Pathology Handbook

 New search
A B C D E F G H I J K L M N O P Q R S T U V W X Y Z # ALL

Urea

Alternative Names:BUN
Laboratory:Clinical Biochemistry
Test Code:URE
Specimen Types:Blood
Container Types:
Lithium Heparin (with Gel)
SST
Adults Volume or Mass:5 mL
Minimum/Paediatric Volume or Mass:1 mL
Transport Instructions between Sites and/or Laboratories:RoomTemp within Alfred/Esky from External sites
Assay Frequency:24/7
MBS Rebatable:Yes
MBS Item No.:66500
Additional Notes:

Test is performed on the Abbott Alinity

Reference Intervals (Adults 19 yrs+)

Male 

<50y:                       3.5 - 8.0 mmol/L,
50-69y:                    4.0-9.0 mmol/L,
70+y:                      4.5-10.0 mmol/L

Female

<50y:                      3.0-7.0 mmol/L,
50-69y:                    3.5-8.0 mmol/L,
70+y:                      4.0-9.0 mmol/L

AACB Harmonised Reference Intervals in use as of 09/08/2026

Paediatric Reference Intervals:

Male and Female

< 2 wks                                  1.0 - 8.2 mmol/L

2 wks - < 1 yr                         1.2 - 6 mmol/L

1 yr - < 10 yrs                         3.2 - 7.9 mmol/L

Female

10 yrs - < 19 yrs                     2.6 - 6.8 mmol/L

Male

10 yrs - < 19 yrs                     2.6 - 7.5 mmol/L