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Test Code LAB4037 BUN

Specimen Type

Preferred Sample: Lithium Heparin Plasma (PST, Mint Green Top, Dark Green)
Alternative Sample:  Serum Tube (SST, Gold, Corvac, Tiger, Red Top Tube)

Specimen Volume

1.0 mL

Minimum Volume

0.5 mL

Turnaround Time

STAT: 1 hour
Routine: 4 hours

Test Schedule

Daily and STAT

Sample Stability

Room Temp: 7 days
Refrigerated: 7 days
Frozen: 12 months

Method

Colorimetric

Reference Ranges

BUN, mg/dL
  Male Female
0-15 Days <24
15 Days - 1 Year <18
1-10 Years 9.0 - 22.1
10-19 Years 7.3 - 21.0 7.3 - 19.0
19-50 Years 8.9 - 20.6 7.0 - 18.7
>50 Years 8.4 - 25.7 9.8 - 20.1

Synonyms

UREA NITROGEN: BLOOD UREA NITROGEN

Test Components

BUN (UREA), mg/dL

LOINC Code

3094-0

IMO Code

IMO-PROC-30988388

CPT Codes

84520