POTASSIUM BLOOD (K)
: Ion-selective electrode diluted (Indirect)
: Abott Ranges 0-<1mo: 3.7-5.9 mmol/L Comment <3days: Premature 0-48 hour range is 3.0-6.0 mmol/L , 1mo-<1yr: 4.1-5.3 , 1-<12yrs; 3.4-4.7 , plasma 12-150yrs: 3.3-4.8 Comment: serum reference range is higher 3.5-5.1 mEq/L
: Light green PST (Lithium Heparin with gel) tube - 4.5 mL
: 1 light green top microtainer
: 1 mL plasma
: 0.3 mL plasma
: Separate within 1 hour and store/ship @ ambient temperature until delivery.
: 7 Days at 20-25C, 7 Days at 2-8C, 1 year at -20C
Reasons for Rejection
: Hemolysis, icteric specimens, and lipimia; improper collection; QNS
: STAT: 1 hour; ROUTINE: 2 hours after receiving in lab
: Hemolysis elevates value
Search Options for the Test Directory:
1. Enter the test name in the Keyword search field.
Hint: You can also enter any part of the test name to expand the search.
(Example: you can type "west" or "sed" or "rate" to find Westergren Sedimentation Rate)
2. Enter the Vanderbilt Test Code, if known.
3. Choose one of the letter boxes to display a list of all test names and keywords starting with that letter.
If you are unable to find a test in our directory, please contact VPLS at
1-800-551-5227 or e-mail firstname.lastname@example.org.