bal.pe.kr Thyroid Test Interpreter한국어
⚠️ 본 도구는 의학적 진단이 아니며 참고용 셀프체크입니다. 갑상선 기능은 수치만으로 단정할 수 없고 증상·임상소견·검사기관 참고치에 따라 해석이 달라집니다. 검사기관 참고범위와 의료진 상담이 우선입니다.

Thyroid Function Test Interpreter

Enter TSH and Free T4 (optional Free T3) to see their position against the reference range and a combined hypo/hyper pattern read. Reference only, not a diagnosis.

🩸 Enter Test Values

Type the values exactly as printed on your blood test report.

µIU/mL
ng/dL

📏 Reference range (edit to match your lab)

Reference ranges vary by lab and analyzer. Replace these with the range printed on your report for a more accurate read.

TSH µIU/mL
Low
~
High
Free T4 ng/dL
Low
~
High

ℹ️ Additional info

Combined pattern

Normal pattern

Both TSH and Free T4 are within the reference range, so thyroid function appears normal.

👉 If there are no other concerns, follow your usual checkup schedule. If you have symptoms despite normal values, you can still see a doctor.

Position vs. reference range

TSH2.5 µIU/mLNormal

The grey band is the normal reference range. (0.4~5.1)

Free T41.2 ng/dLNormal

The grey band is the normal reference range. (0.8~1.9)

How do TSH and Free T4 differ?

TSH is the 'control signal' the pituitary sends to the thyroid, while Free T4 is the actual hormone the thyroid produces. When hormone is low the body raises the signal (TSH); when it is high, it lowers it. So the combination of signal (TSH) and actual hormone (FT4) reveals the pattern.

Reference range & basis

  • 📏 Adult general reference: TSH 0.4–5.1 µIU/mL, Free T4 0.8–1.9 ng/dL, Free T3 2.3–4.2 pg/mL (Korean lab composite, editable)
  • 🧭 Logic: TSH × Free T4 combination interpretation per Korean Thyroid Association guidance and standard internal-medicine texts

※ Reference ranges vary by lab, analyzer, age, and pregnancy. This tool's read is for reference only and is not a medical diagnosis.

Guide · FAQ · bal.pe.kr 도구 모음

수치 해석 상세는 Guide , 자주 묻는 질문은 FAQ , 참고범위 출처·운영 정보는 About 참조. 마지막 업데이트 2026-07-11.