HemoCue haemoglobin systems--a clarification.

The preferred method to verify the accuracy of a haemoglobinometer is the International Committee for Standardization in Haematology (ICSH) reference measurement of haemoglobin as haemiglobincyanide in whole blood, using a spectrophotometer which has been calibrated directly by the WHO/ICSH primary international reference standard or by means of a commercial standard that has been manufactured in accordance with the ICSH specifications and has been shown to be directly traceable to the primary standard. HemoCue is using the ICSH reference method to calibrate and quality control all haemoglobin instruments and all cuvette batches manufactured by the company.