A patient is documented with 'hypertensive heart disease with heart failure.' Under ICD-10-CM, what is the coding convention that applies?
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A
A cause-and-effect relationship between hypertension and heart failure is assumed and coded with a combination code
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B
Hypertension and heart failure must be coded separately unless the physician explicitly links them
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C
Heart failure is coded as the principal diagnosis and hypertension as a secondary condition without a combination code
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D
The combination code only applies when systolic heart failure is documented