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Sample QC log with fictional data from the PathLab Software demo lab, to show the format your monthly QC log takes. Print it or save it as PDF.

SRI LAKSHMI DIAGNOSTICS (DEMO)
Internal quality control log · September 2026 · sample with fictional data
Westgard multi-rule: 1-2s warning · 1-3s, 2-2s, R-4s, 4-1s, 10x reject
Generated 07 Oct 2026 18:26

Glucose · L1 Assayed chemistry control lot CC-4471 (exp Mar 2027) · Erba EM 200 · target 92 ± 2.8 mg/dL

+3SD 100.4+2SD 97.6+1SD 94.8x̄ 92−1SD 89.2−2SD 86.4−3SD 83.608 Sep 07:30 · 92.8 mg/dL · z 0.308 Sep09 Sep 07:30 · 90.3 mg/dL · z -0.610 Sep 07:30 · 94.5 mg/dL · z 0.911 Sep 07:30 · 92.3 mg/dL · z 0.111 Sep12 Sep 07:30 · 88.6 mg/dL · z -1.213 Sep 07:30 · 93.1 mg/dL · z 0.414 Sep 07:30 · 98.4 mg/dL · z 2.3 · 1-2s14 Sep15 Sep 07:30 · 91.4 mg/dL · z -0.216 Sep 07:30 · 94 mg/dL · z 0.717 Sep 07:30 · 89.5 mg/dL · z -0.917 Sep18 Sep 07:30 · 93.4 mg/dL · z 0.519 Sep 07:30 · 95.1 mg/dL · z 1.120 Sep 07:30 · 90.9 mg/dL · z -0.420 Sep21 Sep 07:30 · 92.6 mg/dL · z 0.222 Sep 07:30 · 98.7 mg/dL · z 2.4 · 1-2s23 Sep 07:30 · 99.3 mg/dL · z 2.6 · 2-2s23 Sep24 Sep 07:30 · 92.8 mg/dL · z 0.325 Sep 07:30 · 90 mg/dL · z -0.726 Sep 07:30 · 93.7 mg/dL · z 0.626 Sep27 Sep 07:30 · 91.2 mg/dL · z -0.328 Sep 07:30 · 94.2 mg/dL · z 0.829 Sep 07:30 · 89.2 mg/dL · z -129 Sep30 Sep 07:30 · 92.3 mg/dL · z 0.101 Oct 07:30 · 93.1 mg/dL · z 0.4
Date / timeValuezWestgardByCorrective action · acknowledged by
08 Sep 07:3092.80.3in controlS. Kavitha
09 Sep 07:3090.3-0.6in controlS. Kavitha
10 Sep 07:3094.50.9in controlS. Kavitha
11 Sep 07:3092.30.1in controlS. Kavitha
12 Sep 07:3088.6-1.2in controlS. Kavitha
13 Sep 07:3093.10.4in controlS. Kavitha
14 Sep 07:3098.42.31-2sS. Kavitha
15 Sep 07:3091.4-0.2in controlS. Kavitha
16 Sep 07:30940.7in controlS. Kavitha
17 Sep 07:3089.5-0.9in controlS. Kavitha
18 Sep 07:3093.40.5in controlS. Kavitha
19 Sep 07:3095.11.1in controlS. Kavitha
20 Sep 07:3090.9-0.4in controlS. Kavitha
21 Sep 07:3092.60.2in controlS. Kavitha
22 Sep 07:3098.72.41-2sS. Kavitha
23 Sep 07:3099.32.62-2sS. KavithaRecalibrated glucose, fresh control vial, both levels rerun in range; 6 patient samples since last good QC rerun, no reportable change. · Dr. Priya Nair
24 Sep 07:3092.80.3in controlS. Kavitha
25 Sep 07:3090-0.7in controlS. Kavitha
26 Sep 07:3093.70.6in controlS. Kavitha
27 Sep 07:3091.2-0.3in controlS. Kavitha
28 Sep 07:3094.20.8in controlS. Kavitha
29 Sep 07:3089.2-1in controlS. Kavitha
30 Sep 07:3092.30.1in controlS. Kavitha
01 Oct 07:3093.10.4in controlS. Kavitha