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Normal Lab Values (Reference Only)

 

Contents

Blood Gases

Bicarbonate (HCO3-)
Normal Value:22-26 mEq/L
Blood pH
Normal Value:7.34-7.44


Partial Pressure of Carbon Dioxide (pCO2)
Normal Value:35-45 mmHg


Partial Pressure of Oxygen (pO2)
Normal Value:75-100 mmHg


Cardiac Enzymes

Creatine Kinase Index (CK-Index)
Normal Value:0-3


Creatine Kinase-MB (CK-MB)
Normal Value:0-3 ng/ml


Total Creatine Kinase (Total CK)
Normal Value:38-120 ng/ml


Troponin
Normal Value:<0.4 ng/ml


Blood Chemistry

Alanine Aminotransferase (ALT)
Normal Value:7-56 U/L


Albumin
Normal Value:3.5-4.8 U/L


Alkaline Phosphatase (ALP)
Normal Value:38-126 U/L


Amylase
Normal Value:30-110 U/L


Anti-streptolysin O Titer (ASO)
Normal Value:
 Adult:<125
 Child:<250


Aspartate Aminotransferase (AST)
Normal Value:5-35 U/L


Bicarbonate (HCO3-)
Normal Value:22-26 mEq/L
Bilirubin
Normal Value:
  
  • Direct: <0.3 mg/dl
  • Total: 0.2-1.3 mg/dl


Calcium (Ca2+)
Normal Value:8.9-10.4 mg/dl


Chloride (Cl-)
Normal Value:98-110 mEq/L


Cholesterol
Normal Value:120-200 mg/dl


Creatinine (Cre)
Normal Value:0.5-1.4 mg/dl


Gamma GT
Normal Value:8-78 U/L


Glucose
Normal Value:65-110 mg/dL


Lipase
Normal Value:7-60 U/L


Potassium (K+)
Normal Value:3.6-5.0 mEq/L


Sodium (Na+)
Normal Value:137-145 mEq/L


Total Protein
Normal Value:6.3-8.2 gm/dl


Triglycerides
Normal Value:50-250 mg/dl


Urea Nitrogen (BUN)
Normal Value:7-21 mg/dl


Uric Acid
Normal Value:3.5-8.5 mg/dl


Cerebral Spinal Fluid

CSF Glucose
Normal Value:50-80 ng/dl


CSF Protein
Normal Value:15-45 mg/dl


CSF RBCs
Normal Value:0/?l


CSF WBCs
Normal Value:0-3/?l


Endocrine

17-Hydroxycorticosteroid (17-OHCS)
Normal Value:<4 mg/day


Adrenocorticotrophic Hormone (ACTH)
Normal Value:20-100 pg/ml


Prolactin (PRL)
Normal Value:0-14 ng/ml


Serum Alpha-Fetoprotein (AFP)
Normal Value:0-44 ng/ml


Hematology

CD4+
Normal Value:31-63%
  Absolute: 416-1751/?l


Fibrinogen
Normal Value:170-420 mg/dl


Hematocrit (Hct)
Normal Value:
 Male:40-52%
 Female:37-46%
 Child:31-43%


Hemoglobin (Hg, Hgb)
Normal Value:
 Male:13.2-16.2 gm/dL
 Female:12.0-15.2 gm/dL


Mean Cell Hemoglobin Concentration (MCHC)
Normal Value:31-35 gm/dl


Partial Thromboplastin Time (PTT)
Normal Value:18-28 seconds


Platelet Count (Plt)
Normal Value:140-450x103/?l


Prothrombin Time (PT)
Normal Value:12-14 seconds


RBC Mean Cell Volume (MCV)
Normal Value:
 Male:82-102 fL
 Female:78-101 fL


Red Blood Cell Count (RBC)
Normal Value:
 Male:4.3-6.2x106/?l
 Female:3.8-5.5x106/?l
 Child:3.8-5.5x106/?l


Red Cell Distribution Width (RDW)
Normal Value:
  
  • Coefficient of variation: 11.5-14.5%
  • Standard deviation: 35-47 fL


Reticulocyte
Normal Value:
 Adult:0.5-1.5%
 Infant:0.5-3.1%
 Newborn:1.1-4.5%


White Blood Cell Count (WBC)
Normal Value:4.1-10.9x103/?l
  
  • Polymorphonuclear (PMN): 35-80%
  • Immature Polys (Bands): 0-10%
  • Lymphocytes (Lymp): 20-50%
  • Monocytes (Mono): 2-12%
  • Eosinophils (Eos): 0-7%
  • Basophils (Bas): 0-2%


Iron Studies

Ferritin
Normal Value:
 Male:18-250 ng/ml
 Female:12-160 ng/ml


Total Iron-Binding Capacity (TIBC)
Normal Value:262-474 ?g/dl


Total Serum Iron (TSI)
Normal Value:
 Male:76-198 ?g/dl
 Female:26-170 ?g/dl


Transferrin
Normal Value:204-360 mg/dl


Thyroid

Free Thyroxine (T4 Free)
Normal Value:0.8-1.5 ng/dl


Thyroid Stimulating Hormone (TSH)
Normal Value:0.4-4.5 U/ml


Thyroxine-binding Globulin (TBG)
Normal Value:12-30 mg/L


Total Thyroxine (T4 Total)
Normal Value:5.5-12.3 ng/ml


Total Triiodothyronine (T3 Total)
Normal Value:60-181 ng/ml


Urinalysis

Urine Bilirubin
Normal Value:Negative


Urine Blood
Normal Value:Negative


Urine Ketone
Normal Value:Negative


Urine Leukocytes
Normal Value:Negative


Urine Micro
Normal Value:
  
  • RBCs: 0-2/HPF
  • WBCs: 0-2/HPF
  • RBC Casts: 0/HPF


Urine Nitrite
Normal Value:Negative


Urine Protein
Normal Value:Negative-Trace


Specific Gravity
Normal Value:1.002-1.030


Urine pH
Normal Value:5-7


Urobilogen
Normal Value:0.2-1.0 Ehr U/dl


 
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