A patient diagnosed with acute on chronic diastolic congestive heart failure is assigned which ICD-10-CM code?

The assignment of I50.33 as the appropriate ICD-10-CM code corresponds specifically to "Acute on chronic diastolic heart failure." In terms of coding for heart failure, ICD-10-CM provides detailed classifications that reflect both the type of heart failure and whether it is acute or chronic.

The code I50.33 captures the idea of a patient experiencing an exacerbation of their chronic condition, indicating that while the patient has a long-standing issue with diastolic heart failure, there has been an acute worsening of this condition. This distinction is important in clinical practice for ensuring that the patient's current health status is accurately documented and managed.

In contrast, the other codes are not suitable for indicating acute on chronic diastolic heart failure. Some may pertain to different specific scenarios, such as other types of heart failure or chronic failure without acute exacerbation, which do not accurately represent this patient's diagnosis.