PTS Diagnostics' A1CNow®+ system is annually certified by the National Glycohemoglobin Standardization Program (NGSP).
The relationship between the National Glycohemoglobin Standardization Program (NGSP) A1c calibration (expressed as % A1c) and the International Federation of Clinical Chemistry (IFCC) network calibration (expressed as mmol/mol) has been shown to be stable and is given by the master equation: (NGSP = [0.09148 * IFCC] + 2.152). For further details and additional references, see the NGSP website at http://www.ngsp.org/.
The A1CNow+ system is NGSP certified (DCCT-traceable) and results can be converted to IFCC units with the master equation. Demonstrating IFCC traceability is a formal process during which A1c blood samples are assigned values by the IFCC network. Manufacturers use these samples to verify alignment of their assay with the IFCC network. The A1CNow+ system is now IFCC-traceable, while continuing to maintain NGSP certification (DCCT-traceable).
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