pseudohyponatremia

[sōō′dō-hī′pō-nə-trēmē-ə]
n.
  1. A low serum sodium concentration resulting from volume displacement by massive hyperlipidemia or hyperproteinemia, or by hyperglycemia.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.