Sign in →

Test Code LAB444 Sodium - Random Urine

Useful For

Workup of volume depletion, acute renal failure, acute oliguria and when necessary, differential diagnosis of hyponatremia.  In cases of hyponatremia, decreased urine sodium may indicate extrarenal depletion; dehydration (gastrointestinal or sweat loss), congestive heart failure, liver disease or nephrotic syndromes.  Increased urine sodium may indicate diuretics, emesis, intrinsic renal diseases, Addison’s disease, hypothyroidism or syndrome of inappropriate antidiuretic hormone (SIADH)

Performing Laboratory

  • Asante Rogue Regional Medical Center
  • Asante Three Rivers Medical Center

Performing Department

Chemistry

Specimen Required

Required volume 10 ml urine

Sterile Collection Cup

 

Specimen can be collected at any time

Specimen Minimum Volume

1.0 mL

Specimen Stability Information

Specimen is stable for 30 days when refrigerated at 2°-8°C.

Reject Due To

  • Lack of Two Patient Identifiers:
    • 1-Patient's First & Last name 
    • 2-Patient's Date of Birth

Day(s) Performed

Routine - same day

ASAP - 2 hours after receipt of specimen in lab

STAT - 1 hour after receipt of specimen in lab

Method Name

Ion Selective Electrode

CPT Code Information

84300  -  Sodium; urine

Billing Code

2051191