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LYME SCREEN IGG/IGM REFLEX TO LYME WB

Mnemonic

LYME ABS RFLX

Synonym

Borrelia burgdorferi, Lyme Screen Reflex, Lyme Screen Reflex to Western Blot, Lyme Screen with Reflex to Immunoblot IgG /IgM

Includes

LYME ANTIBODY SCREEN IGG/IGM

Specimen Collection Requirements

Collect

Serum, one 5.0 mL gold (SST) or 7.0 mL red top tube

Handling

Allow serum to clot completely at room temperature (minimum – SST: 30 minutes, red top tubes: 60 minutes). Centrifuge and separate serum from cells ASAP.

Preferred Volume

2.0 mL

Minimum Volume

1.0 mL Serum (2.5 mL minimum whole blood draw)

Transport

Refrigerated (2-8°C)

Rejection Criteria

Grossly hemolyzed, icteric or lipemic specimens; heat inactivated specimens; plasma.

Stability

AFTER SEPARATION FROM CELLS:  Room temperature (18-26°C): Unacceptable; Refrigerated (2-8°C): 7 days; Frozen (≤ -20°C): Unacceptable.

Testing Information

Performed

Mon - Fri

Reported

24-72 hours

Method

 Chemiluminescent Immunoassay

Reference Values

Reference Values

 <= 0.89 Index Value         Negative for Borrelia burgdorferi antibodies.  A negative result does not exclude the possibility of Borrelia burgdorferi infection.  If early Lyme disease is suspected, a second sample should be collected and tested two to four weeks later.

0.90 – 1.09 Index Value     Equivocal for Borrelia burgdorferi antibodies.  Reflexed for Western Blot testing.

>=  1.10 Index Value          Positive for Borrelia burgdorferi antibodies.  Reflexed for Western Blot testing.
 

Comments

Positive and Equivocal results will reflex to Lyme Antibody by Western Blot (IgG AND IgM) performed at ARUP.

CPT Codes

86618, add 86617 X2 if reflexed to WB

Last Updated: Tuesday, October 17, 2017 03:05:47 PM


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