File Name: PPS Standardizing File Remarks: This is the file that is used to standardize the charges in building the Relative Weights. It is created at the same time the Provider Specific File is and is used in the AOR/BOR runs. A new file is created for each ,the NPRM and for the Final Rules. The records are in provider number sequence, it is possible to have missing values in some records. Field Name Field Size Positions Beg. End Contents 1. Prov 6 01 06 Provider Number 2. WIDX 6 08 13 Wage Index for hospital based on MSA- 3. COLA 9 4 15 18 Cost of Living 4. IME 5 20 24 Resident to Bed Ratio - Indirect Medical Education. 5. DSH 4 26 29 Disproportionate Share Ratio 6. OPCCR 4 31 34 Operating Cost to Charge Ratio 7. CMI 6 36 41 Vers. 19 - case mix index. 8. CASES 5 43 47 Number of cases used in building the case mix 9. MSA 4 49 52 Final reclassified MSA assigned.