• Bordetella Pertussis Antibody, IgA
  • Alpha 1 Antitrypsin Genotyping/Phenotyping
  • Heroin, Urine
  • Alpha 2 Macroglobulin, Serum
  • PT and aPTT
  • Cytomegalovirus (CMV) Antibody, IgG
  • Nexilin-like Protein (NEXN) Gene Mutation Analysis
  • PM-1 (PM-Scl) Antibody
  • Ki-67
  • Jo 1 Antibody, IgG
  • LDS
  • Sign up
  • Log in
  • LDS
  • /Medical Tests
  • /Thyroxine, Free (FT4)
  • All
  • Diseases
  • Overview
  • Clinical Utility
  • Interpretation
  • Reference Ranges
  • Methodology
  • Specimen Collection
  • Additional Testing
  • Turnaround Time
  • CPT
  • LOINC
  • ICD10
  • Additional ICD10
  • References
  • All
  • Diseases
  • Overview
  • Clinical Utility
  • Interpretation
  • Reference Ranges
  • Methodology
  • Specimen Collection
  • Additional Testing
  • Turnaround Time
  • CPT
  • LOINC
  • ICD10
  • Additional ICD10
  • References

Thyroxine, Free (FT4)
Medical Test

Additional Testing
Access to Thyroxine, Free (FT4) is restricted.