Lab HGB Normal Value 12.1-15.7 Why Relevant? Nsg. Assessment/Interventions required Value 10.6 Critical Value Lab RDW-SD Normal Value 37.0-51.0 Why Relevant? Nsg. Assessment/Interventions required Value Critical Value 51.3 Lab 1DC. Difficile Normal Value Why Relevant? Nsg. Assessment/Interventions required Negative Value positive Critical Value