Table 3.

Summary of the stability data for all analytes in plasma and whole blood matrices. The stability of the analyte is assumed for the length of time at the specified temperature.

	Plasma	Whole blood		Plasma	Whole blood
Cefazolin (CZO)			Flucloxacillin (FLU)
	24h RT	24h RT		8h RT	8h RT
	48h 4°C	48h 4°C		24h 4°C	8h 4°C
	2W−20°C			2W−20°C
	8M−80°C			8M−80°C
Cefepime (CEP)			Linezolid (LIN)
	5h RT	24h RT		24h RT	24h RT
	8h 4°C	48h 4°C		48h 4°C	48h 4°C
	1W−20°C			2W−20°C
	8M−80°C			8M−80°C
Cefotaxime (CTA)			Meropenem (MER)
	8h RT	24h RT		8h RT	8h RT
	48h 4°C	48h 4°C		24h 4°C	48h 4°C
	2W−20°C			1W−20°C
	8M−80°C			8M−80°C
Ceftazidime # (CTZ)			Piperacillin (PIP)
	8h 4°C			5h RT	24h RT
				24h 4°C	48h 4°C
				1W−20°C
				8M−80°C
Ciprofloxacin (CIP)			Tazobactam (TAZ)
	24h RT	24h RT		8h RT	24h RT
	48h 4°C			24h 4°C	48h 4°C
	1W−20°C			1W−20°C
	8M−80°C			8M−80°C

RT, room temperature; W, week; M, month; # Stability only evaluated at RT and 4 °C for up to 8 h in plasma.