Metanephrines is a topic covered in the Davis's Lab & Diagnostic Tests.

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Common Use:
To assist in the diagnosis of cancer of the adrenal medulla or to assess for the cause of hypertension.

Urine from a timed specimen collected in a clean amber plastic collection container with 6N hydrochloride as a preservative.

Normal Findings:
(Method: High-pressure liquid chromatography)

AgeConventional UnitsSI Units
Normetanephrines (Conventional Units × 5.07)
3 mo–4 yr54–249 mcg/24 hr274–1,262 micromol/day
5–9 yr31–398 mcg/24 hr157–2,018 micromol/day
10–17 yr67–531 mcg/24 hr340–2,692 micromol/day
18–39 yr35–482 mcg/24 hr177–2,444 micromol/day
Greater than 40 yr88–676 mcg/24 hr446–3,427 micromol/day
Metanephrines, Total (Conventional Units × 5.07)
3 mo–4 yr79–345 mcg/24 hr401–1,749 micromol/day
5–9 yr49–409 mcg/24 hr248–2,074 micromol/day
10–17 yr107–741 mcg/24 hr543–3,757 micromol/day
18–39 yr94–695 mcg/24 hr477–3,524 micromol/day
40–49 yr182–739 mcg/24 hr923–3,747 micromol/day
Greater than 50 yr224–832 mcg/24 hr1,136–4,218 micromol/day

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