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Common Lab tests
Common Lab Tests
67
Nursing
Graduate
06/07/2011

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Term

Evaluates the normal ranges of blood cells. Helps to diagnose and monitor disorders of the blood and other organs and the effects of certain treatments. 

Definition
Blood Count
Term

These tests may be measured any time of the day without fasting.

Definition
Blood Count Test
Term
Blood Count Includes
Definition

Hgb

Hct

Platelets

WBC

Term

lthe oxygen-carrying pigment of red blood cells that gives them their red color and serves to convey oxygen to the tissues

Definition
Hemoglobin
Term
Normal Hemoglobin Range
Definition

lMale: 13.5 - 17.5 g/dL
lFemale: 12.0 - 16.0 g/Dl 

Term
Hematocrit
Definition
a test that measures the percentage of blood that is comprised of red blood cells
Term
Normal Hematocrit range
Definition

lMale: 40 - 52 %
lFemale: 37 – 47%

Term

lPlatelets help the blood clot. They are smaller than red or white blood cells.

Definition
platelet count
Term
Platelet Count Normal Range
Definition
150,000 - 400,000/mL
Term

 fight infections. They are also called leukocytes

Definition
WBC
Term
Normal WBC range
Definition

l: 4 - 11 K/UL

Term

lAn indicator for diabetes mellitus and insulin resistance if elevated 

Definition
Fasting Blood Sugar (FBS)
Term
Normal FBS levels
Definition

Less than 100 mg/dL

Term
Impaired Glucose Level
Definition
110 – 125 mg/dL
Term
Diabetes Level
Definition
Greater than 126 mg/dL
Term
Reflects average blood sugar levels over the preceding 2 – 3 month period 
Definition
Hemoglobin A1C (HbA1C)
Term
Normal HbA1C Levels
Definition

less than 6.0% 

Term
Diabetic Levels for HbA1C
Definition

 

: less than 7.0% 

 

Term
Blood Sugar
Definition

lAn FBS greater than 126 mg/dl on more than one occasion usually indicates diabetes.

Term

lThis test requires a 12-hour fast. You should wait to eat and/or take a hypoglycemic agent (insulin or oral medication) until after test has been drawn, unless told otherwise

Definition

lPreparation for a fasting blood sugar (FBS)

Term

lThis test may be measured any time of the day without fasting.

Definition

lPreparation for a HgbA1C

Term

 

lPurpose: When taking an anticoagulant, it is important to have your blood tested for bleeding times to ensure you are taking your medications safely and
      not at increased risk for bleeding
Preparation:  These tests may be measured any time of the day without fasting


 

Definition
BLOOD TESTS FOR ANTICOAGULATION THERAPY
Term
a test to determine how fast it takes for your blood to clot. 
Definition
Prothrombin Time (PT): 
Term
Prothrombin Time
Definition

lUsually when taking a "blood thinner," such as warfarin (Coumadin), the desired PT is about one and a half times the normal PT.

 

lWhen checking PT, your doctor will receive the results and let you know if you are taking the correct amount of blood thinner medication.   

Term

Prothrombin Time (PT) normal range 

Definition
9.9-13 seconds
Term

    tested for those on anticoagulant medications to prevent stroke, embolism and heart attack.   

Definition
International Normalized Ratio (INR)   
Term
Normal range of International Normalized Ratio
Definition

l0.9 – 1.2.
lThe MD/practitioner will determine  therapeutic range

Term
Electrolytes
Definition

lThese substances in the blood that help regulate the proper balance of body fluids.

 

lThese levels are useful in detecting kidney, heart and liver disease, and the effects of certain medications (such as diuretics or some heart pills).

Term

Sodium Normal range

Definition
135-145
Term

Magnesium Normal range adult

Definition

1.6 – 2.4 mg/dL

Term
Potassium Normal Range
Definition
3.5 – 5.0 mmol/L 
Term

la substance secreted from the ventricles or lower chambers of the heart in response to changes in pressure that occur when heart failure develops and worsens. 

Definition
BNP(B-TYPE NATRIURETIC PEPTIDE)
Term
B-TYPE NATRIURETIC PEPTIDE
Definition

lThe level of BNP in the blood increases when heart failure symptoms worsen, and decreases when the heart failure condition is stable.

 

lThe BNP level in a person with heart failure - even someone whose condition is stable - is higher than in a person with normal heart function. 

Term

Preparation:BNP

Definition

lTo test the BNP level, a small amount of blood is taken and placed in a machine that detects the level of BNP in your blood. The test takes about 15 minutes

 

lFasting not required

Term
BMP Levels
Definition

OVER 100  - CONCERN HEART FAILURE. HIGHER THE NUMBER GET MORE CONCERN YOU GET.

Term

la type of fat, found in your blood. It is produced by your body and also comes from the foods you eat (animal products)

Definition

 

Total Cholesterol(TC) 

 

Term
Total Cholesterol
Definition

lCholesterol is needed by your body to maintain the health of your cells.

