Lot-to-lot Verification Log template
A log in the Lot-to-Lot Verification procedure (PR19), mapped to ISO 15189:2022 clause 6.6.3. Fill it in monthly. Used by the laboratory team.
LogISO 15189 · 6.6.3Monthly
Calculated automaticallyRed = outside limits
Your LaboratoryLot-to-lot Verification Log | YL-LAB-LOG-19-F01 v1.0
Record: Lot-to-lot Verification Log — October 2026
Verification is mandatory before putting a new lot into use. Use the preferred IQC comparison method.
| No. | Reagent / Test Name | Old Lot No. | New Lot No. | Expiry Date (New Lot) | Verification Method (IQC Comp. / Patient Samples / Other) IQC Comp. / Patient Samples / Other | Sample 1 Old Lot | Sample 1 New Lot | Sample 2 Old Lot | Sample 2 New Lot | Sample 3 Old Lot | Sample 3 New Lot | Outcome (Pass/Fail) | Action / Comments |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | R. Naidoo | L2409-A | L2409-A | 2026-10-01 | P-20817 | L2409-A | L2409-A | L2409-A | L2409-A | L2409-A | L2409-A | Pass | None required |
| 2 | S. Dlamini | L2410-B | L2410-B | 2026-10-08 | P-20830 | L2410-B | L2410-B | L2410-B | L2410-B | L2410-B | L2410-B | Pass | None required |
| 3 | A. Mensah | L2411-C | L2411-C | 2026-10-15 | P-20843 | L2411-C | L2411-C | L2411-C | L2411-C | L2411-C | L2411-C | Pass | None required |
| 4 | L. Banda | L2412-D | L2412-D | 2026-10-22 | P-20856 | L2412-D | L2412-D | L2412-D | L2412-D | L2412-D | L2412-D | Fail | Investigated and repeated: within limits |
| 5 | K. Otieno | L2413-A | L2413-A | 2026-10-29 | P-20869 | L2413-A | L2413-A | L2413-A | L2413-A | L2413-A | L2413-A | Pass | None required |
| 6 | T. Moyo | L2414-B | L2414-B | 2026-11-05 | P-20882 | L2414-B | L2414-B | L2414-B | L2414-B | L2414-B | L2414-B | Pass | None required |
| 7 | R. Naidoo | L2415-C | L2415-C | 2026-11-12 | P-20895 | L2415-C | L2415-C | L2415-C | L2415-C | L2415-C | L2415-C | Pass | None required |
| 8 | S. Dlamini | L2416-D | L2416-D | 2026-11-19 | P-20908 | L2416-D | L2416-D | L2416-D | L2416-D | L2416-D | L2416-D | Pass | None required |
Sign-off
| Role | Name | Signature | Date |
|---|---|---|---|
| Completed by | |||
| Reviewed by |
Shaded cells are calculated automatically. Values in red are outside their limits. † marks a corrected value (see Corrections).
Controlled document. Printed copies are uncontrolled unless stamped.Page 1
A4 landscape · first page · showing 8 of 8 rowsExactly as LabToolkit Pro prints it — with your logo and colours
What it records
- Reagent / Test Name
- Old Lot No.
- New Lot No.
- Expiry Date (New Lot)
- Verification Method (IQC Comp. / Patient Samples / Other)
- Sample 1 Old Lot
- Sample 1 New Lot
- Sample 2 Old Lot
- Sample 2 New Lot
- Sample 3 Old Lot
- Sample 3 New Lot
- Outcome (Pass/Fail)
- Action / Comments
Instructions on the form
- Verification is mandatory before putting a new lot into use. Use the preferred IQC comparison method.
Sign-off
- Completed by
- Reviewed by
Related templates
Clause references are to ISO 15189:2022; check them against your licensed copy of the standard.