Sodium, Arterial (Blood Gas)

Specimen Type

Test ID   LAB5303
EPIC Order   SODIUM, WHOLE BLOOD
CPT Code(s)   84295
Group/Individual Test   Individual
Laboratory   Core Laboratory-Blood Gas
Tube Station   31
Specimen Routine: 1.0 mL in 3cc syringe w/lyophilized heparin in BG Kit or SafePICO syringe; See Comments
  Micro: 0.5 mL in 1cc syringe w/lyophilized heparin in BG Kit or full capillary tube
Availability Routine: 24 hrs/day
  STAT: Yes
    10 minutes
Reference Range Normal: 135-145 mmol/L
  Critical: <115 or >155 mmol/L
Comments Deliver immediately to Core Laboratory. Samples are stable up to 4 hours at room temperature.
Syringes with needles attached will NOT be accepted.
Heparinized capillary samples can be analyzed if at least 100 µL of clot-free blood is submitted (for sodium only). Lithium heparin No-Gel (if at least 1 mL) green top-tubes are also acceptable. Samples collected in Sodium Heparin green top tubes are not acceptable.
Syringes may be obtained from Central Distribution.

Reviewed by Christopher Parker on December 09, 2021

Note: Reference ranges provided on this web site are for guidance only, and may not reflect the most recent changes. Refer to laboratory reports for current reference data.

UNC Hospitals
McLendon Clinical Laboratories
101 Manning Drive
Chapel Hill, NC 27514