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What is the ICD-10-CM code for a patient with hypertension and diabetes?

  1. HYP1

  2. E11.9

  3. I10

  4. E08.22

The correct answer is: E08.22

The ICD-10-CM code that accurately reflects a patient with both hypertension and diabetes is E08.22, as it specifically indicates a diagnosis of diabetes mellitus due to an underlying condition with the complication of hypertension. E08 codes are associated with diabetes caused by other specified conditions, and the specific code E08.22 denotes diabetes mellitus due to an unspecified condition with diabetic hypertension as a complication. This coding is important for capturing both the diabetes and its associated hypertension in the medical record, thus ensuring proper risk adjustment and reimbursement. In contrast, other choices do not reflect the combination of these two conditions appropriately or lack the specificity needed for an accurate diagnosis. For example, E11.9 refers to type 2 diabetes without complications, while I10 represents essential hypertension alone without mentioning diabetes. HYP1 does not correspond to a valid ICD-10-CM code. Therefore, E08.22 is the correct choice to ensure that both diabetes and its complication of hypertension are accurately recorded.