Electrolytes, whole blood

Collection Requirements

Source: blood

Container(s):

Preferred: Heparinized syringe
Volume: 0.3 mL

Acceptable: Sodium heparin green
Volume: 2 mL in vacutainer

Special Instructions

No additional sample necessary if ordered with a blood gas
Place on ice if not sent immediately

Turn Around Time

15 minutes

Availability

STAT

Includes

Sodium, Potassium, Chloride, Carbon Dioxide (CO2), and ionized Calcium

Lab Processing Instructions

Specimen: whole blood

Performing Laboratory

Adele Hall

Adele Hall Lab Section

Critical Care Lab

Instrumentation/Methodology

Radiometer ABL

Critical Values

Potassium: <2.5 or >7.0 mmol/L
Sodium: <120 or >160 mmol/L

Reference Ranges

Analyte	Age (months)	Reference Range (mmol/L)
Chloride	all ages	99 - 112
Potassium	0-3	3.5 - 6.2
	>3	3.5 - 5.2
Sodium	0-3	132 - 142
	>3	135 - 145
Ionized Calcium	all ages	1.13 - 1.37

CPT

82330
82435
84132
84295