Maternal care for anti-D antibodies, unsp trimester, unsp

This code signifies that a pregnant patient is receiving specialized prenatal care due to the presence of anti-D (Rh) antibodies. This condition, also known as Rh sensitization, occurs when an Rh-negative mother is exposed to Rh-positive fetal blood, leading to the production of antibodies that can harm subsequent Rh-positive fetuses. The "unspecified trimester" and "not applicable or unspecified" indicate that the specific trimester of care or the applicability of the trimester is not documented.

Use this code when documentation indicates a pregnant patient is being managed for Rh isoimmunization, but the medical record does not specify the trimester in which this care is being provided or if the trimester is not relevant to the specific encounter. This would typically be used for initial evaluations, ongoing monitoring, or consultations related to anti-D antibodies when the trimester is not explicitly stated.

• Ensure documentation clearly states "anti-D antibodies" or "Rh isoimmunization" and that the patient is pregnant.
• Avoid using this code if the trimester of care is clearly documented; instead, select a more specific O36.01- code.
• This code is for maternal care for the condition, not for the condition itself (which would be found in Chapter 16, P00-P96, if affecting the fetus).