Which laboratory result for a client at 33 weeks of gestation with preeclampsia should be reported due to concern for worsening condition?

In a pregnant client at 33 weeks of gestation diagnosed with preeclampsia, monitoring kidney function is crucial, as preeclampsia can lead to renal impairment. Blood urea nitrogen (BUN) levels are an important indicator of kidney function. A BUN level of 35 mg/dL is elevated and indicates potential acute kidney injury or worsening renal function. Generally, in healthy individuals, normal BUN levels range from approximately 7 to 20 mg/dL. Thus, this elevated BUN suggests the need for immediate evaluation and intervention, as it reflects possible deterioration in the mother's condition, which could have serious implications for both maternal and fetal health.

Other laboratory results provided do not signify an immediate concern in the context of preeclampsia. Hemoglobin levels of 15 mg/dL, while something to monitor, can be considered within a normal range or not alarming in pregnancy. A bilirubin level of 0.6 mg/dL falls well within normal limits and does not indicate any liver dysfunction or hemolysis, while a hematocrit level of 37% also typically falls within a normal range for a pregnant individual. Therefore, the most concerning result that needs to be reported and acted upon is