Maternal care for hydrops fetalis, third trimester, oth

This code signifies medical care provided to a pregnant patient in her third trimester due to hydrops fetalis affecting a fetus other than the primary one (e.g., in a multiple gestation pregnancy). Hydrops fetalis is a severe, life-threatening condition characterized by abnormal fluid accumulation in two or more fetal compartments. This specific code indicates that the hydrops is not impacting the designated "first" fetus.

Use this code when documentation clearly indicates maternal care for hydrops fetalis in a multiple gestation pregnancy, specifically affecting a fetus identified as "other" (e.g., second, third, etc.), and the pregnancy is in the third trimester. Supporting documentation should specify the trimester, the diagnosis of hydrops fetalis, and which fetus is affected.

• Always confirm the affected fetus (primary vs. other) in multiple gestations to ensure correct code assignment.
• Verify the trimester of pregnancy; codes for hydrops fetalis are trimester-specific.
• Sequence this code as a secondary diagnosis following the code for the specific type of multiple gestation (e.g., O30.0- for twin pregnancy).