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JCTLM Database: higher-order reference materials, methods and services
Details : C8RMS4 - creatine kinase (CK) in High purity material, Calibration solution, Blood serum, Blood plasma
| Type (acronym) | rms |
|---|---|
| Type | reference measurement service |
| Unique Nomination Number | C8RMS4 |
| Reference Laboratory Status | Hospital |
| Analyte Name | creatine kinase (CK) |
| IUPAC IFCC Number | EC 2.7.3.2 |
| 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?) for CK |
| JCTLM Database Identifier Number | NRMeth 65 |
| Procedure Difference in Your Laboratory | No |
| Quantity | Catalytic activity concentration |
| From (0) | 0.76 |
| To (0) | 17.885 |
| Unit (0) | µkat/l |
| From (1) | 3.8 |
| To (1) | 2.1 |
| Unit (1) | % |
| Level of Confidence (%) | 95% |
| Comments on Concentration Range | The measurement range spans from 0.76 µkat/l to 17.885 µkat/l without dilution of the sample. The range of concentration is adapted to the usual concentrations measured. The conversion factor for enzyme catalytic activity concentrations: 1 U/L = 0.01667 µkat/L |
| Reference Procedure Status Acceptable | YES |
| Laboratory Status | (b) |
| Survey Organisation | IFCC,www.dgkl-rfb.de:81 |
| 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 | Chen et al., Chinese Journal of Laboratory Medicine, 2011, 34(12), 1-3, The trueness evaluation of CK measurement results of routine methods in serum and the correction of systematic bias |
| Additional Information 1 | IFCC:RELA2006~2010 IFCC:RELA2012 |
| Participation Status in Intercomparison Surveys acceptable | YES |
| Organization Acronym | HT711 |
| Organization Name | Beijing Aerospace General Hospital Reference Laboratory |
| Organization Country ISO Code | CN |
| Organization Country Name | China |
| Analyte Category Name | Enzymes |