with an operating ICD-9-CM codes for *Elective-Admission type # is recorded as room procedure. acute respiratory failure elective (Admission Type = 3). in any secondary Exclude cases: diagnosis field. with principal diagnosis of acute OR respiratory failure or secondary diagnosis present on admission Discharges among cases meeting the inclusion
with an operating room procedure. ICD-9-CM codes for acute respiratory failure in any secondary diagnosis field. OR Discharges among cases meeting the inclusion *Elective-Admission type # is recorded as elective (Admission Type = 3). Exclude cases: with principal diagnosis of acute respiratory failure or secondary diagnosis present on admission
MLR_1_1_2012_08_26_ROSEN_201519_SDC1.docx