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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...

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...

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

General rules and principles, NPU Concept model

Subjects beyond NPU terminology Contact ysvl@hotmail.com Sitemap NPU Concept model List of kinds of property Vocabulary About FaQ

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)...

General rules on System

NPU Concept model, 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...

General rules on Component

NPU Concept model, 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 ...

General rules on Kind-of-property

NPU Concept model, Kind-of-property (general rules)

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...

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

NPU Concept model, International System of 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...

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...

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...

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...

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...

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