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Test ID: BUN    
Blood Urea Nitrogen (BUN), Serum

Secondary ID A test code used for billing and in test definitions created prior to November 2011


NY State Approved Indicates the status of NY State approval and if the test is orderable for NY State clients.


Useful For Suggests clinical disorders or settings where the test may be helpful

The determination of serum blood urea nitrogen currently is the most widely used screening test for the evaluation of kidney function. The test is frequently requested along with the serum creatinine test since simultaneous determination of these 2 compounds appears to aid in the differential diagnosis of prerenal, renal and postrenal hyperuremia.

Special Instructions and Forms Describes specimen collection and preparation information, test algorithms, and other information pertinent to test. Also includes pertinent information and consent forms to be used when requesting a particular test

Method Name A short description of the method used to perform the test

Photometric, Urease
Also available as part of an Electrolyte panel.

Reporting Name A shorter/abbreviated version of the Published Name for a test; an abbreviated test name

Bld Urea Nitrog(BUN), S

Aliases Lists additional common names for a test, as an aid in searching