Yale New Haven Hospital

Department of Laboratory Medicine
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Urea nitrogen, timed urine w/creatinine

Lab Section: 

Chemistry

 

Lab Location: 

Main Lab

Test ID: 

LAB3598

 

Methodology: 

Urease/GLDH and Enzymatic

Schedule: 

On request

Reported: 

1 hour for STAT orders; 4 hours for Routine orders

Specimen Requirements: 

Collection: Collect urine on a plain container without additive (Timed Urine)
Pediatric volume: Collect urine on a plain container without additive (Timed Urine)

Must have collection duration.

 

Notes: 

Includes Urine Creatinine

Tests in this Panel: 

Test Name

Reference Interval

Creatinine, Timed Urine [LRR10884]

Age Limit

Sex

Normal Range

0 Days - 999 Years

Any

Not Established

Urea Nitrogen, Timed Urine [LRR16750]

Age Limit

Sex

Normal Range

0 Days - 999 Years

Any

801-1666 mg/dL

Creatinine, Total in Sample [LRR10891]

Age Limit

Sex

Normal Range

0 Days - 999 Years

Male

800.0

2,000.0 mg/TV

18 Years - 999 Years

Female

600.0

1800.0 mg/TV

UREA NITROGEN, TOTAL IN SAMPLE MG [LRR19721]

Age Limit

Sex

Normal Range

0 - 999 Years

Any

12,000.00

20,000.00 mg/TV

CPT Code(s): 

81050, 82570, 84540

Last Changed: 

7/2/2018 2:27 PM

Last Reviewed: 

8/29/2017 8:39 AM