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Urea Nitrogen

Order Code
16331
CPT
84520
Test Details
Synonyms

BUN

TAT

24 hours

Methodology

Enzymatic/Colorimetric

Performing Location

Accredited NRL Laboratory

Testing Frequency

Daily

Test Overview

Measures BUN. Assesses renal function and protein metabolism.

Specimen Type

Serum or Plasma

Volume

0.5 mL

Specimen Container

Gel-barrier tube or Red-top tube or Green-top (Heparin) tube

Patient Preparation

No special preparation is required for this test. You may eat, drink, and take your medications as normal, unless instructed otherwise by your healthcare provider.

Collection

This test does not require any special collection or pre-analytical handling. Follow routine specimen collection protocols.

Specimen Stability
Temperature Period
Refrigerated 7 days
Order Code
16331
CPT
84520
Test Details
Synonyms

BUN

TAT

24 hours

Methodology

Enzymatic/Colorimetric

Performing Location

Accredited NRL Laboratory

Testing Frequency

Daily

Test Overview

Measures BUN. Assesses renal function and protein metabolism.

Specimen Type

Serum or Plasma

Volume

0.5 mL

Specimen Container

Gel-barrier tube or Red-top tube or Green-top (Heparin) tube

Patient Preparation

No special preparation is required for this test. You may eat, drink, and take your medications as normal, unless instructed otherwise by your healthcare provider.

Collection

This test does not require any special collection or pre-analytical handling. Follow routine specimen collection protocols.

Specimen Stability
Temperature Period
Refrigerated 7 days