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JCTLM Database: higher-order reference materials, methods and services
Details : C13RMS21 - aspartate aminotransferase (AST) in Calibration solution, Blood serum
| Type (acronym) | rms |
|---|---|
| Type | reference measurement service |
| Unique Nomination Number | C13RMS21 |
| Reference Laboratory Status | Manufacturer |
| Analyte Name | aspartate aminotransferase (AST) |
| IUPAC IFCC Number | EC 2.6.1.1 |
| 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) | 0.4 |
| To (0) | 4.13 |
| Unit (0) | µkat/L |
| From (1) | 2.5 |
| To (1) | 2.5 |
| Unit (1) | % |
| Level of Confidence (%) | 95% |
| Comments on Concentration Range | The measurement range spans from 0.40 µkat/L to 4.13 µkat/L without dilution of the sample. The conversion factor for enzyme catalytic activity concentrations: 1 U/L = 0.01667 µkat/L concentrations measured. |
| Comments on Uncertainty Range | The expanded uncertainty calculated according to GUM |
| 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). |
| 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 |
| Reference to Published Comparison Results | The code of this laboratory in RELA - IFCC EQAS is 61 |
| Additional Information 1 | The participation of RELA - IFCC External Quality assessment scheme for Reference Laboratories in Laboratory Medicine include CK,LDH, ALT,AST,GGT,amylase,ALP. |
| Remarks | Including PT measurement provided by China National Center for Clinical Laboratories and RELA - IFCC External Quality assessment scheme for Reference Laboratories, and lab assigned value for Guangdong Center for Clinical Laboratories, Shenzhen Mindray Bio-medical Electronics CO. LTD and Beijing Aerospace General Hospital Reference Laboratory |
| Organization Acronym | Shenzhen Mindray Bio-Medical Electronics Co., Ltd |
| Organization Name | Shenzhen Mindray Bio-Medical Electronics Co., Ltd. Standardization Laboratory |
| Organization Country ISO Code | CN |
| Organization Country Name | China |
| Analyte Category Name | Enzymes |