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Hi Elisa, Thank you for reaching out to UTAK. We’re here to help and want to resolve this quickly. For the most expedient support (or troubleshooting guides), you may submit your request here: UTAK QC Tech Support. Could you please share the following details so we can properly log and investigate your concern? Field Required Customer Entry Customer Identification Number (CID) Contact Name Contact Email Sales Order # (or) Lot# (or) Part# *Two of the three are required What happened? (e.g., Part number 1234 was shipped) What should have happened? (e.g., part number XYZ should have been shipped) Additional Comments (e.g., steps already taken to troubleshoot, additional notes, or preferred resolutions) Once we have this information, we can move forward quickly with next steps. We appreciate your partnership and look forward to resolving this promptly. Best regards, (Get Help Faster: Include your Customer Identification Number (CID#) in every email, order, or message to UTAK so we can respond without delay.) Quinton Reed Business Development Rep. utak.com – 25020 Avenue Tibbitts Valencia, CA 91355 – D +1.661.456-0116 X164 P +1.888.UTAK.LAB F +1.661.294.9272 Office hours: 8 am - 4:30 pm PST Book a Meeting with Me https://calendly.com/qreed-utak/30min From: Elisa Ruszkiewicz <Elisa.Ruszkiewicz@sperohealth.com> Sent: Wednesday, September 17, 2025 6:31 AM To: UTAK Orders <orders@utak.com> Subject: Failing UTAK PM Plus Low control Good morning, In June, we ordered UTAK PM Plus Low urine control. I recently put the lot in use and noticed that it was failing our quality control parameters after reconstitution. Thinking that there was an internal mistake, I reconstituted a second vial. Both are failing our quality control check and this is something that we have never had occur with this particular QC. I looked at the verified values on the product sheet and the analytes that are failing also have a very low verified value. It is lot D5362 and I am including a copy of the Product description sheet with highlights on the analytes that are failing. Is there any way that we could request a new lot (at no cost) of this quality control that is closer to the expected value? My other alternative would be to make some changes to our internal expected values for this lot, which is a bit more involved. I wanted to ask to see if a switch out would be an acceptable remedy before doing that. I'm happy to send back the unused portion, but it is failing our acceptability parameters. Thank you for your time, Elisa Ruszkiewicz Spero Health Ohio 6592 Sosna Ave Suite 1 Fairfield OH 45014 Elisa Ruszkiewicz |Ohio Laboratory Manager | ext: 57042 PRIVILEGED AND CONFIDENTIAL: This transmission may contain information that is privileged, confidential, and/or exempt from disclosure under applicable law. If you are not the intended recipient, then please do not read it and be aware that any disclosure, copying, distribution, or use of the information contained herein (including any reliance thereon) is STRICTLY PROHIBITED. If you receive this transmission in error, please immediately advise me, by reply email and then delete the email and any accompanying attachments without retaining a copy in any form.