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norepinephrine in plasma
Reference interval:
- 110-410 pg/mL (650-2423 pmol/L) {supine}
Increases:
- associated with neurochromaffin tumors
- pheochromocytoma
- paraganglioma
- neuroblastoma
- anxiety
- intense physical exercise
Decreases:
- autonomic neuroapathies
- diabetes mellitus
- parkinsonism
- orthostatic hypotension
Specimen:
1) plasma (heparin or EDTA)
2) chill specimen immediately in ice water
3) separate plasma in refrigerated centrifuge within 30 minutes of collection
4) freeze immediately at -20 degrees C in plastic vials
5) stable for 8 months at -70 degrees C
Related
norepinephrine; noradrenaline (Levophed)
Specific
norepinephrine in plasma standing
norepinephrine in plasma supine
General
catecholamines in plasma
norepinephrine in body fluid
References
- Clinical Guide to Laboratory Tests, 3rd ed. Teitz ed.,
W.B. Saunders, 1995
- Medical Knowledge Self Assessment Program (MKSAP) 11, American
College of Physicians, Philadelphia 1998
- Clinical Guide to Laboratory Tests, 4th ed. Wu HB et al eds.,
W.B. Saunders, 1995
- Panel of 4 tests
Laboratory Test Directory ARUP: 80216
- Mini Panel of 2 tests: Epinephrine . Norepinephrine
Laboratory Test Directory ARUP: 80957