Transient Leukemoid Reaction of the Newborn

**Semantic type:** Laboratory or Test Result

**Definition:** Increased white blood cell count and increased neutrophil precursors resembling leukemia in a neonate or fetus. Often, this is a response to medications received, infection or Down syndrome.

**Synonyms:** - Leukemoid Reaction of the Newborn - Transient Leukemoid Reaction of Newborn