THE PURSER WELLNESS REFERENCE
Understand your lab vocabulary.
205 approved laboratory references. Explore the exact ranges, units and context from Dr. Purser’s adult baseline.
10 entries
ACTH, morning — lab reference
Collect 7-10 AM with proper chilled handling. Interpret with concurrent cortisol.
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
Interpret with calcium, phosphorus, magnesium, vitamin D, and kidney function.
Adrenal, Pituitary, and Calcium-Regulating HormonesPlasma free metanephrines — lab reference
Supine collection and stress control improve specificity; use exact lab cutoffs.
Adrenal, Pituitary, and Calcium-Regulating HormonesRenin / plasma renin activity — lab reference
Direct renin and plasma renin activity are not interchangeable.
