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Sodium - Blood

Source Blood
Mnemonic NA
Specimen Requirements

1 x 3 mL or 4.5 mL light green (mint) top PST tube.  Gold top SST tube also acceptable.

0.2 mL plasma or serum

Minimum Whole Blood Volumes for Micro-Collections using Microtainers

Specimen Handling
Additional Information
Testing Location Chemistry-All Sites
Rural: CRL
Testing Frequency Daily
Alternate Name(s)
Reference Interval

133 - 145 mmol/L

Click here for critical values.