ARUP's Laboratory Test Directory

Sodium, Urine : 0020851

Mnemonic: U NA

Methodology: Ion-Selective Electrode
Performed: Sun-Sat
Reported: Within 24 hours
Specimen Required: Collect:  24-hour urine (no additive). Specimen must be refrigerated during collection.  Also acceptable: random urine..

Storage/Transport Temperature:  1 mL aliquot from a well-mixed 24-hour or random collection at 2-8°C.  (Min: 0.2 mL)

Remarks:  Record total volume and collection time interval on transport tube and test request form. Do not use pH adjusted urine specimens.

Stability (collection to initiation of testing):  Ambient: 8 hours; Refrigerated: 1 week; Frozen: 3 months
Reference Interval:
 
Test Number Component Reference Interval
 Sodium, Urine 51-286 mmol/d
0020473Creatinine, 24-Hour Urine  
 
Male Female
3-8 years:      140-700 mg/d
9-12 years:    300-1300 mg/d
13-17 years:  500-2300 mg/d
18-50 years:  1000-2500 mg/d
51-80 years:  800-2100 mg/d
81 years and older: 600-2000 mg/d 		3-8 years:      140-700 mg/d
9-12 years:    300-1300 mg/d
13-17 years:  400-1600 mg/d
18-50 years:  700-1600 mg/d
51-80 years:  500-1400 mg/d
81 years and older: 400-1300 mg/d

CPT Code(s): 84300
 
 

 

 

 
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