Reference Ranges - ABL90
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Hi all,
For other hospitals with Radiometer's ABL90, how do you handle reference ranges (finding literature and in house verification) for more difficult sample types such as capillary for oximetry values and pO2 for venous blood?
For other hospitals with Radiometer's ABL90, how do you handle reference ranges (finding literature and in house verification) for more difficult sample types such as capillary for oximetry values and pO2 for venous blood?
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It is really difficult to validate blood gas reference ranges. When our organization switched blood gas analyzers, we looked at the "new" ranges (ABG and VBG) vs our established ranges and did a literature review. There was very little variation in adult ranges across multiple references.
For the implementation folder, listed old vs analyzer-specific ranges, summarized the findings from each citation along with a list of references. Our pathologist then decided not to change any of the reference ranges. Added the following statement to the end of the lit search "I have reviewed the following normal range validation literature review for the performance specifications listed for the _____Name of analyzer______ and the ranges are acceptable for patient testing". He then signed and dated.