ICD9 to ICD10 Conversion Tool


A large healthcare provider had a complex system of ICD9 codes in their diagnosis database, and needed to upgrade and migrate this data to the new ICD10 standard which was being enforced as of October 2015.

The company hired Unstoppable Software to build a tool that would manage and automate this migration based on defined rules.


We developed Windows based desktop application that converted the ICD9 codes to their ICD10 counterparts, a process which, compared to the option of manually entering codes (which is what had been done previously) saved approximately 3-4 months of effort for a team of 5 employees.


Healthcare Provider

Project Budget


Project Timeframe

2 months of development time

Estimated ROI

Saved approximately 3-4 months of effort for a team of 5 employees, or around $70,000 – $90,000 of savings

Technologies Used

.NET Windows Forms, C#, SQL Server, SSRS

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