undetermined nitrogen

undetermined nitrogen definition - medical

un·de·ter·mined nitrogen (ŭnˌdĭ-tûrˈmĭnd)

noun
The concentration of nitrogen in blood or urine, for example, that can be directly estimated, excluding the nitrogen in such substances as urea, uric acid, or amino acids.

The American Heritage® Medical Dictionary Copyright © 2009 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

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