Blog
Insights on health IBNR reserving, actuarial methods, and the IBNR Health platform.
What is IBNR?
IBNR reserves account for the gap between what an insurer has already paid and what it will ultimately owe for services already rendered. Here's what the term means, who needs these reserves, and why they sit at the center of health actuarial work.
June 26th, 2026The IBNR Health Team6 min read
Getting Started
A walkthrough of the essential steps to begin using IBNR Health, from loading triangle or columnar data to generating your first reserve estimate.
June 26th, 2026The IBNR Health Team3 min read
Introduction
IBNR Health is a reserving platform built from real-world actuarial experience. Learn how it streamlines the end-to-end health reserving workflow, from raw data ingestion to final estimates and reporting.
June 26th, 2026The IBNR Health Team4 min read
The Completion Factor Method
The completion factor method is the most widely used approach for estimating healthcare IBNR reserves. This deep dive walks through each step, from building a lag triangle to selecting development factors and projecting reserves.
June 26th, 2026The IBNR Health Team16 min read