LACE Index for 30-Day Readmission / Death
LACE index (van Walraven 2010): length of stay (banded), acute admission (3), Charlson comorbidity (banded), and ED visits in the prior 6 months (capped at 4); 30-day death / unplanned-readmission risk band.
Open the tool → Runs in your browser. Data leaves only if you deliberately send a problem report from the interactive tool.
Example
- Length of stay
- 3 days
- Acute (emergent) admission
- No
- Charlson Comorbidity Index
- 0
- ED visits in the prior 6 months
- 0
Result: LACE 3 - low risk of 30-day death or unplanned readmission per van Walraven 2010 Figure 2.
The tool opens with these values already filled in. Replace them with your own.
What the result means
- 0-4
- Low risk of 30-day death or unplanned readmission per van Walraven 2010 Figure 2.
- 5-9
- Moderate risk of 30-day death or unplanned readmission per van Walraven 2010 Figure 2.
- >=10
- High risk of 30-day death or unplanned readmission per van Walraven 2010 Figure 2.
What you enter
- Length of stay
- Acute (emergent) admission (3 points)
- Charlson Comorbidity Index (banded)
- ED visits in the prior 6 months (capped at 4 points)
How this is calculated
van Walraven C, Dhalla IA, Bell C, et al. Derivation and validation of an index to predict early death or unplanned readmission after discharge from hospital to the community. CMAJ. 2010;182(6):551-557. Read the source ↗
A reference and educational tool. Not medical, legal, or financial advice, and not a substitute for clinician judgment.