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JCTLM Database: higher-order reference materials, methods and services
Details : C19RMS24 - aspartate aminotransferase (AST) in Blood plasma, Blood serum, Calibration solution
| Type (acronym) | rms |
|---|---|
| Type | reference measurement service |
| Unique Nomination Number | C19RMS24 |
| Reference Laboratory Status | Manufacturer |
| Analyte Name | aspartate aminotransferase (AST) |
| IUPAC IFCC Number | EC2.6.1.1 |
| Applicable Matrices | Human serum/plasma; fresh frozen, lyophilized Calibration solution |
| Traceable to SI | Yes |
| Principle of Analytical Procedure | Kinetic spectrophotometry |
| Reference Method Listed in JCTLM | Yes |
| JCTLM Database Identifier Number | NRMeth 68 |
| Procedure Difference in Your Laboratory | No |
| Quantity | Catalytic activity concentration |
| From (0) | 0.27 |
| To (0) | 4.14 |
| Unit (0) | μkat/L |
| From (1) | 3.4 |
| To (1) | 2.7 |
| Unit (1) | % |
| Level of Confidence (%) | 95% |
| Comments on Concentration Range | The measurement range of concentration does not involve the dilution of the sample.
The conversion factor for enzyme catalytic activity concentration: 1 U/L = 0.01671 μkat/L.
|
| Comments on Uncertainty Range | The expanded uncertainty is a relative uncertainty. |
| Survey Organisation | IFCC Ring Trials for Reference Laboratories are organized on behalf of the IFCC by the Reference Institute of Bioanalysis (RfB) of the German Society of Clinical Chemistry and Laboratory Medicine (DGKL), they are announced on the DGKL-RfB – website (www.dgkl-rfb.de:81/index.shtml) |
| Intercomparison Results Publicly Available | Yes |
| Link to Comparison Results | RELA - IFCC External Quality assessment scheme for Reference Laboratories in Laboratory Medicine at AND http://www.dgkl-rfb.de:81/ |
| Additional Information 1 | The EQAS organization offers ring trials for all seven enzyme activity measurements according to the IFCC 37 °C reference procedures . |
| Organization Acronym | KHB |
| Organization Name | Reference Laboratory, Shanghai Kehua Bio-engineering Co.,Ltd |
| Organization Website | https://www.skhb.com |
| Organization Country ISO Code | CN |
| Organization Country Name | China |
| Analyte Category Name | Enzymes |