Review Question - QID 214222

A 34-year-old G5P1021 woman at 12 weeks of gestation presents to the office for a routine prenatal visit. She has no significant medical history except for 2 spontaneous abortions at 10 and 9 weeks of gestation, respectively. Currently, she endorses breast tenderness and mild morning sickness. A transvaginal ultrasound reveals an intrauterine pregnancy with normal fetal heart tones. The patient is taking prenatal vitamins and folic acid and exercises 3 times a week. A physical examination is largely unremarkable except for skin findings shown in Figure A. Her laboratory studies are shown below.

Hemoglobin: 11.2 g/dL
Hematocrit: 35%
Leukocyte count: 7,600 /mm^3 with normal differential
Platelet count: 136,000 /mm^3

Serum:
Na+: 137 mEq/L
Cl-: 101 mEq/L
K+: 4.2 mEq/L
HCO3-: 24 mEq/L
BUN: 16 mg/dL
Glucose: 105 mg/dL
Creatinine: 1.0 mg/dL
Thyroid-stimulating hormone: 3.2 µU/mL
Ca2+: 8.5 mg/dL
AST: 9 U/L
ALT: 11 U/L
PTT: 48
PT: 12

What is the most specific laboratory findings for this patient’s condition?