* Requires physician decision
PAB = prealbumin; RBP = retinol-binding protein; PN = parental nutrition; PO = Orally;
PPN = peripheral parenteral nutrition; CPN = central parenteral nutrition; I = intake; O = output

Adapted from Bickford GR, Brugler LJ, Gannon C. Nutrition assessment outcomes: A protocol for Native American
hospitals Med Lab Obs. 2000.32.32-37.