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Test Code BUNPS Blood Urea Nitrogen (BUN), Plasma


Specimen Required


Supplies: Sarstedt Aliquot Tube, 5 mL (T914)

Collection Container/Tube:

Preferred: Light-green top (lithium heparin plasma gel)

Acceptable: Green top (lithium heparin)

Submission Container/Tube: Plastic vial

Specimen Volume: 0.5 mL

Collection Instructions:

1. Gel tubes: Within 2 hours of collection, centrifuge.

2. Green-top tubes: Within 2 hours of collection, centrifuge and aliquot plasma into a plastic vial.


Useful For

Screening test for evaluation of kidney function using plasma specimens

Method Name

Enzymatic Photometric Assay

Reporting Name

BUN, P

Specimen Type

Plasma Li Heparin

Specimen Minimum Volume

See Specimen Required

Specimen Stability Information

Specimen Type Temperature Time
Plasma Li Heparin Refrigerated (preferred) 7 days
  Frozen  365 days
  Ambient  7 days

Reject Due To

  All specimens will be evaluated at Mayo Clinic Laboratories for test suitability.

Reference Values

Males

1-17 years: 7-20 mg/dL

≥18 years: 8-24 mg/dL

Reference values have not been established for patients who are younger than 12 months of age.

 

Females

1-17 years: 7-20 mg/dL

≥18 years: 6-21 mg/dL

Reference values have not been established for patients younger than12 months of age.

Day(s) Performed

Monday through Sunday

Report Available

Same day/1 to 2 days

Performing Laboratory

MCHS- Mankato

Test Classification

This test has been cleared, approved, or is exempt by the US Food and Drug Administration and is used per manufacturer's instructions. Performance characteristics were verified by Mayo Clinic in a manner consistent with CLIA requirements.

CPT Code Information

84520

LOINC Code Information

Test ID Test Order Name Order LOINC Value
BUNPS BUN, P 3094-0

 

Result ID Test Result Name Result LOINC Value
BUNPS BUN, P 3094-0