A municipal ED coder abstracts an encounter in which the patient presented with chest pain that was evaluated and ruled out as cardiac; the ED physician’s final impression is gastroesophageal reflux disease (GERD). Which diagnosis assignment approach is correct?
Select an answer to reveal the explanation.
Short Explanation
Chief complaint is the doorbell ring; the ED physician’s final impression is what the visit actually was. When chest pain is worked up and the final call is GERD, you code that documented impression—not forever-chest-pain just because that’s how they walked in.
Full Explanation
Emergency department diagnosis coding uses the treating provider’s documented final impression for the encounter. Presenting symptoms may be coded when no more definitive diagnosis is established, but once the ED physician documents a confirmed or more specific impression such as GERD after ruling out cardiac causes, that documentation guides code assignment rather than leaving the case at an undifferentiated symptom when etiology is stated.