Thyroid Hormones | T3 T4 TSH – Laboratory Test Ranges | Reference

Thyroid Hormones | T3 T4 TSH – Laboratory Test Ranges | Reference

Lab Value
TRH 5-6 пg/L

RIA
TSH 0.6-3.8 μU/ml

ELISA
0.24-2.9 μU/ml

RIA
Т4 total 62-141 nmol/L

ELISA
65-160 nmol/L

RIA
Т3 total 1.17-2.18 nmol/L

ELISA
1.04-2.50 nmol/L

RIA
Т4 free 1.5-2.9 μg/100ml

ELISA
10-25 pmol/L

RIA
Т3 free 0.4 ng/100ml

ELISA
4-8 pmol/L

RIA
ETR 0.86-1.13

RIA
FTI 4.42-15.75

RIA
3 25-80 ng/100ml

RIA
TBG 1.2-2.2 mg/100ml

ELISA
13.3-28.3 mg/L

RIA
PBI 6-8 μg/100 ml

chemical method
BEI 3.5-6.5 μg/100 ml

chemical method
Thyreoglobulins

thyroglobulin
< 50 ng/ml

RIA
Calcitonin 5.5-28 pmol/L

RIA
PTH 20-90 pg/ml

Abbreviations:

  • TRH — Thyroliberin or Thyreotropin releasing hormon
  • TSH — Thyrotrophic hormone
  • Т4 — Thyroxin
  • Т3 — Triiodothyronine
  • ETR – Effective thyroxine ratio
  • FTI — Free thyroxine index
  • 3 — Reverse triiodothyronine
  • TBG — Thyroxine binding globulin
  • PBI — Protein-bound iodine
  • BEI — Butanol-extractable iodine
  • PTH — Parathyroid hormone
  • RIA — Radioimmuno assay
  • ELISA — Enzyme-linked immunosorbent assay