A B C D E F G H I J K L M N O P Q R S T U V W X Y Z #

Osmolality Urine

Test Code
UOSMO


CPT Codes
83935

Preferred Specimen
Urine Cup


Minimum Volume
1 mL


Instructions
Centrifuge specimen prior to testing


Transport Container
Urine Cup


Transport Temperature
Room Temperature


Specimen Stability
Room Temperature: 24 hours; Refrigerated: 24 hours


Methodology
Freezing point depression

Reference Range
50-1400 mOsm/Kg


Clinical Significance
Assessing the kidney's water balance, concentrating ability, and detecting imbalances like dehydration or overhydration, helping diagnose conditions such as diabetes insipidus, SIADH, heart failure, shock, kidney disease, and electrolyte disorders by showing if urine is appropriately dilute or concentrated. Abnormal levels (high or low) signal problems with ADH (antidiuretic hormone) or kidney function, affecting fluid regulation and electrolyte balance, and are crucial for monitoring treatment and disease progression.


Performed By
RFGH Laboratory

Performing Laboratory
RFGH Laboratory



The CPT Codes provided in this document are based on AMA guidelines and are for informational purposes only. CPT coding is the sole responsibility of the billing party. Please direct any questions regarding coding to the payor being billed. Any Profile/panel component may be ordered separately. Reflex tests are performed at an additional charge.