Banner Image

Test Directory

Rickettsia (Typhus Fever) Antibodies (IgG, IgM) with Reflex to Titers

Test Summary

Antigen specific IgG and IgM titers allow rapid diagnosis of infection by one or more of the typhus fever group of rickettsial agents. This group includes Rickettsia typhi (endemic or murine typhus) R. prowazekii (epidemic typhus), and Brill-Zinsser disease caused by reactivation of latent R. prowazekii.

Aliases

  • N/A

Specimen Collection

Special Instructions

N/A

Preferred Specimen

1 mL serum

Minimum Volume

0.2 mL

Instructions

N/A

Patient Preparation

N/A

Storage

Plastic screw-cap vial

Transport Temperature

Room temperature

Specimen Stability

  • Room temperature: 7 days
  • Refrigerated: 14 days
  • Frozen: 30 day

Limitations

Even after infection has been treated, positive results may persist. False-positive reactions may occur during pregnancy.

Other Acceptable Specimens

N/A

Unacceptable Specimens

Gross hemolysis • Grossly lipemic

Order Code

TYPHUS

EPIC (Premier) Code

LAB3892

Includes

If R. typhi IgG is Detected, then R. typhi IgG Titer will be performed at an additional charge (CPT code(s): 86757).
If R. typhi IgM is Detected, then R. typhi IgM Titer will be performed at an additional charge (CPT code(s): 86757).

CPT Code

  • 86757 (x2)

Billing Code

  • 700000

CPT Statement

Methodology

Immunofluorescence Assay (IFA)

FDA Status

FDA Approved

Physician Attestation of Informed Consent

N/A

Testing Laboratory

Quest Diagnostics Nichols Institute
14225 Newbrook Drive
Chantilly VA, 20153

Reference Range

Screen Titer
R. typhi IgG Not detected <1:64
R. typhi IgM Not detected <1:64

Setup Schedule / Expected Turnaround Time

Tuesday - Saturday; Report available: 1 - 4 days

Specimen Collection

Special Instructions

N/A

Preferred Specimen

1 mL serum

Minimum Volume

0.2 mL

Instructions

N/A

Patient Preparation

N/A

Storage

Plastic screw-cap vial

Transport Temperature

Room temperature

Specimen Stability

  • Room temperature: 7 days
  • Refrigerated: 14 days
  • Frozen: 30 day

Limitations

Even after infection has been treated, positive results may persist. False-positive reactions may occur during pregnancy.

Other Acceptable Specimens

N/A

Unacceptable Specimens

Gross hemolysis • Grossly lipemic

Billing

CPT Code

  • 86757 (x2)

Billing Code

  • 700000

CPT Statement

Result Information

Methodology

Immunofluorescence Assay (IFA)

Testing Laboratory

N/A

Reference Range

Screen Titer
R. typhi IgG Not detected <1:64
R. typhi IgM Not detected <1:64

Setup Schedule / Expected Turnaround Time

Tuesday - Saturday; Report available: 1 - 4 days