Maternal care for excess fetal growth, third trimester, unsp

This diagnosis code signifies ongoing maternal medical management and monitoring during the third trimester due to a fetus exhibiting excessive growth. This includes conditions such as fetal macrosomia or large for gestational age (LGA) where the estimated fetal weight is above the 90th percentile for gestational age. The maternal care is specifically focused on addressing the potential complications associated with an overly large fetus.

Apply this code when documentation indicates maternal care for a fetus with suspected or confirmed excessive growth during the third trimester. This includes scenarios where the provider is monitoring for complications like shoulder dystocia, birth trauma, or gestational diabetes-related fetal overgrowth. Documentation should clearly state "excessive fetal growth," "macrosomia," or "large for gestational age" in the third trimester.

• This code requires a secondary code to specify the underlying cause of the excessive fetal growth, such as gestational diabetes (O24.4-) or pre-existing diabetes (O24.0-O24.3).
• Do not use this code if the excessive fetal growth is identified in the first or second trimester; use the appropriate trimester-specific code (O36.61X0 or O36.62X0).
• Ensure the medical record explicitly states "third trimester" or the gestational age falls within the third trimester (28 weeks to delivery) for accurate application.