Test Name

Sodium Urine (random)

Test Code

2910

Unit

mmol/L

Station

Chemistry

Synonym Name/Abbreviation

Na urine random

CPT Code

84300

Performing Facility

American Medical Labs, Herzliya
Pituah

Analyzer

Roche cobas 6000

Test Method

Indirect ISE

AML Preferred Tube

Routine urinalysis leakproof tube or container, BD urine
transport tube, or sterile urine cup.

Storage Instructions

Refrigerated
Stabilty: 14 days at 15-25 �C or
at 2-8 �C Stable at -20 �C

Min. Volume

1 mL urine or 10 mL of well mixed urine from measured 24 hour
collection.

Comments

The urinary excretion of electrolytes varies significantly
with dietary intake. The values given here are typical of people on an
average diet.

Turn-Around-Time

One day

Intended Use

Work up volume depletion, acute renal failure, acute
oliguria, and differential diagnosis of hyponatremia.

Limitations

Measuring range: 10-250
mmol/L

Patient Preparation

If from Urine Collection, instruct the patient to void at 8
AM and discard the specimen. Then collect all urine including the final
specimen voided at the end of the 24-hour collection period (i.e. 8 AM the
next morning).

Reasons for Rejection

No patient preparation
needed.

Adult Reference Ranges

 50 to 150
mmol/L