 

lBlood cholesterol level is related to the foods you eat or to genetic conditions 
lPreparation:  This test may be measured any time of the day without fasting.

 

l If the test is drawn as part of a total lipid profile, it requires a 12-hour fast (no food or drink, except water). For the most accurate results

Term
Total Cholesterol Normal Range
Definition

75-169 mg/dL for those age 20 and younger

 

    100-199 mg/dL for those over age 21


You want less than 200 

Term

la lipoprotein (a combination of fat and protein) found in the blood.

 

l It is called "good" cholesterol because it removes excess cholesterol from the blood and takes it to the liver. 
- a high level is related to lower risk of heart and blood vessel disease. 

Definition
High Density Lipoprotein (HDL)
Term
HDLs levels
Definition

lGreater than 45 mg/dl for men and greater than 55 mg/dl for women 

Term

la lipoprotein (a combination of fat and protein) found in the blood.

 

lIt is called "bad" cholesterol because it picks up cholesterol from the blood and takes it to the cells.

 

- A high level is related to a higher risk of heart and blood vessel disease 

Definition
LDLs (Low Density Lipoprotein)
Term
Goal Values for LDL'S
Definition

lLess than or equal to 70 mg/dL for those with heart or blood vessel disease and for other patients at very high risk of heart disease

 

lLess than or equal to 100 mg/dL for high risk patients (for example: some patients who have diabetes or multiple heart disease risk factors)

 

lLess than 130 mg/dL for individuals who are at low risk for coronary artery disease 

Term

- they are a type of fat found in the blood.
-The blood level of this type of fat is most affected by the foods you eat (such as sugar, fat or alcohol) but can also be high due to being overweight, having thyroid or liver disease and genetic conditions.

 

- High levels are related to a higher risk of heart and blood vessel disease. 

Definition
Triglycerides
Term
Goal value for triglycerides
Definition

lLess than 150 mg/dl 

Term

-an enzyme that is measured to detect liver disease, hepatitis.

 

-It may increase with use of some medications

Definition
Alanine Aminotransferase (ALT; also called SGPT) 
Term
Goal value for ATL
Definition

 5 – 50 U/L

KNOW UPPER RANGES

Term

- an enzyme that is released into the bloodstream following injury or death of cells.

 

- Increased LEVELS is seen with liver disease, myocardial infarction (MI) and some medications 

Definition
Aspartate Aminotransferase (AST; also called SGOT) 
Term
AST GOAL LEVELS
Definition

7 – 40 U/L

Know upper values 


Term

  found in the blood.

 

- It becomes elevated with illness, kidney disease, muscle injury and some medications

Definition
Creatinine (CR) 
Term
Creatinine Normal Levels
Definition
0.7 – 1.4 mg/dl 
Term

- an enzyme found in the heart and muscles.
- Increased LEVELS is seen with heart muscle damage.
- Increased LEVELSis noted with skeletal muscle injury. Strenuous exercise, weight lifting, surgical procedures, high doses of aspirin and other medications can elevate LEVELS.

Definition
Creatinine Kinase
Term
CK levels
Definition
30 – 220 U/L
Term

la protein found in certain types of muscle. Elevated myoglobin may indicate muscle injury or inflammation. 

Definition
Myoglobin (Mb)
Term
Goal values of Myoglobin
Definition
30 – 90 µg/ml 
Term

- a protein found in the blood and is related to contraction of the heart muscle.
- This is valuable for detecting heart muscle damage and risk

Definition
Troponin T(cTNT)
Term
Troponin Values
Definition
0.0 - 0.10 µg/mL 
Term

lusually excreted by the kidneys.

 

lHigh levels of these in the blood may mean that the kidneys are not working as they should. 

Definition
Waste Products
Term
High levels of these can also be found in those on high-protein diets and/or with strenuous exercise
Definition
Blood Urea Nitrogen (BUN)
Term
BUN levels
Definition
8 - 25
Term
High levels of these are also found in those with gout, arthritis and some metabolic disorders
Definition
Uric Acid
Term
An indicator of kidney function 
Definition
Serum Creatinine (CR)
Term
Goal value for Serum Creatinine
Definition

0.7 – 1.4 mg/dl 

Term

la gland located in the neck. It’s job is to take iodine from the blood and combine it with an amino acid (one of the building blocks of protein) to form ) ________hormones 

Definition
Thyroid
Term
Thyroid Stimulating Hormone
Definition
0.4 – 5.5 mU/ml
Term
Thyroxine (T4) levels
Definition

    5 – 11 µg/dl 

Term
measures an inflammatory response in the body and has been shown to play a role in atherosclerosis and blood clot formation. 
Definition
Ultra sensitive C- Reactive Protein Blood (HS-CRP)
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