Hydrops fetalis not due to hemolytic disease

This code signifies abnormal fluid accumulation in at least two fetal compartments (e.g., ascites, pleural effusion, pericardial effusion, skin edema) that is not caused by Rh incompatibility or other hemolytic conditions. It represents a severe, non-immune form of fetal hydrops, often indicative of underlying structural anomalies, genetic disorders, or infections.

Apply this code when documentation clearly states "hydrops fetalis" and explicitly rules out hemolytic disease as the cause. This diagnosis is typically made via prenatal ultrasound or postnatal examination. Supporting documentation includes imaging reports detailing fluid accumulation and laboratory results confirming the absence of immune-mediated hemolytic processes.

• Always review the medical record to confirm the non-immune etiology of hydrops; if immune-mediated, a different code is required.
• Code any underlying congenital anomalies or genetic conditions identified as the cause of the non-immune hydrops.
• Do not use this code if the hydrops is a symptom of another clearly defined condition that has its own specific code for hydrops (e.g., certain cardiac malformations with associated hydrops).