Field Name |
Data Description |
Test Name |
Electrolytes |
Code |
LYTES |
CPT Code |
80051 |
Last Modified |
4/29/2015 1:44:00 PM |
Test Name |
ELECTROLYTES (3053) |
Synonyms |
Lytes |
Patient Preparation |
|
Spec. Requirements |
Blood |
Tube |
Lt. Green or Gold |
Collection Volume |
3.0 mL Lt Green or 3.5 mL Gold |
Storage |
Ambient - 1 day, 2-8C - 7 days, -20C - 2 weeks (temperature range not defined) |
Routine TAT |
4 hours |
STAT TAT |
50 minutes |
Days Test Performed |
Daily |
Performed by BHS |
All Hospitals |
See Availability |
All shifts |
Reference Lab |
N/A |
Reference Lab Code |
|
Clinical Use |
Used to evaluate electrolyte imbalance. |
Reference Range |
Sodium (Na): 136 - 149 mEq/L
Potassium (K): 3.5 - 5.0 mEq/L
Chloride (Cl): 99 - 110 mEq/L
CO2: 24 - 31 mEq/L |
Critical Value |
Adult: Sodium: <= 120 mEq/L or >= 155 mEq/L Pediatric/Neonate Sodium: <= 130 mEq/L or >= 150 mEq/L Potassium (All Groups): <= 2.9 mEq/L or >= 6.5 mEq/L Potassium Presurgery (All Groups): <=3.2 mEq/L or >= 6.0 mEq/L CO2 (All Groups): <= 10 mEq/L or >= 40 mEq/L |
Component |
CO2 |
Reference Range |
24-31 meq/L |
Critical Value |
<= 10 meq/L; >= 40 meq/L |
 |
|
Testing Sample Type |
Plasma or Serum |
Min Lab Testing Volume |
0.5 mL (0.2 mL) |
Special Handling |
|
Lab Notes |
|
Methodology |
Ion Selective Electrode (ISE) |
Limitations |
>=+2 Hemolysis Index will interfere with potassium.
=+4 Hemolysis Index will interfere with chloride.
=+4 Lipemia Index must be ultracentrifuged for potassium, sodium, and chloride. |