PSI Name and Brief Definition from PSI Guide
| # | PSI Name (n = 23) | Definition |
|---|---|---|
| 1 | Complications of Anesthesia (PSI 1) |
Cases of anesthetic overdose, reaction, or endotrachial tube misplacement per 1,000 surgery discharges. Excludes codes for drug use and self-inflicted injury. |
| 2 | Death in Low Mortality DRGs (PSI 2) | In-hospital deaths per 1,000 patients in DRGs with less than 0.5% mortality.a Excludes trauma, immuno-compromised, and cancer patients. |
| 3 | Decubitus Ulcer (PSI 3) | Cases of decubitus ulcer per 1,000 discharges with a length of stay of 5 or more days. Excludes patients with paralysis or in MDC 9, obstetrical patients in MDC 14, and patients admitted from a long-term care facility. |
| 4 | Failure to Rescue (PSI 4) |
Deaths per 1,000 patients having developed specified complications of care during hospitalization. Excludes patients age 75 and older, neonates in MDC 15, patients admitted from long-term care facility and patients transferred to or from other acute care facility. |
| 5 | Foreign Body Left During Procedure (PSI 5) |
Discharges with foreign body accidentally left in during procedure per 1,000 discharges |
| 6 | Iatrogenic Pneumothorax (PSI 6) | Cases of iatrogenic pneumothorax per 1,000 discharges. Excludes trauma, thoracic surgery, lung or pleural biopsy, or cardiac surgery patients, and obstetrical patients in MDC 14. |
| 7 | Selected Infections Due to Medical Care (PSI 7) | Cases of secondary ICD-9-CM codes 9993 or 00662 per 1,000 discharges. Excludes patients with immunocompromised state or cancer. |
| 8 | Postoperative Hip Fracture (PSI 8) |
Cases of in-hospital hip fracture per 1,000 surgical discharges. Excludes patients in MDC 8, with conditions suggesting fracture present on admission and obstetrical patients in MDC 14. |
| 9 | Postoperative Hemorrhage or Hematoma (PSI 9) |
Cases of hematoma or hemorrhage requiring a procedure per 1,000 surgical discharges. Excludes obstetrical patients in MDC 14. |
| 10 | Postoperative Physiologic and Metabolic Derangement (PSI 10) |
Cases of specified physiological or metabolic derangement per 1,000 elective surgical discharges. Excludes patients with principal diagnosis of diabetes and with diagnoses suggesting increased susceptibility to derangement. Excludes obstetric admissions. |
| 11 | Postoperative Respiratory Failure (PSI 11) |
Cases of acute respiratory failure per 1,000 elective surgical discharges. Excludes MDC 4 and 5 and obstetric admissions. |
| 12 | Postoperative PE or DVT (PSI 12) |
Cases of deep vein thrombosis or pulmonary embolism per 1,000 surgical discharges. Excludes obstetric patients. |
| 13 | Postoperative Sepsis (PSI 13) |
Cases of sepsis per 1,000 elective surgery patients, with length of stay more than 3 days. Excludes principal diagnosis of infection, or any diagnosis of immunocompromised state or cancer, and obstetric admissions. |
| 14 | Postoperative Wound Dehiscence (PSI 14) |
Cases of reclosure of postoperative disruption of abdominal wall per 1,000 cases of abdominopelvic surgery. Excludes obstetric admissions. |
| 15 | Accidental Puncture or Laceration (PSI 15) |
Cases of technical difficulty (e.g., accidental cut or laceration during procedure) per 1,000 discharges. Excludes obstetric admissions. |
| 16 | Transfusion Reaction (PSI 16) |
Cases of transfusion reaction per 1,000 discharges. |
| 17 | Birth Trauma― Injury to Neonate (PSI 17) |
Cases of birth trauma, injury to neonate, per 1,000 liveborn births. Excludes some preterm infants and infants with osteogenic imperfecta. |
| 18 | Obstetric Trauma― Vaginal Delivery with Instrument (PSI 18) |
Cases of obstetric trauma (4th degree lacerations, other obstetric lacerations) per 1,000 instrument-assisted vaginal deliveries. |
| 19 | Obstetric Trauma― Vaginal Delivery without Instrument (PSI 19) |
Cases of obstetric trauma (4th degree lacerations, other obstetric lacerations) per 1,000 vaginal deliveries without instrument assistance. |
| 20 | Obstetric Trauma― Cesarean Delivery (PSI 20) |
Cases of obstetric trauma (4th degree lacerations, other obstetric lacerations) per 1,000 Cesarean deliveries. |
| 21 | Obstetric Trauma with 3rd Degree ―Vaginal Delivery with Instrument (PSI 27) |
Cases of obstetric trauma (3rd and 4th degree lacerations, other obstetric lacerations) per 1,000 instrument-assisted vaginal deliveries. |
| 22 | Obstetric Trauma with 3rd Degree ―Vaginal Delivery without Instrument (PSI 28) |
Cases of obstetric trauma (3rd and 4th degree lacerations, other obstetric lacerations) per 1,000 vaginal deliveries without instrument assistance. |
| 23 | Obstetric Trauma with 3rd Degree ― Cesarean Delivery (PSI 29) |
Cases of obstetric trauma (3rd and 4th degree lacerations, other obstetric lacerations) per 1,000 Cesarean deliveries. |
