Maternal care for oth fetal problems, third tri, fetus 4

This code signifies ongoing maternal medical management and monitoring during the third trimester due to a specific, non-routine fetal issue affecting the fourth fetus in a multiple gestation pregnancy. This includes situations where the mother is receiving specialized care for a condition identified in fetus 4 that is not covered by more specific O36 codes.

This code is appropriate when documentation indicates maternal care for a precisely identified fetal problem in the fourth fetus during the third trimester, such as fetal arrhythmia, non-immune hydrops, or a specific structural anomaly, that requires specialized maternal surveillance or intervention. The medical record must clearly specify the fetal problem and its impact on the mother's care.

• Ensure the documentation explicitly identifies the "fourth fetus" in a multiple gestation.
• Verify the fetal problem is "other specified" and not covered by a more specific O36 subcategory.
• Confirm the encounter occurs during the third trimester (28 weeks gestation to delivery).