UR 24Hr Potassium Lvl (TKU)
Department: Chemistry
Test Synonym(s): LAB436, TKU, Potassium 24 Hr Urine, U24K
CPT Codes: 84133
Methodology: Ion-selective electrode diluted (Indirect)
Reference Range: 0 to 150yrs: 25-125 mmol/day
Tube Type: 24 hour urine container - plain (no additive)
Specimen: 24 hour urine-total 24 hour collection
Alternate Specimen: 24 hour urine container; Acid collection is not recommended.
Volume: 50 mL urine
Minimum Volume: 24 hour urine collection
Stability: Room temperature: 45 days; Refrigerated: 60 days; Frozen: 1 year
Reasons for Rejection: improper collection , QNS
Days Performed: Daily
Times Performed: Continuous
Special Instructions: Refrigerate during collection - label with beginning and ending collection times and dates - indicate total volume if an aliquot is sent. Mix specimen well before aliquoting.
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