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. Author manuscript; available in PMC: 2023 Apr 12.
Published in final edited form as: Am J Surg. 2019 Nov 14;220(1):222–228. doi: 10.1016/j.amjsurg.2019.11.019

Table 2.

PSI 11 diagnosis and procedure code criteria for the 437 total records flagged positive by the indicator.

PSI 11 Numerator Criteria, n (%) All Flagged Records (n = 437) True Positives Coding (n=434) False Positives Coding (n = 3) True Positives Clinical (n=414) False Positives Clinical (n = 23)

Diagnosis code only (518.51, 518.53) 94 (21.5) 91 (21.0) 3 (100) 88 (21.3) 6 (26.1)
Procedure code only (96.72, 96.71, 96.70, 96.04) 217 (49.7) 217 (50.0) 0 (0) 201 (48.6) 16 (69.6)
Diagnosis code (518.51, 518.53) and Procedure code (96.72, 96.71, 96.70, 96.04) 126 (28.8) 126 (29.0) 0 (0) 125 (30.2) 1 (4.3)
Total 437 434 3 414 23

Key.

518.51: Acute Respiratory Failure Following Trauma and Surgery.

518.53: Acute and Chronic Respiratory Failure Following Trauma and Surgery.

96.70: Continuous Mechanical Ventilation of Unspecified Duration.

97.71: Continuous Mechanical Ventilation for Less Than 96 Consecutive Hours.

96.72: Continuous Mechanical Ventilation for 96 Consecutive Hours or More.

96.04: Insertion of Endotracheal Tube.