Antepartum and Fetal Invasive Services
Amniocentesis
Code 59000: Amniocentesis; diagnostic. The physician aspirates fluid from the amniotic sac for diagnostic purposes.
If ultrasound guidance is used, code separately 76946.
Code 59001: The physician performs a therapeutic amniotic fluid reduction (includes ultrasound guidance).
Commonly performed for the treatment of polyhydramnios.
Cordocentesis
Code 59012: Blood is removed from fetal umbilical cord for diagnostic purposes.
Code 59015: for chorionic villus sampling. Used to determine chromosomal or genetic disorders in the fetus. It entails sampling of the chorionic villus (placental tissue) and testing it for chromosomal abnormalities.
Code 59020 is reported for fetal contraction stress test. Performed in the 3rd trimester.
Code 59030: Fetal scalp blood sampling.
Code 59050: Fetal monitoring during labor by consulting physician (i.e., non-attending physician) with written report; supervision and interpretation.
In 59051, the consultant initiates the monitoring, provides the analysis and interpretive report, but does not supervise the patient during labor.
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