Laboratory Medicine and Quality Assurance

Table. 2.

Test schedules and storage temperatures for stability testing

Samples Storage condition No. of specimens Time after preparation
Day 1 Day 3 Day 5 Day 7 Day 10 Day 14 3 wk 4 wk 2 mo 3 mo 4 mo 5 mo 6 mo 7 mo 8 mo 9 mo 10 mo 11 mo 12 mo
IL-19-01 RT 12 2* 2 2 2 2 2
2–8℃ 16 2 2 2 2 2 2 2 2
−20℃ 38 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2
−80℃ 38 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2
Freeze-thaw 4 2 2
IL-19-02 RT 12 2 2 2 2 2 2
2–8℃ 16 2 2 2 2 2 2 2 2
−20℃ 38 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2
−80℃ 38 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2
Freeze-thaw 4 2 2
IL-19-03 RT 12 2 2 2 2 2 2
2–8℃ 16 2 2 2 2 2 2 2 2
−20℃ 38 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2
−80℃ 38 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2
Freeze-thaw 4 2 2
IL-19-04 RT 12 2 2 2 2 2 2
2–8℃ 16 2 2 2 2 2 2 2 2
−20℃ 38 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2
−80℃ 38 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2
Freeze-thaw 4 2 2

Abbreviation: RT, room temperature.

*Number of specimens tested. Four freeze-thaw cycles.

Lab Med Qual Assur 2024;46:66~71 https://doi.org/10.15263/jlmqa.2024.46.1.66
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