Yes. There's a long history here and the interplay between the diabetes, IBD, EPI, and a history of overreacting to insulin is causing a mess.
She was in remission, but was slowly losing weight. After a lot of expensive testing to rule out lymphoma, they concluded it was either the IBD or the EPI causing weight loss, and in addition to this enzyme, I was talked into supposedly low risk steroids for the IBD. Based on incorrect assurances that it would not affect her blood sugar, I started her on budesonide, which knocked her out of remission. She also recently had a minor tummy bug, which hasn't helped.
In a normal diabetic cat, I would agree that she clearly should be on insulin at these numbers, but she's just not normal. She was only on Lantus for a couple of weeks in the summer of 2017 before going into remission, and she almost died twice in a week from hypo -- her blood sugar can fall 300+ points from .5 units in under an hour.
The regular vet thinks insulin will kill her at home, even if I were able to monitor her much more closely than is possible working full time. So about two weeks ago, the regular vet sent us to an internal medicine specialist vet who hospitalized her to start Lantus. But then she dropped from 359 to ~200 while hospitalized without getting insulin. After four days of lower numbers and no symptoms, they sent her home.
They thought time (and perhaps antibiotics knocking out the tummy bug) had put her on the path towards remission without further intervention, but at home, she's back up and we're going in to the vet again tomorrow.