Often increased
5- Fecal FatReference range exampleAll: 1,000–7,000 mg/24hrsLinked diagnostic tests1Fecal Fat Determination (Fat Absorption Test, Fecal Fat Stain)
- Fetal Hemoglobin (Hemoglobin F, HbF)Reference range exampleAdult ( > 16y): 0–2.1 %; Birth - 2wks: 56–90 %Linked diagnostic tests1Fetal Hemoglobin (Hemoglobin F, HbF) Concentration
- Helper T cells (CD3(plus), CD4(plus))Reference range example589–1,505 cells/mm3; 32–61Linked diagnostic tests3Helper T cells (CD3(plus), CD4(plus)) Count
- T-Suppressor (CD8) CellsReference range exampleAll: 15–40 %Linked diagnostic tests1Lymphocyte Immunophenotyping
- Total T cells (CD3(plus))Reference range exampleAll: 55–90 %; 812–2,318 cells/mm3Linked diagnostic tests3Lymphocyte Immunophenotyping, Total T Cells (CD3(plus)) Count