Electrolyte Urine Random

SIM

13130 

CPT

82436; 84133; 84300 

Synonyms

Urine Lytes; Urine Electrolytes 

Specimen Type

Urine 

Container

Sterile urine container

Collection Instructions

Freshly collected voided urine is optimal

Volume

5 ml preferred 
Min:  1 ml

Additional Information

No preservative required

Patient Preparation

None

Specimen Processing Instructions

None

Transport Requirements

Refrigerated

Specimen Stability

Refrigerated:  72 hours 

Rejection Criteria

Insufficient volume

Reference Range

No reference ranges for random results.

Critical Value

none 

Test Includes

Urine Sodium, Urine Potassium, Urine Chloride 

Methodology

See Below 

Testing Frequency

Daily, Monday - Sunday 

Reviewed By

Crystal Killian

Reviewed Date

3/18/2021

Supplemental

Methodology:
Urine Sodium = Indirect Potentiometry utilizing two glass sodium electrodes

Urine Potassium = Indirect Potentiometry utilizing a potassium ion selective electrode in conjunction with a sodium reference electrode.

Urine Chloride = Indirect Potentiometry utilizing a solid state chloride electrode in conjunction with a glass sodium reference electrode.