Estradiol — lab reference
In the reference guideFemale cycle-phase detail is on the next section. LC-MS/MS is preferred at low concentrations.
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What’s searchable?Female cycle-phase detail is on the next section. LC-MS/MS is preferred at low concentrations.
Ranges vary across the follicular phase and by assay.
Ask your clinician to read this result with cycle timing and ovulation status.
Method-dependent; LC-MS/MS is preferred at very low values.
Ask your clinician to read this result with testosterone or estradiol, FSH, cycle phase, and pituitary context.
Ask your clinician to read this result with age, ovarian status, testosterone/estradiol, and pituitary context.
Ask your clinician to read this result with estradiol, age, and cycle day.
Your lab may use its own range. Symptoms, medicines, and the types of white blood cells also matter.
Altitude, smoking, hydration, androgen therapy, and pregnancy may shift values.
Ask your clinician to consider altitude and iron/B12/folate status. Pregnancy requires trimester-specific ranges.
Hydration and altitude are major modifiers. Ask your clinician to review alongside hemoglobin and RBC indices.
Macrocytosis and microcytosis require cause-specific interpretation.
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