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Kornhauser Health Sciences Library

Marcus, Maria and John: Normal Values

Normal Values

Blood Gases

Test Name Normal Range
pH 7.34-7.44
pCO2 3.5 mmHg
pO2 75-100 mmHg
HCO3 22-26 mEq/L

Cardiology Labs

Test Name Normal Range
Total CK 38-120nh/mL
CK-ML 0-3 ng/mL
CK-index 0-3
Troponin <0.4 ng/mL

Cerebrospinal Fluid (CSF)

Test Name Normal Range
Glucose 50-80 ng/dL
Protein 15-45 mg/dL
RBCs 0/µL
WBCs 0-3/µL
Serum osmolality 282-295


Test Name Subgroup Normal Range
Aspartate aminotransferase (AST)   5-35U/L
Alanine aminotransferase (ALT)   7-56 U/L
Albumin   3.5-4.8 U/L
Ammonia   9-33 µmol/L
Alkaline phosphatase (ALP)    
Anti-streptolysin titer (ASO)    
  School Age <250
  Adult <125
Bicarbonate   22-26 mEq/L
Bilirubin, direct   <0.3 mg/dL
Bilirubin, total   0.2-1.3 mh/dL
Calcium   8.9-10.4 mg/dL
Cholesterol   120-200 mg/dL
Creatinine   0.5-1.4 mg/dL
Gamma GT   8-78 U/L
Glucose   65-110 mg/dL
Lactate dehydrogenase   310-620 U/L
Lipase   7-60 U/L
Potassium   3.6-5.0 mEq/L
Sodium   137-145 mEq/L
Total Protein   6.3-8.2 gm/dL
Triglyceride   50-250 mg/dL
Uric acid   3.5-8.5 mg/dL
Urea nitrogen   7-21 mg/dL


Test Name Normal Range
17-OHCS <4 mg/day
Adrenocorticotrophic hormone (ACTH) 20-100 pg/mL
Alpha-fetoprotein (AFP) serum 0-44 ng/mL
Beta- HCG <5 mU/mL (male, nonpregnant female) 
CA 19-9 <40 U/mL
Prolactin 0-14 ng/mL


Test Name Normal Range
Rheumatoid factor <30 IU/mL
Prostatic Specific Antigen 0-4 ng/mL


Test SubGroup Normal Range
Hematocrit (Hct)
  Male 40-50%
  Female 37-46%
  Child 31-43%
Hemoglobin (Hgb)
  Male 13.2-16.2 gm/dL
  Female 2.0-15.2 bm/dL
Red blood cell count (RBC)
  Male 4.3-6.2x106/µL
  Female 3.8-5.5x106/µL
  Infant/Child 3.8-5.5x106/µL
White blood cell count (WBC)
  Diff 4.1-10.9x103/µL
  polymorphonuclear cells (polys) 35-80%
  immature polys (bands) 0-10%
  lymphocytes (lymph) 20-50%
  monocytes (mono) 2-12%
  eosinophils (eos) 0-7%
  basophils (bas) 0-2%
Platelet count (Plt)    140-450 x103/µL
Red cell distribution width (RDW)
  Coefficient of variation 11.5-14.5%
  Standard deviation 35-47 Fl
RBC mean cell volume (MVC)
  Male 82-102 fL
  Female 78-121 fL
Mean cell hemoglobin concentration
  MCHC 31-35 mg/dL
  CD4+ 31-63%
  absolute # 416-1751/µL
  Adult 0.5-1.5%
  Child 1.1-4.5%
  Infant 0.5-3.1%
Prothrombin time (PT)   12-14 seconds
Partial thromboplastin time (PTT)   18-28 seconds
Fibrinogen   170-420 mg/dL

Iron Studies

Total Serum Iron (TSI) Subgroup Normal Range
  Male 76-198 µg/dL
  Female 26-17 0 µg/dL
Total Iron-binding Capacity (TICBC)   262-474 µg/dL
Transferrin   201-360 mg/Dl
  Male 18-250 ng/mL
  Female 12-160 ng/mL


Test Name Normal Range
T3-total 60-181 ng/mL
T4-free 0.8-1.5 ng/dL
T4-total 5.5-12.3 ng/mL
TBG 12-30 mg/L
Thyroid stimulating hormone (TSH) 0.4-4.5 µlU/mL


Test Name Normal Range
Specific gravity 1.002-1.0030
pH 5-7
Protein negative-trace
Glucose negative
Ketone negative
Bilirubin negative
Blood negative
Nitrite negative
Leukocyte negative
Urobiliogen 0.2-1.0 EhrU/dL micro
RBCs 0-2/HPF
WBCs 0-2/HPF
RBC casts 0/HPF

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