Maternal care for hydrops fetalis, third trimester, fetus 2

This code signifies ongoing medical supervision and management provided to a pregnant patient in her third trimester due to the diagnosis of hydrops fetalis affecting the second fetus in a multiple gestation pregnancy. Hydrops fetalis is a severe, life-threatening condition characterized by abnormal fluid accumulation in two or more fetal compartments, such as ascites, pleural effusion, pericardial effusion, or skin edema.

This code is used when a pregnant patient in her third trimester is receiving care specifically for hydrops fetalis identified in the second fetus. Documentation should clearly indicate the gestational age (third trimester), the diagnosis of hydrops fetalis, and specify that it affects the second fetus in a multiple gestation.

• Always confirm the specific fetus affected in multiple gestations; incorrect fetus assignment is a common error.
• Ensure documentation explicitly states "third trimester" for accurate code selection.
• Sequence this code as a secondary diagnosis when the primary reason for the encounter is related to the management of the hydrops fetalis.