Maternal care for Anti-A sensitization, unsp tri, fetus 1

This code signifies that a pregnant patient is receiving medical attention due to the presence of anti-A antibodies, which can lead to hemolytic disease of the fetus and newborn (HDFN). This specific code indicates that the trimester of gestation is not documented, and the condition pertains to the first fetus in a multiple gestation pregnancy or is simply the only fetus.

Use this code when a pregnant patient has been identified with anti-A sensitization, and the medical record does not specify the trimester of pregnancy. This typically occurs when initial screening tests (e.g., indirect Coombs test) are positive for anti-A antibodies, prompting further monitoring and management. Documentation should clearly state the presence of anti-A antibodies and the need for maternal care related to this sensitization.

• Ensure documentation explicitly states "anti-A sensitization" or "anti-A antibodies" as the reason for maternal care.
• Avoid using this code if the specific trimester is known; instead, select the appropriate trimester-specific code (O36.111-, O36.112-, O36.113-).
• This code is for the maternal condition and care; codes for fetal conditions (e.g., hydrops fetalis) would be coded separately.