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Test Code GLBF Glucose, Body Fluid

Additional Codes

PowerChart: Glucose Body Fluid

MA Cerner: Fluid Glucose Level

Reporting Name

Glucose, BF

Performing Laboratory

Mayo Clinic Laboratories in Rochester

Specimen Type

Body Fluid

Ordering Guidance

For spinal fluid specimens, order GLSF / Glucose, Spinal Fluid. Testing will be changed to GLSF if this test is ordered on that specimen type.

Necessary Information

1. Date and time of collection are required. 2. Specimen source is required.

Specimen Required

Specimen Type: Body fluid

Preferred Source:

-Peritoneal fluid (peritoneal, abdominal, ascites, paracentesis)

-Pleural fluid (pleural, chest, thoracentesis)

-Drain fluid (drainage, JP drain)

-Peritoneal dialysate (dialysis fluid)


-Amniotic Fluid

-Synovial Fluid

Acceptable Source: Write in source name with source location (if appropriate)

Collection Container/Tube: Sterile container

Submission Container/Tube: Plastic vial

Specimen Volume: 1 mL

Collection Instructions:

1. Centrifuge to remove any cellular material and transfer into a plastic vial.

2. Indicate the specimen source and source location on label.

Specimen Minimum Volume

0.5 mL

Specimen Stability Information

Specimen Type Temperature Time Special Container
Body Fluid Refrigerated (preferred) 7 days
  Frozen  30 days
  Ambient  24 hours

Reference Values

An interpretive report will be provided.

Day(s) Performed

Monday through Sunday

Test Classification

This test has been modified from the manufacturer's instructions. Its performance characteristics were determined by Mayo Clinic in a manner consistent with CLIA requirements. This test has not been cleared or approved by the US Food and Drug Administration.

CPT Code Information


LOINC Code Information

Test ID Test Order Name Order LOINC Value
GLBF Glucose, BF 2344-0


Result ID Test Result Name Result LOINC Value
GL_BF Glucose, BF 2344-0
FLD12 Fluid Type, Glucose 14725-6

Report Available

Same day/1 to 3 days

Reject Due To

Gross hemolysis Reject
Gross Lipemia Reject
Gross Icterus Reject
Anticoagulant or additive Breast milk Nasal secretions Gastric secretions Bronchoalveolar lavage (BAL) or bronchial washings Colostomy/ostomy Feces Saliva Sputum Cerebrospinal fluid Urine Vitreous fluid Reject

Method Name

Enzymatic, Hexokinase

Useful For

Aiding in the diagnosis of infection using body fluid specimens

Secondary ID