Morse Fall Scale Calculator — Hospital Fall Risk Assessment
Assess a patient's fall risk using the validated Morse Fall Scale — score six clinical criteria to classify risk as Low (0–24), Medium (25–44), or High (≥45).
History of falling (past 3 months)
Secondary diagnosis
Ambulatory aid
IV therapy or heparin lock
Gait
Mental status
Total score — 0 to 125 possible points
- 1
History of falling + Secondary diagnosis
0 + 0 = 0 - 2
Ambulatory aid + IV therapy
0 + 0 = 0 - 3
Gait + Mental status
0 + 0 = 0 - 4
Total Morse Fall Scale Score
0 + 0 + 0 = 0
How does this calculator work?
The Morse Fall Scale scores six clinical factors (total 0–125): history of falling (25 pts), secondary diagnosis (15 pts), ambulatory aid (0/15/30 pts), IV line (20 pts), gait quality (0/10/20 pts), and mental orientation (0/15 pts). Scores 0–24 = low risk, 25–44 = medium, ≥45 = high. Validated for adult in-patient settings; clinical judgement always takes precedence.
Formula
How this is calculated
The Morse Fall Scale (MFS) was developed by Janice Morse in the 1980s and is now one of the most widely used fall-risk screening tools in acute-care hospitals worldwide. It rates six factors — prior falling history, number of diagnoses, type of walking aid, presence of an IV or heparin lock, gait quality, and the patient's insight into their own limitations — and sums the weighted scores into a total between 0 and 125.
Each factor is independently associated with fall risk in the original validation research. A prior history of falling carries the highest single weight (25 points) because it is the strongest predictor of a subsequent fall. Using furniture to steady oneself (30 points) signals compensatory instability beyond what a prescribed aid would address, while an impaired gait pattern (20 points) reflects a direct biomechanical hazard. An IV line (20 points) tethers the patient and creates a trip risk.
Score thresholds: 0–24 = Low risk (standard nursing care precautions); 25–44 = Medium risk (activate standard fall-prevention protocol); ≥45 = High risk (implement high-intensity fall-prevention measures). These cut-points are evidence-based guidelines — clinical judgement, institutional policy, patient-specific factors, and local protocol always take precedence over the numeric score alone.
Frequently asked questions
The MFS is typically completed by a registered nurse on admission, after any fall, after a significant change in the patient's clinical status, and at regular reassessment intervals set by institutional policy. It is a screening instrument, not a diagnostic tool.
A secondary diagnosis means the patient has more than one medical diagnosis listed on the chart. Multiple concurrent diagnoses indicate greater medical complexity, more medications, and a higher general fall risk.
The MFS was validated in adult in-patient hospital settings. It may not be appropriate for paediatric patients, psychiatric units, or community and long-term care settings, where alternative tools (STRATIFY, HDSI, STEADI, etc.) may better fit the population.
Also known as
TG we-Calculate Editorial Team. (2026). Morse Fall Scale Calculator — Hospital Fall Risk Assessment [Online calculator]. TG we-Calculate. https://we-calculate.com/calculator/morse-fall-scale-calculator
TG we-Calculate Editorial Team. "Morse Fall Scale Calculator — Hospital Fall Risk Assessment." TG we-Calculate. 2026. https://we-calculate.com/calculator/morse-fall-scale-calculator.
TG we-Calculate Editorial Team, "Morse Fall Scale Calculator — Hospital Fall Risk Assessment," TG we-Calculate, 2026. [Online]. Available: https://we-calculate.com/calculator/morse-fall-scale-calculator
@misc{wecalculate_morse_fall_scale_calculator, title = {Morse Fall Scale Calculator — Hospital Fall Risk Assessment}, author = {{TG we-Calculate Editorial Team}}, howpublished = {\url{https://we-calculate.com/calculator/morse-fall-scale-calculator}}, year = {2026}, note = {TG we-Calculate} }
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