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Test Code
RRDNA
Test Name
Rickettsia rickettsii DNA
CPT Codes
87798
Expected Turnaround Time
7 days
Clinical Utility
According to the CDC, Rocky Mountain Spotted Fever is the most severe and most frequently reported rickettsial illness in the United States. Infection is transmitted by ixodid (hard) ticks carried by dogs and other mammal species. Initial signs and symptoms of the disease include sudden onset of fever, headache, and muscle pain, followed by development of rash. The disease can be fatal without prompt treatment.
Specimen and Container Info

Specimen Type: Whole Blood

Collection Container: Lavender Top (EDTA)

Alternate Collection Container: Pale Yellow Top (ACD)

Desired Specimen Volume: 0.7 mL
Collection Instructions
  1. Collect whole blood in a lavender top (EDTA) tube via venipuncture.
Processing and Submission Instructions
  1. Transport 0.7 mL of whole blood in the original collection container.
Transport Instructions

Transport to the laboratory refrigerated. 
Stability Requirements

Room Temperature

48 hours

Refrigerated

14 days

Frozen

30 days
Methodology
Real Time Polymerase Chain Reaction
Reference Intervals

See patient report.
Reference Lab
Labcorp Of America Holdings
Testing Schedule
Routine, 6 times per week
The American Medical Association (AMA) Current Procedural Terminology (CPT) codes published by HNL Lab Medicine are guidelines and are intended for informational purposes only. CPT coding is the exclusive responsibility of the billing entity. View the Terms.
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