Diameter (diam.)

Abbreviation

Diam.

Definition in words

Two times radius of component B

Definition by equation

Systematic terms

Diameter of component B in system 1
Ratio scale
  • Value sets are positive numerical values
  • Algebraic operations are allowed (a=nb; a≠nb)
Numerical values from 0-∞

Unit

µm, mm, m, etc.

Non-recommended term

d, D

Reference

Ferard G, Dybkaer R, Fuentes-Arderiu X. Compendium of Terminology and Nomenclature of Properties in Clinical Laboratory Sciences : Recommendations 2016. 1 ed: Royal Society of Chemistry; 2016. 182 p.

Laboratory field

Examples

Allergology

 
 
Generic abbreviated
NPU22170 Skin(spec.)—Bee venom induced papule; diam.(proc.) = ? mm
Full result NPU22170 Skin(specification)—Bee venom induced papule; diameter(procedure) = 13 mm
Abbreviated result  NPU22170 Skin(spec.)—Bee venom induced papule; diam.(proc.) = 13 mm
Written expression The diameter of Bee venom induced papule of Mr. Smith’s skin on right arm is [13] mm. The measurement is performed according to procedure defined by the laboratory.
Equation

Notes
The lateralization and anatomical topography must be specified by the laboratory in the patient journal.

Reference

NPU database, https://www.ifcc.org/ifcc-scientific-division/sd-committees/c-npu/npusearch/ and http://www.labterm.dk/default.aspx
  • Kind-of-property

    • Nominal kind-of-property

    • Kind-of-quantity

      • Unitary kind-of-quantity

        • Rational unitary kind-of-quantity

          • Diameter

Reference

  • Dybkaer R. Concept system on ‘quantity’: formation and terminology. Accredit Qual Assur. 2013;18(3):253-60.
  • Dybkaer R. ISO terminological analysis of the VIM3 concepts ‘quantity’ and ‘kind-of-quantity’. Metrologia. 2010;47(3):127-34.
Date Term Note
1996-01-01 Diameter Term established