RBC Count, Erythrocytes
Determines actual number of cells in relation to volume
Adult Man 4.6-6.2 million/mm3
Adult Woman 4.2-5.4 million/mm3
Child 3.2-5.2 million/mm3
WBC Count, Leukocytes
Establishes amount and maturity of WBC elements.
Adult 5,000-10,000/mm3
Child 5,000-13,000/mm3
Hgb
Determines amount and maturity of Hgb/100ml blood
Man 13-18g/dl
Woman 12-15 g/dl
Child (3-12yo) 11-12.5 g/dl
Hct
Measures percentage of RBC per fluid volume of blood
Man 42-50%
Woman 40-48%
Child (3-12yo) 35-45%
Bleeding Time
Measures duration of bleeding after standardized incision. Used for preop screening
1-9 min
PTT
Monitors effectiveness of heparin therapy. Detects coagulation disorders.
20-39 seconds
Platelet Count (thrombocyte count)
Use to diagnose hemorrhagic diseases, thrombocytopenia
100,000-400,000/mm3
PT
Monitors effectiveness of Coumadin therapy. Detects coagulation disorders 9.5-12.0 seconds
Sedimentation Rater (ESR)
Speed at which RBCs settle in well-mixed venous blood.
Indicates inflammation.
Man 0-15mm/h
Woman 0-20mm/h
Glucose tolerance test (GTT)
Measures ability of body to secrete insulin in response to HYPERglycemia
Fasting 60-110
1hr 190mg/dl
2hr 140 mg/dl
3hr 125 mg/dl
Total Cholesterol
Evaluates the tendency for atherosclorosis. Overnight fast.
Optimal <200 mg/dl
Borderline 200-239 mg/dl
High >239 mg/dl
LDL
Determines whether elevated cholesterol levels are caused by increased LDL or HDL
Fast for 12-14 hrs
Optimal <139 mg/dl
Borderline 140-160 mg/dl
High >160 mg/dl
HDL
Men 35-70 mg/dl
Women 35-85mg/dl
Creatinine
Test of renal function.
NPO 8hrs.
List medications patient is taking on lab slip.
Adult 0.6-1.5 mg/dl
Child 0.4-1.2 mg/dl
Infant 0.3-0.6 mg/dl
Alkaline Phosphatase
Evaluates liver and bone fxn
NPO 8-12 hrs
List medications pt is taking on lab slip.
Adult 30-150 units/l
Infant and adolescent up to 104 FU/L
Creatine Kinase (CK)
Used to dx acute MI. Detected in blood in 3-5 hrs.
Man 55-170 U/L
Woman 30-135 U/L
Child 0-70 U/L
Serum Albumin
Used to detect protein malnutrition
3.5-5.5 g/dl
BUN
Evaluate Renal Fxn
Values affected by protein intake, tissue breakdown, fluid volume changes.
7-18mg/dl;
Over 60 yrs 8-20mg/dl
RBC Count, Erythrocytes
Determines actual number of cells in relation to volume
Adult Man 4.6-6.2 million/mm3
Adult Woman 4.2-5.4 million/mm3
Child 3.2-5.2 million/mm3
WBC Count, Leukocytes
Establishes amount and maturity of WBC elements.
Adult 5,000-10,000/mm3
Child 5,000-13,000/mm3
Hgb
Determines amount and maturity of Hgb/100ml blood
Man 13-18g/dl
Woman 12-15 g/dl
Child (3-12yo) 11-12.5 g/dl
Hct
Measures percentage of RBC per fluid volume of blood
Man 42-50%
Woman 40-48%
Child (3-12yo) 35-45%
Bleeding Time
Measures duration of bleeding after standardized incision. Used for preop screening
1-9 min
PTT
Monitors effectiveness of heparin therapy. Detects coagulation disorders.
20-39 seconds
Platelet Count (thrombocyte count)
Use to diagnose hemorrhagic diseases, thrombocytopenia
100,000-400,000/mm3
PT
Monitors effectiveness of Coumadin therapy. Detects coagulation disorders 9.5-12.0 seconds
Sedimentation Rater (ESR)
Speed at which RBCs settle in well-mixed venous blood.
Indicates inflammation.
Man 0-15mm/h
Woman 0-20mm/h
Glucose tolerance test (GTT)
Measures ability of body to secrete insulin in response to HYPERglycemia
Fasting 60-110
1hr 190mg/dl
2hr 140 mg/dl
3hr 125 mg/dl
Total Cholesterol
Evaluates the tendency for atherosclorosis. Overnight fast.
Optimal <200 mg/dl
Borderline 200-239 mg/dl
High >239 mg/dl
LDL
Determines whether elevated cholesterol levels are caused by increased LDL or HDL
Fast for 12-14 hrs
Optimal <139 mg/dl
Borderline 140-160 mg/dl
High >160 mg/dl
HDL
Men 35-70 mg/dl
Women 35-85mg/dl
Creatinine
Test of renal function.
NPO 8hrs.
List medications patient is taking on lab slip.
Adult 0.6-1.5 mg/dl
Child 0.4-1.2 mg/dl
Infant 0.3-0.6 mg/dl
Alkaline Phosphatase
Evaluates liver and bone fxn
NPO 8-12 hrs
List medications pt is taking on lab slip.
Adult 30-150 units/l
Infant and adolescent up to 104 FU/L
Creatine Kinase (CK)
Used to dx acute MI. Detected in blood in 3-5 hrs.
Man 55-170 U/L
Woman 30-135 U/L
Child 0-70 U/L
Serum Albumin
Used to detect protein malnutrition
3.5-5.5 g/dl
BUN
Evaluate Renal Fxn
Values affected by protein intake, tissue breakdown, fluid volume changes.
7-18mg/dl;
Over 60 yrs 8-20mg/dl