Let’s translate the manual into action. Here are three critical procedures every user must master.
At 11:00, patient 44: Emma V., 34, recurrent miscarriages. Suspected antiphospholipid syndrome. Test: aPTT with lupus inhibitor screen.
The START 4 paused. On screen: Flag 217 – Prolonged baseline absorbance. diagnostica stago start 4 coagulation analyzer manual
Alena grabbed the manual, flipping to Appendix D: Troubleshooting Codes.
She rechecked the plasma. Icteric. Bilirubin: 14 mg/dL. Let’s translate the manual into action
The manual offered a solution: “Dilute sample 1:2 in saline. Multiply result by 2. Verify with mechanical clot detection if available.”
She didn’t have a mechanical backup. But the manual had a workaround—Chapter 12: Alternate Methods. She rechecked the plasma
She diluted. Reran. aPTT: 48 seconds (normal range 26–36). Confirmed.
Without the manual’s logic tree, she would have called it falsely normal.
This is the primary document for daily users. It covers: