JCTLM Database: higher-order reference materials, methods and services
Details : NRMeth 68 - IFCC reference measurement procedure (37 °C) for AST
| Type (acronym) | rmp |
| Type | reference measurement procedure |
| Unique Nomination Number | NRMeth 68 |
| Analyte Name | aspartate aminotransferase (AST) |
| IUPAC IFCC Number | EC 2.6.1.1 |
| Method capable of Traceability of Analyte to SI or Defined Procedure | Defined procedure |
| Applicable Matrices | lyophilized, fresh, or frozen human serum or plasma |
| Name | IFCC reference measurement procedure (37 °C) for AST |
| Organization that developed Validated Method | IFCC |
| Measurement Techniques Used | Kinetic spectrophotometry |
| Comments 1 | Reference Measurement Procedure approved by IFCC Mail Ballot |
| Quantity | Catalytic amount |
| From (0) | 0.028 |
| To (0) | 4.17 |
| Unit (0) | µkat/l |
| Level of Confidence (%) | 95% |
| Comments on Uncertainty Range | 2.2 % to open |
| Peer Reviewed Publication | Clin. Chem. Lab. Med., 2002, 40, 725-733
|
| Measurand Clearly Defined | By procedure itself |
| Multiple Testing Sites Not Required to obtain a Single Value | No |
| Review Team Name | enzymes |
| Analyte Category Name | Enzymes |
| Non-CCQM Key Comparison Report | In press, data available by request at lothar.siekmann@ukb.uni-bonn.de |
| Measurement principle/technique | Spectrophotometry |