This year's release has not gone well. It should be ready first thing tomorrow, Thursday, November 13, 2014, which is the latest we have ever released a grouper, and there is a known issue with the release (we are confident that the known issue will not matter to any of our customers, but we feel the need to document it none the less.)
First, we had to dust off our ICD9 technology which we had expected to have retired by now. Many aspects of this technology are different and out of date and resurrecting the development environment was more challenging than we had expected.
Then our lead engineer ended up in the hospital for a week just before our big release push, which has us scrambling do to the release. This caused the initial delay.
Finally, after the programming was done, our QA testing turned up the following issue: while our DRG Assignment Engine (DAE) returns the correct DRG in all test cases, sometimes it does not return the expected error code.
Specifically, our DAE does not distinguish shares of Hospital Acquired Condition (HAC) errors; it returns 9 when sometimes the CMS grouper returns 9, 11 or 15. So if you need to know more precisely how the HAC rules were violated, we currently cannot help you.
(If we discover from customer feedback that we are wrong and these distinctions matter, we will do a release to replicate the CMS error handling.)
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