A patient was admitted to the hospital with a diagnosis of congestive heart failure exacerbation. The patient also has a history of hypertension and diabetes mellitus type 2. During the hospitalization, the patient received IV furosemide and IV potassium. The patient was discharged on oral furosemide and insulin. What is the correct code assignment for this case?
A: The correct code assignment for this case would be:
- I50.9 (Congestive heart failure, unspecified)
- I10 (Essential hypertension)
- E11.9 (Type 2 diabetes mellitus without complications)
- Z79.4 (Long-term (current) use of insulin)
- Z79.899 (Other long-term (current) drug therapy)
Rationale:
- The patient was admitted to the hospital with a diagnosis of congestive heart failure exacerbation, which is coded as I50.9.
- The patient has a history of hypertension, which is coded as I10.
- The patient has a history of diabetes mellitus type 2, which is coded as E11.9.
- The patient was discharged on oral furosemide and insulin, which are coded as Z79.4 and Z79.899, respectively.