Inpatient and Outpatient Orderable

24 Hour Urine, Urea Nitrogen

Synonyms

LAB449
NITROGEN BALANCE
NITROGEN, URINE, TIMED
UREA NITROGEN, URINE 24 HOUR
UUN

Cerner Name

Urea Nitrogen, 24 HR Urine

Clinical Info

Specimen Sources

Urine, Catheter Urine, Clean Catch

Specimen Types

Urine

Specimen Volume

Submit an entire 24-hour urine collection. No preservative.

Container

24hr Ur No Preserv

Collection Instructions

Container/Tube: 24 Hr Urine container
Specimen: Submit an entire 24-hour urine collection. No preservative.
Transport Temperature: Refrigerated
Note: Starting and ending times of collection are required on request form for processing. Refrigerate specimen during collection

Transport Instructions

Refrigerated

Specimen Stability

Methodology

Urease

Days Performed

Monday through Sunday

Performing Laboratory

Northwell Health Laboratories

CPT

81050 - urine timed measurement
84540 - urea nitrogen

PDM

5300760

Only Orderable at Locations:

Orderable Everywhere

Results

Component Name	Base Name	Common Name	External Name
INTERVAL TIMED	INTTIME	INTERVAL TIMED	Urine Collection Interval
TOTAL VOLUME URINE	TOTALVOLUR	TOTAL VOLUME URINE	Urine Total Volume
UREA NITROGEN, URINE 24 HOUR	UREA24	UREA NITROGEN, URINE 24 HOUR	Urine Urea Nitrogen per volume
UREA NITROGEN CALCULATION	UREANIT	UREA NITROGEN CALCULATION	Urine Urea Nitrogen per 24 hr
URINE CREATININE	CREATUR	CREATININE U	Urine Creatinine
URINE CREATININE CALCULATION	CREATCALC	CREATININE CALC UR	Urine Creatinine per 24 hr

Result Interpretation

6-17 g/24 hours

Forms

LAB449

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