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Kilgore Lab Values 1


WBC 5-10 thousand/mcl
WBC ↑ with Infection & Stress; ↓ decreased immunity (Immune response) Critical high > 30,000; Critical low < 2,500
Neutrophils % 45 – 70%
Neutrophils % ↑ in inflammation & bacterial infection, & stress Segmented neutrophil is a mature functioning cells;
Bands 0 – 5%
Bands Bands - immature non-active cells ↑ Elevated in bacterial infection and severe stress
Lymphocytes % 18-48%
Lymphocytes % ↑ ↓ T & B cell immune response: ↑ in viral infections & autoimmune disorders; ↓ AIDS
Monocytes % 0-9%
Monocytes % ↑ in chronic infections, autoimmune disorders, leukemia, lymphoma
Eosinophils % 1-3%
Eosinophils % Increase in allergic & parasitic conditions
RBC 4.2 - 6.1 million/mcl
RBC ↑ high altitudes & in polycythemia vera; ↓ in anemia
RBC indices to determine type of anemia MCV & RDW MCH - MCHC -
RBC indices to determine type of anemia Size of RBC - Too low (microcytic) or too high (macrocytic) 80 – 96 um3 Weight of RBC (Mean corpuscular hemoglobin) Amount in concentration (Mean corpuscular hemoglobin concentration)
RBC Indices To diagnose anemias: RDW, B12, Folate, serum Fe, Ferritin, TIBC, reticulocyte count
Reticulocyte count Immature RBCs 0.5-1.5%
Reticulocyte count Immature RBCs Indicates bone marrow activity ↑ in anemia or hemorrhage when body needs more RBCs
‘Sed rate’ (ESR) Up to 15 - 20
‘Sed rate’ (ESR) Erythrocyte sedimentation rate Detects inflammatory diseases when high (nonspecific)
HGB 12 – 18 grams/dl
HGB 02 carrying capacity of RBC; ↓ in anemias: Critical high > 20 Critical low < 5 Elevated in pulmonary diseases and smokers &/or in liver disease with too much iron - hemochromatosis.
HCT 37 – 52%
HCT PCV packed cell volume or % of RBCs in blood: ↓ in anemias; Critical low < 15; Critical high > 60 Elevated with dehydration & low with overhydration
Platelets 150 – 400 thousand/mcl
Platelets Clotting ability Critical high > 1 million; Critical low -50,000; Risk of hemorrhage – 20,000
PT Prothrombin time 11 – 13 sec
PT Prothrombin time Used in regulating Coumadin – indicates decreased or increased clotting Critical high > 20 sec; Higher PT -> lower PLTs
INR 0.8 - 1.1 ratio
INR Used in regulating Coumadin – indicates decreased or increased clotting Therapeutic range is usually 2.0 – 3.0; Higher INR -> lower PLTs
PTT aPTT 60 – 70 sec 30-40 sec
PTT aPTT Used in regulating heparin – indicates decreased or increased clotting (Partial thromboplastin time) & (Activated partial thromboplastin time)
Created by: allihann1302