Table 1 Comparison of acceptable storage times for FII, FV, FVII, FX, FVIII, FIX, FXI, FXII, FXIII, AT, PC, and free PS activities between the CLSI guideline and this study.

From: Effects of storage time and temperature on coagulation factor and natural anticoagulant activities in healthy individuals

Factor

Acceptable storage time (main text of the CLSI H21-ED6 guideline)

Acceptable storage time (this study)

Room temperature (15–25 °C)

Refrigerated (2–8 °C)

Frozen (≤ − 20 °C)

Frozen (≤ − 70 °C)

Room temperature (18–25 °C)

Refrigerated (2–8 °C)

Frozen (− 15 to − 25 °C)

Frozen (− 75 to − 85 °C)

FII (%)

4 h

4 h

3 months

18 months

5 h

5 h

4 months

Not tested

FV (%)

4 h

4 h

3 months

18 months

5 h

5 h

unacceptable

4 months

FVII (%)

4 h

4 h

3 months

18 months

5 h

5 h

4 months

Not tested

FX (%)

4 h

4 h

3 months

18 months

5 h

5 h

4 months

Not tested

FVIII (%)

4 h

4 h

3 months

18 months

3 h

4 h

1 month

4 months

FIX (%)

4 h

4 h

3 months

18 months

5 h

5 h

4 months

Not tested

FXI (%)

4 h

4 h

3 months

18 months

5 h

5 h

4 months

Not tested

FXII (%)

4 h

4 h

3 months

18 months

5 h

5 h

4 months

Not tested

FXIII (%)

4 h

4 h

3 months

18 months

5 h

5 h

4 months

Not tested

AT (%)

4 h

4 h

3 months

18 months

5 h

5 h

4 months

Not tested

PC (%)

4 h

4 h

3 months

18 months

5 h

5 h

4 months

Not tested

Free PS (%)

4 h

4 h

3 months

18 months

5 h

5 h

4 months

Not tested

  1. FII factor II, FV factor V, FVII factor VII, FX factor X, FVIII factor VIII, FIX factor IX, FXI factor XI, FXII factor XII, FXIII factor XIII, AT antithrombin, PC protein C, Free PS free protein S.