Question: Our patient has a principal diagnosis of congestive heart failure (CHF). She also has coronary artery disease (CAD), hypertension (HTN) and emphysema. She is using oxygen intermittently. How should we code for her?
Answer: List the following diagnoses for this patient:
- 428.0 (Congestive heart failure, unspecified);
- 492.8 (Other emphysema);
- 401.9 (Unspecified Essential hypertension);
- 414.00 (Coronary atherosclerosis; of unspecified type of vessel, native or graft); and
- V46.2 (Dependence on supplemental oxygen).
Your patient’s principal diagnosis is CHF, you don’t have additional details about this diagnosis, so 428.0 for CHF unspecified is your first-listed code.
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