What does ULRR stand for?

Upper Limit of the Reference Range

This definition appears very rarely and is found in the following Acronym Finder categories:

Science, medicine, engineering, etc.

Other Resources:

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Uzsienio Lietuviu Remimo Centras (Lithuanian: Lithuanian Foreign Support Center; Lithuania) Upper Limb Reduction Deficiency University of Lethbridge Research Fund (Canada) University of Louisville Research Foundation Union of Local and Regional Governments of Latvia Urban League of Rhode Island (Providence) University of London Research Library Services (UK) Ukrainian Land and Resource Management Center University Law Review Project Urban Legend Reference Pages (website)		Unified Land Records System (Philadelphia, PA) Unilateral Lung Reduction Surgery Unlimited Lights Racing Series (est. 1995) Uniformly-Improved Generalized Likelihood Ratio Test Ultra Long Range Thermal Imaging System (thermography) Ultimate Limit State (British steelwork standard) Ultimate Limit States Ultra Low Sulfur (vehicle fuel) Ultra-Large-Scale Systems Unbundled Local Switching (FCC)

Samples in periodicals archive:

5 times the upper limit of the reference range for at least six months.

Attenuation of serum laminin concentrations upon treatment of chronic ...

We did not use a diagnostic cutoff for cTnI because we believe that any elevation above the upper limit of the reference range indicates myocardial injury, no matter how minor.

Long-Term Experience With an Accelerated Protocol for Diagnosis of ...