Complete Blood Count (CBC)
Description
A Complete Blood Count (CBC) is a group of tests used for basic screening purpose
It is probably the most widely ordered laboratory test .Results provide the enumeration of the cellular elements of the blood , measurement of RBC indices , and determination of cell morphology by automation and evaluation of stained smears . the results can provide valuable diagnostic information regarding the overall health of the patient and patient's response to disease and treatments . ok
Specimen
Whole blood on EDTA .Whole blood on heparin may be used , but the following automated values may not be reported : white blood cell (WBC) count , WBC differential , platelets count, and mean platelets volume
METHOD
Automated , computerized multichannel analyzers . the tests includes hemoglobin , hematocrit ,red blood cell (RBC) count , RBC morphology , RBC indices , RBC distribution width index(RDW) , Platelets acount , platelet size , WBCs acount and WBC differential . the automated WBCs differential indentifies and enumerates neutrophils, lymphocytes , monocytes , Esinophils and Basophils
Indications
1- Detect hematologic disorder ,neoplasm,leukemia , or immunologic abnormality
2 - Determined the presence of hereditary hematologic abnormality
3 - Evaluate known or suspected anemia
4 - Monitor the effects of physical or emotional stress
5 - Monitoring blood loss
6 - Monitoring fluid imbalance
7 - Monitoring hematological status during pregnancy
8 - Monitoring progression of non hematological disorder such as cancer and renal disease
9 - As part of a general physical examination , especially on admission to a health care facility or before surgery
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