Fetal anemia and thrombocytopenia, second trimester, fetus 3

This code signifies the presence of anemia and/or thrombocytopenia in the third fetus of a multiple gestation pregnancy during the second trimester. These conditions indicate a deficiency in red blood cells or platelets, respectively, affecting the developing fetus.

This code is appropriate when diagnostic testing, such as fetal blood sampling or ultrasound findings, confirms anemia and/or thrombocytopenia in the third fetus of a multifetal pregnancy between 14 weeks 0 days and 27 weeks 6 days gestation. Documentation should clearly specify the affected fetus and the trimester of diagnosis.

• Ensure the documentation explicitly identifies the third fetus as the affected one in a multiple gestation.
• Verify the gestational age falls within the second trimester (14-27 weeks).
• Do not use this code if only one of the conditions (anemia or thrombocytopenia) is present; use more specific codes if available, or if the documentation only supports one condition.