This measure calculates a casemix-adjusted inpatient average length of stay (ALOS) for medical and surgical admissions for Commercial and Medicare populations. The measure can be reported at the hospital level or the service category level (medical vs. surgical).
Measure Specs
General Information
Numerator
The numerator is the number of acute medical and surgical inpatient days associated with the admissions included in the denominator.
Denominator
The denominator includes medical and surgical admissions to acute care hospitals for Commercial or Medicare populations.
Exclusions
Exclusions:
1. Discharged with admission and/or discharge date missing or not valid
2. Obstetric, NICU, Transplants, Mental Health, and Substance Abuse (as defined by the APR-DRG or MS-DRG grouping logic);
3. MS-DRG weight or APR-DRG weight missing;
4. Skilled nursing facility (SNF) admissions;
5. Admissions with ALOS > Mean + 3 STD calculated at the APR-DRG/MS-DRG level
Public Comments