UA Little Rock School of Nursing – Core Laboratory Values

These flashcards cover the key normal laboratory values presented in the NURS 1202 Lab Value Sheet, organized for quick vocabulary-style review.

Red Blood Cell (RBC)

Normal range: 4.2–6.1 million/µL

Hemoglobin (Hgb) – Male

Normal range: 14–17.4 g/dL

Hemoglobin (Hgb) – Female

Normal range: 12–16 g/dL

Hematocrit (Hct) – Male

Normal range: 42–52 %

Hematocrit (Hct) – Female

Normal range: 36–48 %

White Blood Cell (WBC) Count

Normal range: 4,500–11,000 cells/mm³

Platelet Count

Normal range: 140,000–400,000 platelets/mm³

International Normalized Ratio (INR)

Normal range: 0.8–1.2

Prothrombin Time (PT)

Normal range: 11–13 seconds

Partial Thromboplastin Time (PTT)

Normal range: 21–35 seconds

Blood Glucose (Random)

Normal range: 60–100 mg/dL

Fasting Glucose

Normal range: 70–110 mg/dL

Sodium (Na⁺)

Normal range: 135–145 mEq/L

Potassium (K⁺)

Normal range: 3.5–5.0 mEq/L

Calcium (Ca²⁺)

Normal range: 8.8–10.5 mg/dL

Chloride (Cl⁻)

Normal range: 98–106 mEq/L

Magnesium (Mg²⁺)

Normal range: 0.75–1.07 mEq/L

Creatinine

Normal range: 0.6–1.2 mg/dL

Blood Urea Nitrogen (BUN)

Normal range: 8–20 mg/dL

Total Cholesterol

Desirable: < 200 mg/dL

Low-Density Lipoprotein (LDL)

Optimal: < 100 mg/dL

Triglycerides – Male

Normal range: 40–160 mg/dL

Triglycerides – Female

Normal range: 35–135 mg/dL

High-Density Lipoprotein (HDL) – Male

Desirable: > 40 mg/dL

High-Density Lipoprotein (HDL) – Female

Desirable: > 50 mg/dL

Arterial Blood Gas (ABG) pH

Normal range: 7.35–7.46

Arterial CO₂ (PaCO₂)

Normal range: 35–45 mm Hg

Bicarbonate (HCO₃⁻)

Normal range: 22–26 mEq/L

Arterial Oxygen (PaO₂)

Normal: > 80 mm Hg

Erythrocyte Sedimentation Rate (ESR)

Normal: < 30 mm/h