Search For Additional Tests

Search Form
     
UREA NITROGEN, 24 HOUR URINE
Number 565
CPT Code 84540
Alias 
Specimen Container 24Hr Urine Container
Specimen Type 24Hr Urine without preservative
Turn Around Time 
Days Performed Tuesday & Friday
Reference Range 
Alternate Specimen 
Volume 10 mL Aliquot
Stability Ambient 1 Day
Stability Refrigerated 1 Week
Stability Frozen 1 Month
Patient Preparation 
Methodology 

Spectrophotometry

Limitations 
Rejection Criteria 
Additional Instructions 
Performing Laboratory Primex
TagsBUN, NITROGEN BALANCE

COVID-19 Testing Guidance

Primex Clinical Laboratories strives to provide clients with quality testing services to better support patient health. With the ongoing pandemic, COVID-19 testing has become high in demand yet testing supplies are limited.

Read More

COVID-19 Testing Guidance

Primex Clinical Laboratories strives to provide clients with quality testing services to better support patient health. With the ongoing pandemic, COVID-19 testing has become high in demand yet testing supplies are limited.

Read More