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Laboratory medicine and in vitro diagnostics
JCTLM Database: higher-order reference materials, methods and services
Details : C9RMS9 - aspartate aminotransferase (AST) in Blood serum, Blood plasma
| Type (acronym) | rms |
|---|---|
| Type | reference measurement service |
| Unique Nomination Number | C9RMS9 |
| Reference Laboratory Status | Manufacturer |
| Analyte Name | aspartate aminotransferase (AST) |
| IUPAC IFCC Number | EC 2.6.1.1 |
| Applicable Matrices | lyophilized blood serum, or plasma |
| Traceable to SI | Yes |
| Principle of Analytical Procedure | Kinetic spectrophotometry |
| Reference Method Listed in JCTLM | Yes |
| Name of JCTLM Listed Reference Method Procedure | IFCC reference measurement procedure (37 °C) for AST |
| JCTLM Database Identifier Number | NRMeth 68 |
| Procedure Difference in Your Laboratory | No |
| Quantity | Catalytic activity concentration |
| From (0) | 0.29 |
| To (0) | 3.98 |
| Unit (0) | µkat/l |
| From (1) | 2.7 |
| To (1) | 1.9 |
| Unit (1) | % |
| Level of Confidence (%) | 95% |
| Comments on Concentration Range | The conversion factor for enzyme catalytic activity concentrations: 1 U/L = 0.01667 µkat/L.
The range of concentration is within the concentrations measured without dilution of the sample.
|
| Comments on Uncertainty Range | The expanded uncertainty is a relative uncertainty. |
| Laboratory Status | (b) |
| Survey Organisation | RELA - IFCC External Quality assessment scheme for Reference Laboratories in Laboratory Medicine |
| 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/index.shtml |
| Participation Status in Intercomparison Surveys acceptable | YES |
| Comments of Review Teams | The frequency of measurements was not reported on the excel worksheet. |
| Organization Acronym | Maccura |
| Organization Name | Maccura Biotechnology Co., Ltd. Reference System Dept. |
| Organization Website | https://www.maccura.com/en/ |
| Organization Country ISO Code | CN |
| Organization Country Name | China |
| Analyte Category Name | Enzymes |