Vitamin D (25-OH) in perimenopause
Essential for calcium absorption while bone loss speeds up after estrogen drops.
- Panel
- Bone health
- LOINC
- 62292-8 (verified against loinc.org)
- US unit
- ng/mL
- UK/EU unit
- nmol/L
Why it's on the midlife checklist
Bone loss accelerates around the final period, and vitamin D is the checkable, fixable input to calcium absorption. It travels with the baseline-DEXA conversation — the transition is when bone stops being a someday topic.
Keeping the record
Log results with dates and units (US and UK reports differ). If you supplement, your dose history in Perity sits alongside the lab trend — the pairing your clinician actually wants.
Symptoms this lab gets asked about for
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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