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The Atellica® CH Diazo Total Bilirubin (D TBil) assay is for in vitro diagnostic use in the quantitative determination of total bilirubin in adults and children (non-neonates) in human serum and plasma using the Atellica® CH Analyzer. Measurement of total bilirubin, an organic compound formed during the normal and abnormal destruction of red blood cells, is used in the diagnosis and treatment of liver, hemolytic hematological, and metabolic disorders, including hepatitis and gall bladder block.

Atellica CH Diazo Total Bilirubin is a photometric test using 2,4-dichloroaniline (DCA). Direct bilirubin in presence of diazotized 2,4-dichloroaniline forms a red colored azocompound in acidic solution. A specific mixture of detergents enables the determination of the total bilirubin.

The provided document describes the Siemens Atellica® CH Diazo Total Bilirubin (D_TBil) assay, an in vitro diagnostic device, and its performance characteristics to demonstrate substantial equivalence to a predicate device (Dimension TBI Flex reagent cartridge).

Here's an analysis of the acceptance criteria and the study proving the device meets them, based on the provided text:

1. Table of Acceptance Criteria and Reported Device Performance

The acceptance criteria for this in-vitro diagnostic device are generally defined by demonstrating performance within established statistical limits or comparison to a predicate device, as per CLSI (Clinical and Laboratory Standards Institute) guidelines. The "acceptance criteria" themselves are not always explicitly stated as pass/fail thresholds for each performance characteristic in a simple numerical format, but rather as meeting the objectives of the study design (e.g., correlation coefficient of ≥ 0.950).

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