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HelpTest Code NA Sodium, Serum or Plasma
Methodology
Ion-Selective Electrode (ISE)
Specimen Requirements
Container/Tube:
Preferred: Lithium heparin (light green-top)
Acceptable: Serum Gel
Draw blood, spin down and send 1 mL (pediatric: 0.2 mL) of plasma or serum.
Specimen Stability Information
|
Specimen Type |
Temperature |
Time |
|
Plasma,lithium heparin / Serum |
RT, spun |
2 weeks |
|
Refrigerated, spun |
2 weeks |
Reference Values
133-145 mmol/L
Critical values: <120 mmol/L or >160
mmol/L
Reject Due To
|
Hemolysis |
NA |
|
Lipemia |
NA |
|
Icterus |
NA |
Day(s) Test Set Up
Monday through Sunday
CPT Coding
84295
Secondary ID
HHA247
Performing Laboratory
Huntsville Hospital Laboratory/Madison Hospital Laboratory
LOINC Coding
| Test Name | LOINC Code |
|---|---|
|
Sodium, Serum or Plasma |
2951-2 |