Arbitrary entitic number (arb.entitic num.)
Abbreviation |
Arb.entitic num. | ||
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Definition in words |
Note 1: This concept has two definitions. Note 2: The reference system is defined by the laboratory. |
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Definition by equation |
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Result type |
Ordinal scale |
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Rational scale |
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Unit |
International unit (IU) or procedure defined unit (p.d.u.) (non-SI units) | ||
Special rule(s) in the NPU syntax |
“Procedure” is stated in the specification to the kind-of-property in the NPU definition. “Procedure” indicates that the measurement procedure must be stated somewhere else than the NPU code and there may be difficulties in comparing values for the same NPU code. If the ratio scale is attributed to the NPU definition, the unit can be non-SI unit. If the unit is an International Unit (IU), an international certified reference material (e.g. WHO reference material) is specified in the specification to the kind-of-property. If there exist no international certified reference material, the laboratory can specify the unit at the placeholder, procedure defined unit. If ordinal scale is attributed, no unit is stated. |
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Reference |
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Laboratory field |
Examples |
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Clinical Immunology and Blood Banking | Example 1 (ordinal) | |
Generic abbreviated form | NPU54860 Trcs(B)—Integrin beta-3; arb.entitic num.(proc.) = ? | |
Full form with a result | NPU54860 Thrombocytes(Blood)—Integrin beta-3; arbitrary entitic number(procedure) = ++ | |
Abbreviated form with a result | NPU54860 Trcs(B)—Integrin beta-3; arb.entitic num.(proc.) = ++ | |
Written expression | The arbitrary number of Integrin beta-3 per thrombocyte in Mr Smith’s blood is [++], compared with arbitrary number of Integrin beta-3 per thrombocyte in a reference system. The measurement is performed according to a procedure defined by the given laboratory. | |
Notes |
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Example 2 (ratio) | ||
Generic abbreviated form | NPU28321 Trcs(B)—CD63 antigen; arb.entitic num.(proc.) = ? (p.d.u.) | |
Full form with a result | NPU28321 Thrombocytes(Blood)—CD63 antigen; arbitrary entitic number(procedure) = 10 arbitrary unit | |
Abbreviated form with a result | NPU28321 Trcts(B)—CD63 antigen; arb.entitic num.(proc.) = 10 arbitrary unit | |
Written expression | The arbitrary number of CD63 antigen per thrombocyte in Mr Smith’s blood is [10] arbitrary unit. The measurement is performed according to a procedure defined by the given laboratory. | |
Equation | ||
Notes | “Arbitrary unit” was chosen by a local laboratory as a proprietary measurement unit and not an accepted international unit. | |
Molecular Biology and Genetics |
Example 3 (ordinal)
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Generic abbreviated form | NPU58663 DNA(B)—KIT gene(LRG_307t1:c.2446G>C); arb. entitic number(procedure) = ? | |
Full form with a result | NPU58663 DNA(Blood)—KIT gene(LRG_307t1:c.2446G>C); arbitrary entitic number(procedure) = 1 | |
Abbreviated form with a result |
NPU58663 DNA(B)—KIT gene(LRG_307t1:c.2446G>C); arb. entitic number(procedure) = 1 |
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Written expression | The arbitrary number of KIT gene(LRG_307t1:c.2446G>C) per DNA in Mr Smith’s blood is [1], compared with arbitrary number of KIT gene(LRG_307t1:c.2446G>C) per DNA in a reference system. The measurement is performed according to a procedure defined by the given laboratory. | |
Notes |
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Example 4 (ratio) | ||
Generic abbreviated form | NPU53049 DNA(spec.)—HLA-DQB1 gene(DQB1*06:02); arb.entitic num.(proc.) = ? | |
Full form with a result | NPU53049 DNA(spec.)—HLA-DQB1 gene(DQB1*06:02); arb.entitic num.(proc.) = 2 arbitrary unit | |
Abbreviated form with a result | NPU53049 DNA(spec.)—HLA-DQB1 gene(DQB1*06:02); arb.entitic num.(proc.) = 2 arbitrary unit | |
Written expression | The arbitrary number of CD63 antigen per thrombocyte in Mr Smith’s blood is [2] arbitrary unit. The measurement is performed according to a procedure defined by the given laboratory. | |
Equation | ||
Notes | Arbitrary unit” was chosen by a local laboratory as a proprietary measurement unit and not an accepted international unit. | |
Reference | NPU database, https://www.ifcc.org/ifcc-scientific-division/sd-committees/c-npu/npusearch/ and http://www.labterm.dk/default.aspx |
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Kind-of-property
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Nominal kind-of-property
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Kind-of-quantity
- Ordinal kind-of-quantity
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Arbitrary entitic number
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- Unitary kind-of-quantity
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Arbitrary entitic numbe
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- Ordinal kind-of-quantity
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Reference |
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Date | Term | Note |
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1996-01-01 | Arbitrary entitic number | Term established. |
NPU term identifier |
QU50110 |