BRUCELLA ANTIBODY (TOTAL)

LAB221

Collect

Serum separator tube.

Specimen Preparation

Separate serum from cells ASAP or within 2 hours of collection. Transfer 1 mL serum to an ARUP Standard Transport Tube. (Min: 0.2 mL) Parallel testing is preferred and convalescent specimens must be received within 30 days from receipt of the acute specimens. Mark specimens plainly as acute or convalescent.

Unacceptable Conditions

Contaminated, heat-inactivated, hemolyzed, or severely lipemic specimens.

Storage/Transport Temperature

Refrigerated.

Stability (from collection to initiation)

After separation from cells: Ambient: 48 hours; Refrigerated: 2 weeks; Frozen: 6 months (avoid repeated freeze/thaw cycles)

Performed

Mon-Fri

Methodology

Semi-Quantitative Agglutination

Reported

2-4 days

Synonyms

  • LAB221
  • BRUC

Ordering Recommendations

Recommended serology test to detect recent infection from Brucella in the context of a clinically compatible illness and exposure history.

Reference Interval

 < 1:20 Negative

Interpretive Data

Cross-reactions may occur between Brucella and F. tularensis antigens and antisera; therefore, parallel tests should be run with these antigens. A fourfold rise in titer is considered diagnostic. A single serum titer of 1:80 or 1:160 is suggestive of brucellosis when accompanied by a compatible clinical course in a patient with a history of potential exposures.

CPT Codes

86622
Collection

LAB221

Collect

Serum separator tube.

Specimen Preparation

Separate serum from cells ASAP or within 2 hours of collection. Transfer 1 mL serum to an ARUP Standard Transport Tube. (Min: 0.2 mL) Parallel testing is preferred and convalescent specimens must be received within 30 days from receipt of the acute specimens. Mark specimens plainly as acute or convalescent.

Unacceptable Conditions

Contaminated, heat-inactivated, hemolyzed, or severely lipemic specimens.

Storage/Transport Temperature

Refrigerated.

Stability (from collection to initiation)

After separation from cells: Ambient: 48 hours; Refrigerated: 2 weeks; Frozen: 6 months (avoid repeated freeze/thaw cycles)
Ordering

Performed

Mon-Fri

Methodology

Semi-Quantitative Agglutination

Reported

2-4 days

Synonyms

  • LAB221
  • BRUC

Ordering Recommendations

Recommended serology test to detect recent infection from Brucella in the context of a clinically compatible illness and exposure history.
Result Interpretation

Reference Interval

 < 1:20 Negative

Interpretive Data

Cross-reactions may occur between Brucella and F. tularensis antigens and antisera; therefore, parallel tests should be run with these antigens. A fourfold rise in titer is considered diagnostic. A single serum titer of 1:80 or 1:160 is suggestive of brucellosis when accompanied by a compatible clinical course in a patient with a history of potential exposures.

Administrative

CPT Codes

86622

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