Healthcare · Customer story
HealthNet reduces 30-day readmissions by 22%
A hospital network used relational ML to identify high-risk discharges before they left the ward.
Outcome: 22% reduction in 30-day readmissions on flagged patients
Published March 22, 2026
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The challenge
HealthNet’s care-coordination team was prioritizing post-discharge follow-up based on a simple risk score. It missed complex cases where risk emerged from the combination of diagnoses, medications, and prior admissions — exactly the kind of signal a relational model can learn.
The Langsat approach
- Trained on de-identified EHR data across 8 hospitals
- Model consumes the graph of patients, encounters, diagnoses, and prescriptions
- Output feeds the care team’s existing discharge dashboard
Outcomes
- 22% fewer 30-day readmissions among flagged patients
- Care coordinators now see a risk driver breakdown, not just a score
- HIPAA-compliant deployment in customer’s private AWS account
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