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Test Code LAB4210 UREA NITROGEN, PERITONEAL FLUID

Important Note

Sample must be walked to the laboratory. Do not use tube system.

Specimen Type

Transparent Red Top Tube

Specimen Volume

1.0 mL

Minimum Volume

1.0 mL

Turnaround Time

STAT: 1 hour
Routine: 4 hours

Test Schedule

Daily

Sample Stability

Room Temp: 7 days
Refrigerated: 7 days
Frozen: 1 year

Specimen Processing

Note type of specimen.

Method

Enzymatic

Reference Ranges

Urea, Fluid mg/dL

No Reference Range Established

Synonyms

UREA, Body Fluid; BUN, Body Fluid

CPT Codes

84520

Rejection Criteria

Clotted or viscous samples. Gross hemolysis.