Common Normal Laboratory Values Cheat Sheet for NCLEX Review

A must download for nurses!

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-Normal Laboratory Values Cheat Sheet for NCLEX

Diagnostic tests are crucial in any aspect of clinical practice since they assist clinicians in the establishment and determination of the patient’s condition.

Nurses are often tasked of patient preparation and specimen collection during these diagnostic procedures. It is of utmost importance that nurses are knowledgeable about the different procedures and their values and results to make informed clinical decisions.

To assist nurses, here are the common laboratory values listed in an organized and easy-to-understand cheat sheet table. You can also use it for your NCLEX!

Download

Use the link below to download the PDF file of this Laboratory and Diagnostic Procedures cheat sheet. Print it using a US Legal Size (8.5″x14″) paper.

Common Laboratory Values

ValueNormal RangeUnit
COMPLETE BLOOD COUNT
Red Blood Cell (RBC)M: 4.5—5.5
F: 4.0—4.9
x105/ml
White Blood Cell (WBC)4,500—10,000cells/mcL
Platelets100,000—450,000cells/mcL
Hemoglobin (Hgb)M: 13.5—16.5
F: 12.0—15.0
Pregnant: 10—15
g/dL
Hematocrit (Hct)M: 41—50%
F: 36—44%
Mean Corpuscular Volume (MCV)80—100fL
DIFFERENTIAL COUNT
Neutrophils54—62%
Eosinophils1—3%
Basophils0—0.75%
Lymphocytes25—33%
Monocytes3—7%
SERUM ELECTROLYTES
Sodium (Na+)135—145mEq/L
Potassium (K+)3.5—5.5mEq/L
Chloride (Cl-)95—105mEq/L
Calcium8.5—10.9mEq/L
Calcium, ionized2.24—2.46mEq/L
Magnesium (Mg)1.5—2.5mEq/L
Phosphorus (P)2.5—4.5mEq/L
URINALYSIS
Volume1,000—2,000mL/day
30mL/hour
Specific Gravity1.010—1.020
pH4.5—8
Casts1—2per high power field
Glucosenone
Proteinnone
Uric AcidF: 3.5—7.2
M: 2.6—6.0
mg/dL
CHEMISTRY VALUES
GlucoseAdults: 70—110mg/dL
Blood Urea Nitrogen (BUN)Adults: 7—18
Child: 5—20
Infant: 5—15
mg/dL
Serum Creatinine0.6—1.35mg/dL
Creatinine Clearance (CrCl)F: 85—132
M: 90—138
mL/min
Albumin3.4—5.0g/dL
Bilirubin<1.0mg/dL
Uric Acid3.5—7.5mg/dL
Creatine phosphokinase (CPK)21—198units/L
COAGULATION STUDIES
Prothrombin Time (PT)11—14seconds
Partial Thromboplastin Time (PTT)25—35seconds
International Normalized Ratio (INR)0.8—1.2
Activated Partial Thromboplastin Time (aPTT)1.5—2.5
Fibrinogen203—377mg/dL
Bleeding time1—6mins
LIPOPROTEINS AND TRIGLYCERIDES
Total CholesterolIdeal: below 200
Borderline: 200—240
High: above 240
mg/dL
Low Density Lipoprotein (LDL)<70mg/dL
High Density Lipoprotein (HDL)<60mg/dL
TriglyceridesNormal: below 150
Borderline high: 150—199
High: 200—499
Very high: above 500
mg/dL
SGOT (AST)<35IU/L
SGPT (ALT)<35IU/L
CARDIAC MARKERS
Troponin (CTN-1 or CTN-T)Normal I: 0.03
Critical level I: above 1.5
Critical level T: 0.2
ng/L
C-reactive proteinBelow 0.8mg/dL
CD40 Ligand1.51—5.35mg/L
Creatinine Kinase (CK-MB)0—3mcg/L
ARTERIAL BLOOD GAS
pH7.35—7.45
Partial Pressure of CO2 (pCO2)35—45mmHg
Partial Pressure of O2 (pO2)80—100mmHg
Bicarbonate (HCO3)22—26mEq/L
Base Excess (BE)-2—+2mEq/L
Oxygen Saturation (SaO2)95—100%
THYROID FUNCTION STUDIES
Thyroid-Stimulating Hormone (TSH)Adults: 0.2—5.4
Neonate: 3—20
mU/L
Thyroxine (Total T4)Adult: 5.4—11.5
Child: 6.4—13.3
mcg/dL
Free Thyroxine (Total T4 F4)Adult: 0.7—2.0ng/dL
Thyroid-Binding Globulin (TBG)Male: 15—30
Female: 11.5—32.2
Pregnancy
1st Trimester: 19.8—64.7
2nd Trimester: 41.4—63.9
3rd Trimester: 31.0—73.6
mcg/dL
Triiodothyronine (Total T3)75—200ng/dL
Free Triiodothyronine (FT3)260—480pg/dL
Thyroglobulin (Tg) Antibody5—25ng/mL
TUMOR MARKERS
CA 19-9 Tumor Markers<37U/mL
CA 27.29Above 38Uml
CA 15.3Above 22Uml
CA 1250—35Uml
Carcinoembryonic Antigen (CEA)Above 5ng/mL
THERAPEUTIC SERUM DRUG LEVELS
Carbamazepine (Tegretol)4—10mcg/mL
Digoxin (Lanoxin)0.8—2.0ng/mL
Lithium (Eskalith)0.8—1.5mEq/L
Phenobarbital (Solfoton)15—40mcg/mL
Theophylline (Aminophylline)10—20mcg/mL
Valproic Acid (Depakene)50—100mcg/mL

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