Calculation Lab
Use the calculator to inspect the formula, test the setup, and review rationale and common pitfalls.
Quick reference for common normal laboratory ranges (BMP, CBC, Coags, etc).
For educational use only. Always verify with clinical judgment and facility protocols.
| Test | Reference Range |
|---|---|
| Sodium (Na+) | 135 – 145 mEq/L |
| Potassium (K+) | 3.5 – 5.0 mEq/L |
| Chloride (Cl-) | 98 – 107 mEq/L |
| Bicarbonate (CO2) | 22 – 29 mEq/L |
| BUN | 7 – 20 mg/dL |
| Creatinine (Cr) | 0.6 – 1.2 mg/dL |
| Glucose (Fasting) | 70 – 100 mg/dL |
| Calcium (Ca2+) | 8.5 – 10.5 mg/dL |
| Test | Reference Range |
|---|---|
| WBC | 4.5 – 11.0 x10³/µL |
| Hemoglobin (Hgb) - Male | 13.5 – 17.5 g/dL |
| Hemoglobin (Hgb) - Female | 12.0 – 15.5 g/dL |
| Hematocrit (Hct) - Male | 41% – 50% % |
| Hematocrit (Hct) - Female | 36% – 44% % |
| Platelets (Plt) | 150 – 450 x10³/µL |
| Test | Reference Range |
|---|---|
| PT | 11 – 13.5 sec |
| INR (Normal) | 0.8 – 1.1 ratio |
| INR (Warfarin target) | 2.0 – 3.0 ratio |
| aPTT | 30 – 40 sec |
| Test | Reference Range |
|---|---|
| ALT | 7 – 55 U/L |
| AST | 8 – 48 U/L |
| Alkaline Phosphatase | 40 – 129 U/L |
| Bilirubin (Total) | 0.1 – 1.2 mg/dL |
| Albumin | 3.5 – 5.0 g/dL |
| Test | Reference Range |
|---|---|
| Troponin I | < 0.04 ng/mL |
| BNP | < 100 pg/mL |
| Magnesium (Mg2+) | 1.7 – 2.2 mg/dL |
| Phosphorus | 2.5 – 4.5 mg/dL |
| Lactate | 0.5 – 2.2 mmol/L |
Note: Reference ranges vary by laboratory and patient population. Always verify with your facility's specific clinical laboratory guidelines and interpret within the clinical context.