Coding "New-Onset" heart failure
We have received a denial for code I50.21 [Acute systolic (congestive) heart failure]. The only physician documentation that I can find in this record states, "New onset mild systolic congestive heart failure; left bundle branch block, mild left ventricular global hypokinesis." Also, I do not see the term "new onset" listed in the ICD-10-CM Alphabetic Index for heart failure nor in the Tabular List for this code. Am I missing something that the coder didn't? Or should a query have been sent for clarification?
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Usually however, new onset or the initial diagnosis IS most often made in a patient who is presenting in a decompensated and wet state, meaning that in many cases you don't have this conflict as it is both new on set and acutely severe at the initial diagnosis.
If they just discovered a chronic heart failure, then the fact that it is a "new diagnosis" doesn't mean it is "new onset", and you could just have chronic in that instance.
"New onset" when talking about heart failure is sort of a misonomer anyway. You could get acute new onset heart failure after a catastrophic event such as an MI, trauma, or maybe taksubo syndrome but those patients would almost always have clinical indicators for severity as well and you wouldn't be in this connundrum.
The notion that you can be sitting around at 2:00 with no heart failure, and then get new onset heart failure at 4:00 but without symptoms is something that simply doesn't happen in the real world....although this discussion may give me new onset heart failure and prove me wrong....
Ooopp...i just got new onset heart failure (30 seconds ago).. I'm fine though...really. (sounds ridiculous right??)