Serum iron — lab reference
In the reference guideMorning fasting collection is preferred when practical. Day-to-day variation is substantial.
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What’s searchable?Folate, serum — lab reference
In the reference guide<4.0 suggests deficiency. Recent intake or supplementation may raise serum values.
Magnesium, serum — lab reference
Some search terms matchedNormal serum magnesium does not exclude tissue depletion.
Serum osmolality — lab reference
Some search terms matchedMeasured and calculated values may differ. Ask your clinician to review osmolal gap when indicated.
Total iron-binding capacity (TIBC) — lab reference
Some search terms matchedAsk your clinician to read this result with iron, transferrin saturation, and ferritin.
Zinc, serum — lab reference
Some search terms matchedFasting, time of day, inflammation, albumin, and trace-metal collection technique matter.
Copper, serum — lab reference
Some search terms matchedEstrogen, pregnancy, inflammation, liver function, and ceruloplasmin affect values.
Selenium, serum — lab reference
Some search terms matchedTrace-metal collection and geographic/dietary context matter.
Cortisol, serum, morning — lab reference
Some search terms matchedCollect at a defined time. Assay-specific; dynamic testing may be required.
Cortisol, serum, afternoon/evening — lab reference
Some search terms matchedTime-specific and assay-specific.
Hemoglobin — lab reference
Some search terms matchedAsk your clinician to consider altitude and iron/B12/folate status. Pregnancy requires trimester-specific ranges.
Carbon dioxide / bicarbonate — lab reference
Some search terms matchedSerum chemistry value. Do not substitute arterial blood-gas bicarbonate ranges.
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