joint, Tibial Surface with Synthetic Substitute, Uncemented, Open Approach
- 0SRW0JZ Replacement of Left Knee Joint, Tibial Surface with Synthetic Substitute, Open Approach
- 0SRW0KZ Replacement of Left Knee Joint, Tibial Surface with Nonautologous Tissue Substitute, Open Approach
0SU9 Lower Joints, Supplement1 code
- 0SU90BZ Supplement Right Hip Joint with Resurfacing Device, Open Approach
0SUA Lower Joints, Supplement1 code
- 0SUA0BZ Supplement Right Hip Joint, Acetabular Surface with Resurfacing Device, Open Approach
0SUB Lower Joints, Supplement1 code
- 0SUB0BZ Supplement Left Hip Joint with Resurfacing Device, Open Approach
0SUE Lower Joints, Supplement1 code
- 0SUE0BZ Supplement Left Hip Joint, Acetabular Surface with Resurfacing Device, Open Approach
0SUR Lower Joints, Supplement1 code
- 0SUR0BZ Supplement Right Hip Joint, Femoral Surface with Resurfacing Device, Open Approach
0SUS Lower Joints, Supplement1 code
- 0SUS0BZ Supplement Left Hip Joint, Femoral Surface with Resurfacing Device, Open Approach
0YM7 Anatomical Regions, Lower Extremities, Reattachment1 code
- 0YM70ZZ Reattachment of Right Femoral Region, Open Approach
0YM8 Anatomical Regions, Lower Extremities, Reattachment1 code
- 0YM80ZZ Reattachment of Left Femoral Region, Open Approach
0YMC Anatomical Regions, Lower Extremities, Reattachment1 code
- 0YMC0ZZ Reattachment of Right Upper Leg, Open Approach
0YMD Anatomical Regions, Lower Extremities, Reattachment1 code
- 0YMD0ZZ Reattachment of Left Upper Leg, Open Approach
0YMF Anatomical Regions, Lower Extremities, Reattachment1 code
- 0YMF0ZZ Reattachment of Right Knee Region, Open Approach
0YMG Anatomical Regions, Lower Extremities, Reattachment1 code
- 0YMG0ZZ Reattachment of Left Knee Region, Open Approach
0YMH Anatomical Regions, Lower Extremities, Reattachment1 code
- 0YMH0ZZ Reattachment of Right Lower Leg, Open Approach
0YMJ Anatomical Regions, Lower Extremities, Reattachment1 code
- 0YMJ0ZZ Reattachment of Left Lower Leg, Open Approach
0YMK Anatomical Regions, Lower Extremities, Reattachment1 code
- 0YMK0ZZ Reattachment of Right Ankle Region, Open Approach
0YML Anatomical Regions, Lower Extremities, Reattachment1 code
- 0YML0ZZ Reattachment of Left Ankle Region, Open Approach
0YMM Anatomical Regions, Lower Extremities, Reattachment1 code
- 0YMM0ZZ Reattachment of Right Foot, Open Approach
0YMN Anatomical Regions, Lower Extremities, Reattachment1 code
- 0YMN0ZZ Reattachment of Left Foot, Open Approach
XRRG New Technology, Joints, Replacement2 codes
Qualifying Diagnosis Codes
Frequently Asked Questions
What is MS-DRG 469?
MS-DRG 469 (Major Hip and Knee Joint Replacement or Reattachment of Lower Extremity with MCC or Total Ankle Replacement) is a surgical DRG in MDC 08 (Diseases & Disorders of the Musculoskeletal System & Connective Tissue). Its FY 2026 relative weight is 3.0332 with a geometric mean length of stay of 3.3 days.
How many procedure codes group to DRG 469?
184 ICD-10-PCS operating-room procedure codes group to this DRG.
What is the relative weight of DRG 469?
The FY 2026 relative weight of this DRG is 3.0332, meaning reimbursement of roughly 3.03 times the average Medicare inpatient case. Multiply by a hospital's blended base rate for the approximate payment.
