Total PSA II Elecsys | REF 4641655190

The Roche Total PSA II Elecsys (REF 4641655190) is an electrochemiluminescence immunoassay (ECLIA) reagent kit designed for the quantitative determination of total prostate-specific antigen (PSA) in human serum and plasma. Developed for use on Roche cobas e immunoassay analyzers, the assay leverages Roche's proprietary Elecsys ECLIA technology to deliver reproducible, standardized results that support laboratory workflows in urology, oncology, and general clinical chemistry environments.

Key Features
- Electrochemiluminescence immunoassay (ECLIA) format using ruthenium-labeled detection
- Sandwich principle utilizing biotinylated monoclonal anti-PSA antibody and ruthenium-labeled monoclonal anti-PSA antibody
- Calibrated against the WHO 96/670 reference standard for total PSA
- Equimolar detection of free and complexed PSA forms
- Ready-to-use liquid reagent cassette compatible with Roche cobas e analyzer platforms
- Onboard reagent stability and barcode-controlled handling for streamlined laboratory operations
- Total assay duration and sample volume requirements as defined in the official Roche Method Sheet

Clinical Applications
- Quantitative measurement of total PSA in human serum and plasma
- Laboratory testing in support of prostate health assessment programs
- Use in conjunction with Free PSA assays for calculation of %fPSA ratios where clinically indicated
- Routine high-throughput immunoassay testing in hospital, reference, and clinical laboratories

Product Information
Brand: Roche
Product Name: Total PSA II Elecsys
REF / UPN: 4641655190
Category: Roche Reagents
Assay Technology: Electrochemiluminescence Immunoassay (ECLIA)
Platform Compatibility: Roche cobas e immunoassay analyzers (refer to current Roche compatibility matrix)
Sample Types: Human serum and plasma as specified in the Roche Method Sheet
Measuring Range, Calibration, and Storage: Refer to the official Roche Method Sheet / Instructions for Use accompanying the kit
Pack Size / Tests per Kit: Not specified in the located sources
Storage Conditions: As specified by the manufacturer on the product labeling
Regulatory Status: Refer to local Roche representative for regulatory status in your region

REF / UPN4641655190
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