What is the ICD-10-CM code for a fetal death at 21 weeks of gestation?

• A. O36.4XX0, Z3A.21
• B. O36.63X0, Z3A.40
• C. O03.37, R65.21
• D. N42.31

Answer: (A)

The appropriate ICD-10-CM code for a fetal death at 21 weeks of gestation combines two codes: one indicating the specific condition related to the fetal death and the other reflecting the gestational age at which the death occurred. The first part of the correct answer, which indicates the fetal death, falls within the range that describes complications of pregnancy, specifically under the category for maternal care for problems associated with the fetus.

The second code, Z3A.21, specifically represents the gestational age of 21 weeks. This structure is essential for accurately capturing the clinical scenario, as codifying both the event (fetal death) and the gestational age provides a complete clinical picture. Such thorough documentation is vital for healthcare systems, insurance claims, and future medical care planning.

The codes in the other choices do not correspond accurately to a fetal death at 21 weeks. Some of them may relate to different conditions or gestational periods, thus failing to meet the specific requirements of properly identifying a fetal death in the context of pregnancy care.