THE PURSER WELLNESS REFERENCE
Understand your lab vocabulary.
Compare Dr. Purser’s adult ranges with your own report. Units, symptoms and health history matter when you discuss a result with your clinician.
10 entries
ACTH, morning — lab reference
Your clinician may request a morning sample, collected and handled in a particular way, alongside a cortisol test.
Adrenal, Pituitary, and Calcium-Regulating HormonesAldosterone — lab reference
Sodium intake, posture, potassium, time, medications, and renin method are essential.
Adrenal, Pituitary, and Calcium-Regulating HormonesAldosterone-renin ratio — lab reference
Screening cutoff depends on units, method, medications, potassium, and collection protocol.
Adrenal, Pituitary, and Calcium-Regulating HormonesCortisol, serum, afternoon/evening — lab reference
Time-specific and assay-specific.
Adrenal, Pituitary, and Calcium-Regulating HormonesCortisol, serum, morning — lab reference
Collect at a defined time. Assay-specific; dynamic testing may be required.
Adrenal, Pituitary, and Calcium-Regulating HormonesGrowth hormone, random — lab reference
Pulsatile secretion makes random GH difficult to interpret; stimulation/suppression testing may be needed.
Adrenal, Pituitary, and Calcium-Regulating HormonesIGF-1 — lab reference
Age, sex, nutrition, liver disease, diabetes, and assay matter.
Adrenal, Pituitary, and Calcium-Regulating HormonesParathyroid hormone (intact PTH) — lab reference
Ask your clinician to read this result with calcium, phosphorus, magnesium, vitamin D, and kidney function.
Adrenal, Pituitary, and Calcium-Regulating HormonesPlasma free metanephrines — lab reference
How you sit or lie down for the sample, and stress during collection, can affect this result. Use the cutoff from the lab that ran your test.
Adrenal, Pituitary, and Calcium-Regulating HormonesRenin / plasma renin activity — lab reference
Direct renin and plasma renin activity are not interchangeable.
