Lab Values Cheat Sheet: Normal Ranges & Clinical Implications

Lab Values Cheat Sheet: Normal Ranges & Clinical
Implications
65 Questions with Verified Answers


Table of Contents
1. Quick Reference Tables
2. Hematology Values
3. Chemistry Panel
4. Cardiac Markers
5. Liver Function Tests
6. Renal Function Tests
7. Endocrine Tests
8. Arterial Blood Gas (ABG)
9. Practice Questions


Quick Reference Tables {#quick-reference}
Complete Blood Count (CBC)
Test Normal Range Units

Male: 14-18
Hemoglobin (Hgb) g/dL
g/dL<br>Female: 12-16 g/dL

Male: 42-52%<br>Female:
Hematocrit (Hct) %
37-47%

,Test Normal Range Units

Red Blood Cells Male: 4.7-6.1<br>Female:
million/mcL
(RBC) 4.2-5.4

White Blood Cells
5,000-10,000 cells/mcL
(WBC)

Platelets 150,000-450,000 cells/mcL

Mean Corpuscular
80-100 fL
Volume (MCV)
Basic Metabolic Panel (BMP)
Test Normal Range Units

Sodium (Na+) 136-145 mEq/L

Potassium (K+) 3.5-5.0 mEq/L

Chloride (Cl-) 98-107 mEq/L

CO2 (Bicarbonate) 22-28 mEq/L

BUN 10-20 mg/dL

Creatinine Male: 0.7-1.3<br>Female: 0.6-1.1 mg/dL

Glucose (Fasting) 70-100 mg/dL
Liver Function Tests
Test Normal Range Units

ALT (SGPT) 10-40 U/L

AST (SGOT) 10-40 U/L

, Test Normal Range Units

Alkaline Phosphatase 30-120 U/L

Total Bilirubin 0.3-1.2 mg/dL

Direct Bilirubin 0.1-0.4 mg/dL

Albumin 3.5-5.0 g/dL
Cardiac Markers
Test Normal Range Critical Values

Troponin I <0.04 ng/mL >0.4 ng/mL (MI)

Troponin T <0.01 ng/mL >0.1 ng/mL (MI)

CK-MB <6.3 ng/mL >25 ng/mL (MI)

Total CK Male: 55-170<br>Female: 30-135 U/L
Arterial Blood Gas (ABG)
Parameter Normal Range Units

pH 7.35-7.45 -

PaCO2 35-45 mmHg

HCO3- 22-26 mEq/L

PaO2 80-100 mmHg

SaO2 >95% %


Practice Questions (Questions 1-80) {#questions}