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NPU Concept Model
General rules and principles
Presentation of results in laboratory reports
Presentation of results in laboratory reports Scope International recommendations on presentation of laboratory results Communication principles Presentation of laboratory report results Various presentations of laboratory report results exist. Description The core...
NPU definition, structure and presentation
NPU definition, structure and presentation Scope NPU definition encompasses essential information about an examination or a measurement. The syntax of a NPU definition comprises of a unique identifier, patient system, component, kind-of-property and measurement unit....
Principles and rules of NPU terminology
Principles and rules of NPU terminology Scope Principles of NPU terminology are prerequisite of succesful communication between multiple parties. Principle All concepts are unambigous and traceable to well-defined, internationally agreed terminology or nomenclature...
Medical and metrological vocabulary
Medical and metrological vocabulary Scope Description of why and how concepts are traceable and defined by international vocabulary Principle All concepts must be defined by international nomenclature, ontology or terminology (Principles of NPU terminology)...
Models in different laboratory fields
Models in different laboratory fieldsContact nputerminology@gmail.com Sitemap NPU Concept model List of kinds of property Vocabulary About FaQ Forum
Subjects beyond NPU terminology
Subjects beyond NPU terminology Contact ysvl@hotmail.com Sitemap NPU Concept model List of kinds of property Vocabulary About FaQ
System
General rules on System
System Abbreviation Syst Synonym Patient system Definition Part or phenomenon of the perceivable or conceivable world consisting of a demarcated arrangement of a set of elements and a set of relationships or processes between these elements (1) Note: The system can be...
Component
General rules on Component
Component Synonym Object Definition A part of the system Note: An object that is being or intended to be measured/examined Scope Generic NPU syntax NPUxxxxx System(specification)—Component(specification); kind-of-property(specification)= ? unit Specifications ...
Kind-of-property
General rules on Kind-of-property
General rules on kind-of-property Abbreviation Kind-of-property (k-o-p) Synonym Definition Scope Generic NPU syntax NPUxxxxx System(specification)—Component(specification); kind-of-property(specification)= ? unit Specifications Specifications added to the...
Measurement units
General rules on measurement units
General rules on measurement unit Purpose A quantitative estimation of a clinical laboratory analyte must be expressed together with an appropriate unit of measurement. Without units, the result is at best useless, at worst dangerously misleading and a great risk to...
Rules for use of SI-prefixes
Rules for use of SI-prefixes in laboratory medicine Definition SI prefixes are a set of multiples and submulitples within the SI system Purpose of the use of SI-prefixes To prevent communication errors due to several expressions of the same unit To ensure that the...
International System of Units
International System of Units Abbreviation SI units Synonym Metric system of units Definition A set of measurement units defined accordance to the corresponding International System of Quantities (ISQ) Scope The system is founded on 7 base SI units corresponding to...
Non-SI units
Definition Measurement unit that is outside the SI system Note: Non-SI units have magnitudes (values) that do not belong to the 7 physical dimensions or basic kinds-of-quantity (length, mass, time, temperature, amount-of-substance, electric current and luminous...
Special units
Units of catalytic-activity (Enzyme activity)
Units of catalytic-activity (Enzyme Activity) Definition Amount of enzyme that catalyses the transformation of certain moles of substrate per time unit under standard conditions (ref. 1) Scope Two corresponding units to catalytic-activity (enzyme activity) exist...
Result type
General rules on result type
General rules on result type Synonyms Value set type, data type, scale of measurement, value set category, value set classification Definition Classification of a value set with one or more common characteristics Description A result type defines (for clinically...
Differential scale
Differential scale Synonym Linear differential scale Definition A scale that contains numerical values after subtraction between two values of the same kind Description Numerical values on a differential scale can be subjected to subtraction and addition, but not...
Logarithmic scale
Logarithmic scale Synonym Log scale Definition A value set that contains numerical values that are exponents or power (x) to base 10 10^x Description A non-linear scale that contains a wide range of numerical values Value set Numerical values between negative infinity...
Narrative description
Narrative description Abbreviation Synonym Definition Scope Description Specifications Reference Ferard, G. a.-A. (2016). Compendium of Terminology and Nomenclature of Properties in Clinical Laboratory Sciences : Recommendations 2016. Royal Society of...
Nominal description
Nominal description Synonym Nominal scale Definition A result type that has a value set that expresses a given category with words or symbols Scope Attribute to nominal properties Description Nomincal description has no magnitude, dimension or units. Examples of...
Ordinal scale
Ordinal scale Abbreviation None Synonym None Definition Quantity, defined by a conventional measurement procedure for which a total ordering relation can be established, according to magnitude, with other quantities of the same kind, but for which no algebraic...
Rational scale
Rational scale Abbreviation None Synonym Unitary ratio scale, ratio scale Definition Rational scale (property) has a magnitude and can be divided by another property Scope The value set is a set of numerical values. There is an absolute zero point. Description The...