- Test Name
- Urea
- Aliases
- Urea; Blood Urea Nitrogen; BUN
- Provincial Mnemonic
- URENI
- LOINC Test Code
- 14937-7
- Description and Primary Use
- Evaluation of kidney function. Frequently ordered together with serum creatinine to aid in the differential diagnosis of prerenal, renal and postrenal hyperuremia.
- Reorder interval
- Not yet defined
- TAT
- ≤ 3d
- Test Cost
- Not determined
- Tier
- 1 - General Availability
- Ordering Requirements (Restrictions / Conditions)
No Restrictions
- Required Consultations
- None
- Algorithms and Guidelines
None
- Special Patient Preparation
None
- Special Collection / Transport / Processing Requirements
No special requirements.
- Criteria for Rejection
Based on specimen condition and stability
- Laboratory Service Area
- Clinical Chemistry
- Performing Laboratory / Site
- Selected Category 1, Category 2, Category 3 and Category 4 laboratory sites
- Last Updated
- 01-Jun-18