Page 246 - 2026 SMOG

COMMON LABORATORY VALUES
Laboratory
Anion Gap 14–18mEq/L
BUN 6–23mg/dL
Calcium 8.5–10.5mg/dL
Creatinine 0.6–1.4mg/dL
Glucose 70–100mg/dL
Sodium 135–145mEq/L
Potassium 3.5–5.0mEq/L
Miscellaneous
D-Dimer <250mcg/mL
Lactate 0.5–2.2mmol/L
Hematology
Hemoglobin Male 14–18g/dL Female 12–16g/dL
Hematocrit Male 40–54% Female 38–48%
Platelets 150,000–440,000/mcl
Cardiac Markers
Troponin I* <0.04ng/mL Onset 3–12hr Peak 24hr
CK–MB* 0–5ng/mL Onset 3–12hr Peak 24hr
Myoglobin Male 10–95 ng/mL Female 10–65ng/mL
Onset 1–3hr Peak 6–10hr
INR (only if Tx for DVT) <1.1
*Troponin assays are becoming more analytically sensitive. Each device has different reference ranges
associated with it. Correlate cTn with reference lab. Point-of-care readers are less sensitive.
Normal Blood Gases
pH 7.35–7.45 Coagulation Factors
PcO 35–45mmHg • Prothrombin Time: 11–13 sec
2
HCO 3 22–26 mmol/L • Activated Partial
Base Excess (2)–(+2)mEq/L Prothromboplastin Time
(APPT): 21–35sec
CO 2 19–24mEq/L • International Normalized
SaO >92% Ratio: <1.1
2

238 • REFERENCE