Free T3 in perimenopause
Optional follow-up when TSH or symptoms point at the thyroid.
- Panel
- Thyroid
- LOINC
- 3051-0 (verified against loinc.org)
- US unit
- pg/mL
- UK/EU unit
- pmol/L
Why it's on the midlife checklist
The optional third thyroid number, sometimes added when symptoms and the first two disagree. Whether it's needed is your clinician's call; recording it when drawn keeps the set complete.
Keeping the record
Log with the rest of the thyroid panel from the same date — completeness is what makes the record trustworthy.
Source
- Checklist adapted from the Menopause Empowerment Guide (Dr. Mary Claire Haver) — labs to discuss with your clinician, in addition to standard CBC/CMP.
Perity informs, never prescribes — decisions belong with you and your clinician.
Educational content, written and maintained by Perity (founder: EiEi), grounded in the sources cited on this page. It is not medical advice, and Perity never interprets your data or recommends treatment. Last reviewed 2026-07-09.
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