Performance Measurement Network

Question: Is admission day counted as day 1 for STK-1?

This is follow up to a prior question: "Patient Ambulatory At End of Hospital Day 2";.

Is the day of Admission or day of Arrival counted as Day 1?


For patients discharged prior to October 1, 2009

Under the current measure specifications for STK-1: DVT Prophylaxis, (i.e., Stroke Performance Measurement Implementation Guide, 2nd Edition, Version 2.a, count the day of hospital arrival as Day 1 and the day after hospital arrival as Day 2.

For patients discharged on or after October 1, 2009

This measure has been aligned with the measure VTE-1: VTE Prophylaxis - Hospital Admission, and titled STK-1: VTE Prophylaxis for inclusion in the Specifications Manual for National Hosptial Quality Measures, Version 3.0b effective with discharges on or after October 1, 2009 ( With this version of the measure specifications, count the day of hospital admission as Day 1 and the day following hospital admission as Day 2.

Question Details
Focus area(s): Chart Abstracted Measure Specifications – Clinical
Related documents: STK,

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