That's because for speed I only store the most common 1500 ICD9 codes in memory ... If you have a good site we can use, I can create a chickenfoot page to do the lookup ...
osteoarthrosis. heh. osteoarthrosis is probably a better term than osteoarthritis, as OA isn't usually all that inflammatory. but no one uses arthrosis osteoa - is what I'll use.
