dictionary help| HVA --> homovanillic acid | medical dictionary |
A test that measures the level of catecholamines or their metabolites in the urine. A 24 hour urine sample is necessary for this assay. Elevations may be seen in pheochromocytoma or neuroblastoma. Normal urine levels of adrenaline should be: 0.5 to 20 mcg/ml and normal urine levels of noradrenaline should be 15 to 80 mcg/ml.
Abbreviation: HVA
(27 Sep 1997)
homotypic, homotypical, homotypic cortex, homotypy < Prev | Next > homovanillic acid test, homozoic, homozygosity
Bookmark with:      | word visualiser | Go and visit our forums  |
