Bordetella pertussis IgM Antibody


  • EPIC Code:
  • LAB2685
  • Soft Test Code:
  • BTPM
  • Send Out Test Code:
  • 2001769
Alternate Names
  • B Pertussis IgM
  • Bordetella pertussis IgM Antibody, ELISA with Immu
  • Pertussis IgM Antibody
Clinical Significance

Detects levels of Bordetella Pertussis antibodies in the system

Specimen Collection & Preparation

Specimen Requirements

1.0 mL Serum in a SST Gold Top Tube

Alternate Specimen

1.0 mL Serum from a Red Top Tube in a Plastic Vial


48 hours Ambient
2 weeks Refrigerated (preferred)
1 year Frozen 
   Do not use frost-free units that undergo repeated freeze/thaw cycles

Collection Instructions

Clot for 30 minutes and
Centrifuge and separate from cells within fifteen minutes

Parallel testing is preferred
Label samples as: "acute" or "convalescent"
Convalescent samples must be received within 30 days from receipt of acute samples

Clinical Interpretation

Reference Range:

Bordetella pertussis Antibody, IgM by ELISA
0.9 U/mL or less: Negative - No significant level of detectable Bordetella pertussis IgM antibody.
1.0-1.1 U/mL: Equivocal - Repeat testing in 10-14 days may be helpful.
1.2 U/mL or greater: Positive - IgM antibody to Bordetella pertussis detected, which may indicate a current or recent exposure/immunization to B. pertussis.

Bordetella pertussis Antibody, IgM by Immunoblot

  • Semi-Quantitative Enzyme-Linked Immunosorbent Assay (ELISA)

Clinical Significance

Detects levels of Bordetella Pertussis antibodies in the system


This test is designated as a "Research Use ONLY" and requires and ABN as indicated. Medicare and Medicaid will not reimburse the cost of testing. 

Production Schedule

Sites Performed
  • ARUP Lab
Days Performed
  • Sendouts - Clinical
Turn Around Time

5 to 12 days

Coding & Compliance

CPT Coding

86615 (86615)

Medical Necessity May Apply
Medical Necessity Documentation

Because this test is for Research Use Only it will not be billed to Medicaid, Medicare or Medicare Advantage Plans.  The Patient will be responsible for  payment.