Maternal care for anti-D antibodies, second tri, fetus 5

This code signifies ongoing specialized medical management for a pregnant patient in her second trimester who has developed anti-D (Rh) antibodies, specifically when the fifth fetus is affected. This maternal sensitization can lead to hemolytic disease of the fetus and newborn (HDFN) if the fetus is Rh-positive. The care aims to monitor and mitigate potential risks to the fetus.

Assign this code when documentation confirms a pregnant patient in her second trimester is receiving care due to the presence of anti-D antibodies. This applies when the current pregnancy involves the fifth fetus. Supporting documentation should include serology results indicating anti-D antibodies, gestational age, and the parity of the current pregnancy.

• Ensure the documentation clearly specifies "second trimester" and that the current pregnancy is indeed the "fifth fetus" for accurate code assignment.
• Do not confuse this with codes for other types of maternal antibodies or for Rh incompatibility without confirmed antibody presence.
• Sequence this code as a primary diagnosis when the maternal care for anti-D antibodies is the primary reason for the encounter.