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Normal Lab Tests

Terms in this set (32)

Alanine Aminotransferase (ALT)
To detect liver disease.
45 U/L or less
Alkaline Phosphatase (ALP)
Assists in diagnosis of liver and bone diseases.
25-140 U/L
Aspartate Aminotransferase (AST)
To detect tissue damage.
40 U/L or less
Blood urea nitrogen (BUN)
Screens for renal disease, especially glomerular functioning.
7-25 mg/dL
Calcium(Ca)
To assess parathyroid functioning and calcium metabolism and evaluate malignancies.
8.5-10.8 mg/dL
Cholesterol (Chol)
To screen for atherosclerosis related to coronary artery disease; secondary aid in the study of thyroid and liver functioning.
Total Cholesterol
Desirable: Less than 20o mg/dL
Borderline high: 200-239 mg/dL
High: 240 mg/dL or greater
LDL Cholesterol
Optimal: Less than 100 mg/dL
Near optimal: 100-129 mg/dL
Borderline high: 130-159mg/dL
High: 160-189 mg/dL
Very high: 190 mg/dL or greater
HDL Cholesterol
Optimal: 60 mg/dL or greater
Desirable:
Men: 40-50 mg/dL
Women: 50-60 mg/dL
Increased risk for coronary artery disease:
Men: Less than 40 mg/dL
Women: Less than 50 mg/dL
Creatinine (Creat)
Screening test of renal functioning.
0.6-1.5 mg/dL
Globulin (Glob)
To identify abnormalities in rate of protein synthesis and removal.
2-3.5 g/dL
Glucose
To detect disorders of glucose metabolism.
Fasting blood glucose (FBG)
Normal: 70-99 mg/dL
Pre-diabetes: 100-125 mg/dL
Diabetes: 126mg/dL or above
2-Hour postprandial blood sugar (2-hr PPBS)
Less than 140 mg/dL (SI units: Less than 7.8 mmol/L)
Oral glucose tolerance test (OGTT)
(2 hr)
Normal: 139 mg/dL and below
Pre-diabetes: 140-199 mg/dL
Diabetes: 200 mg/dL or above
Lactate dehydrogenase 30 degree C (LD)
Assists in confirming myocardial or pulmonary infarction; also used in differential diagnosis of muscular dystrophy and pernicious anemia.
240 U/L or less
Phosphorus (P)
Assists in proper evaluation and interpretation of calcium levels; used to detect disorders of endocrine system, bone diseases, and kidney dysfunction.
2.5-4.5 mg/dL
Potassium (K)
To diagnose disorders of acid-base and water balance in the body.
3.5-5.3 mmol/L
Sodium (Na)
To detect changes in water and salt balance in the body.
135-147 mmol/L
Total bilirubin (TB)
To evaluate liver functioning and hemolytic anemia.
0.2-1.3 mg/dL
Total protein (TP)
Screens for diseases that alter protein balance and assesses state of body hydration.
6-8.5 g/dL
Total thyroxine (Total T4)
To asses thyroid functioning and evaluate thyroid replacement therapy.
4.5-12 ug/dL
Triglycerides (Trig)
To evaluate patients with suspected atherosclerosis.
Desirable: Less than 150 mg/dL
Borderline: 150-199 mg/dL
High: 200-499 mg/dL
Very high: 500 mg/dL
Uric acid (UA)
To evaluate renal failure, gout, and leukemia.
Male: 3.9-9 mg/dL
Female: 2.2-7.7 mg/dL
White blood cell count (WBC)
Assists in diagnosis and prognosis of disease.
4500-11000/mm to the 3rd (or 10 to the 9th cells/L)
Red blood cell count (RBC)
Assists in diagnosis of anemia and polycythemia.
Male: 4.5-6.2 million/mm to the 3rd (or 10 to the 12th cells/L)
Female: 4-5.5 million/mm to the 3rd (10 to the 12th cells/L)
MCV: 80-100 fL
MCH: 27-31 pg
MCHC: 32%-36%
RDW: 11.5%-14.5%
Hemoglobin (Hgb or Hb)
To screen for anemia, determine its severity, monitor response to treatment.
Male: 14-18 g/dL (SI units: 2.17-2.79 mmol/L)
Female: 12-16 g/dL (SI units: 1.86-2.48 mmol/L)
Hematocrit (Hct)
Assists in diagnosis and evaluation of anemia.
Male: 40%-54%
Female: 37%-47%
Differential white blood cell count (Diff)
Assists in diagnosis and prognosis of disease.
Neutrophils: 50%-70%
Eosinophils: 1%-4%
Basophils: 0-1%
Lymphocytes: 20%-35%
Monocytes: 3%-8%
Prothrombin time/INR (PT/INR)
To screen for coagulation disorders and regulate treatment of patients taking oral anticoagulant therapy with warfarin sodium (Coumadin)
0.8-1.2
Erythrocyte sedimentation rate (ESR)
Nonspecific test for connective tissue diseases, malignancy, and infectious diseases; also used to evaluate progress of inflammatory diseases (elevated test results warrant further testing.)
Westergren's method:
Male: younger than age 50
0-20 mm/hr
age 50 or older
0-20 mm/hr
Female: younger than age 50
0-20 mm/hr
age 50 or older
0-30 mm/hr
Platelet count (Plt)
Assists in evaluation of bleeding disorders that occur with liver disease, thrombocytopenia, urmia, and anticoagulant therapy.
150,000-400,000/mm to the 3rd (SI unit: 150-400 X 10 to the 9th/L.
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