What type of delivery is indicated by the code Z3A?

The code Z3A is specifically used to indicate weeks of gestation, providing crucial information regarding the pregnancy duration. This code falls within the Z-codes in ICD-10-CM, which are primarily used for factors influencing health status and contact with health services.

In the context of obstetric coding, Z3A allows healthcare professionals to document the length of a pregnancy in weeks, which is important for monitoring the development of the fetus and assessing risks associated with pre-term or post-term deliveries. Accurate coding of weeks of gestation helps facilitate proper medical management and interventions if needed, based on the developmental stage of the pregnancy.

The other choices do not accurately represent the purpose of the Z3A code. Pre-term delivery refers to deliveries that take place before 37 weeks of gestation, while normal delivery generally implies a term delivery, typically between 37 and 42 weeks. Unsuccessful delivery pertains to situations where the outcome does not yield a live birth, which is not captured by the Z3A code. Therefore, Z3A effectively signifies the exact number of weeks into the gestation period, confirming that the primary function of this code is to denote gestational age.