CBC Equations
Formula to calculate HCT
RBC * MCV / 10
WBC Relative Values Ranges
Neutrophils: 50-70
Lymphocytes: 18-42
Monocytes: 2-11
Eosinophils: 1-3
Basophils: 0-2
MCV Meaning
Mean Corpuscular Value
What will show up in a increased MCV
What will show up in a low MCV
Macrocytes
Microcytes
What is the rule of 3's?
RBC * 3 = HGB ±3
HGB * 3 = HCT ±3
Formula to Calculate MCV
HCT * 10 / RBC
Range for WBC, RBC, and HGB
WBC: 3.6-10.6
RBC: 4.00-6.00
HGB: 12.0-18.0
MCH and MCHC
Mean Corpuscular Hemoglobin and Mean Corpuscular Hemoglobin Concentration
What will show up in a High RDW
Anisocytosis
A MCHC value over _ needs to be investigated
36 g/dL
Formula to Calculate MCH
HGB * 10 / RBC
Range for HCT, MCV, and MCH
HCT: 35-50
MCV: 76-100
MCH: 26-34
RDW
Red Cell Distribution Width
What will show up in a high MCHC
What will show up in a low MCHC
Spherocytes
Hypochromia
A MCV with over a change of _ should be investigated
MCV: 3
Formula to calculate MCHC
HGB * 100 / HCT
Range for MCHC, RDW, and PLT
MCHC: 32-36
RDW: 11.5-14.5
PLT: 150-450
MPV and PDW
Mean platelet volume and Platelet distribution width
What test will be affected by cold agglutinins
Hct, MCH, and MCHC
A HGB a change of more than _ should be investigated
HGB: 2
Corrected WBC Count
WBC * 100/ nRBC + 100
WBC Absolute #
Neutrophils: 1.7-7.5
Lymphocytes: 1.0-3.2
Monocytes: 0.1-1.3
Eosinophils: 0.0-0.3
Basophils: 0.0-0.2
VCS
Volume Conductivity Scatter
What test will be affected by Lipemia, Hemolysis, and Icteric specimens
MCH, MCHC
How should you report out Critical Results
Call the nurse/physician, have them repeat the results back to you. Get their name and time of communication.