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HelpTest Code U LYT Electrolytes, 24 Hour, Urine
Performing Laboratory
NRL-Chemistry
Methodology
| Profile Information: | |
| Chloride | Potassium |
| Creatinine | Sodium |
Method Name:
Ion-Selective Electrode (ISE)
General Information:
Useful for evaluating electrolyte regulation and renal
function.
Specimen Requirements
Specimen Type: Urine, 24-hour
Container/Tube: Plastic urine container
Specimen Volume: Entire collection
Collection Instructions: No preservative. Refrigerate specimen during collection.
Additional Information:
1. Starting and ending times of collection are required.
2. Follow instructions in Urine Collection in Special Instructions.
Reference Values
CHLORIDE, CALCULATED
70-250 mmol/24 hours
CREATININE, CALCULATED
Males: 0.80-2.00 g/24 hours
Females: 0.60-1.80 g/24 hours
CREATININE, URINE
20.0-300.0 mg/dL
POTASSIUM, CALCULATED
30-100 mmol/24 hours
POTASSIUM, URINE
10.0-160.0 mmol/L
SODIUM, CALCULATED
40-220 mmol/24 hours
SODIUM, URINE
15-220 mmol/L
Note: Results are calculated using total volume and length of collection and results are adjusted to units/24 hours.
Day(s) Test Set Up
Monday through Sunday
Specimen Transport Temperature
Refrigerate
Test Classification and CPT Coding
81050-Urine timed measurement
82436-Chloride
84133-Potassium
84300-Sodium