Maternal care for excess fetal growth, first tri, fetus 2

This code signifies a pregnancy where the fetus is growing larger than expected for gestational age, specifically identified during the first trimester. This condition, often referred to as macrosomia or large for gestational age (LGA), can indicate potential complications for both mother and fetus.

Apply this code when documentation explicitly states maternal care is being provided for excessive fetal growth, and the diagnosis was established during the first trimester of a twin pregnancy, specifically for the second fetus. Supporting documentation would include ultrasound reports showing fetal biometry exceeding the 90th percentile for gestational age, along with a clear indication of the trimester and fetal number.

• Ensure the documentation specifies "first trimester" and "fetus 2" to accurately assign this code.
• Do not use this code if the excessive growth is due to a specific fetal anomaly; instead, code the anomaly.
• Sequence this code after any definitive diagnosis of the underlying cause of excessive fetal growth, if known (e.g., gestational diabetes).