25-hydroxyvitamin D, total — lab reference
Some search terms matched<10 severe deficiency; 10-19 mild-moderate deficiency. Toxicity assessment requires clinical context.
THE PURSER WELLNESS ENCYCLOPEDIA
Let’s explore “Free PSA / total PSA — lab reference”
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What’s searchable?Testosterone, total — lab reference
Some search terms matchedMorning collection preferred for men. Method and age matter; confirm unexpected low values.
Testosterone, free — lab reference
Some search terms matchedMayo example age 20-24: M 5.25-20.7; F <0.13-1.08. Declines with age and is method-dependent.
Plasma free metanephrines — lab reference
Some search terms matchedHow 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.
Testosterone, bioavailable — lab reference
Some search terms matchedDepends on total testosterone, SHBG, albumin, calculation, and assay.
White blood cell count (WBC) — lab reference
Some search terms matchedYour lab may use its own range. Symptoms, medicines, and the types of white blood cells also matter.
Red blood cell count (RBC) — lab reference
Some search terms matchedAltitude, smoking, hydration, androgen therapy, and pregnancy may shift values.
Hemoglobin — lab reference
Some search terms matchedAsk your clinician to consider altitude and iron/B12/folate status. Pregnancy requires trimester-specific ranges.
Hematocrit — lab reference
Some search terms matchedHydration and altitude are major modifiers. Ask your clinician to review alongside hemoglobin and RBC indices.
Mean corpuscular volume (MCV) — lab reference
Some search terms matchedMacrocytosis and microcytosis require cause-specific interpretation.
Mean corpuscular hemoglobin (MCH) — lab reference
Some search terms matchedThe test method matters. Ask your clinician to review with MCV and MCHC.
PURSER WELLNESSMean corpuscular hemoglobin concentration (MCHC) — lab referenceFrom the reading room
Mean corpuscular hemoglobin concentration (MCHC) — lab reference
Some search terms matchedAnalyzer-specific; hemolysis and cold agglutinins may interfere.
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