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Weil Felix Test

Test Code: 17194 CPT Code: 86757X 3
Specimen Type: Serum (yellow-top tube)
Sample Volume: 3.0 mL (1.0 mL - min)
Transport Condition: Refrigerated condition
Specimen Rejection Criteria: Gross hemolysis
Methodology: Tube Agglutination
Special Requirements: Clinical history is required
Clinical Significance:

Weil Felix test is the most established test to detect immune response of host to different Proteus antigens that cross-respond with rickettsiae. This test serves as an important tool for diagnosis of rickettsial infection.
Run Day: Daily
Reporting Day: 3rd day

Wet Mount using KOH

Test Code: 1313 CPT Code: 87210
Specimen Type: All fluids, scrapings
Sample Volume: Skin, nails & hair
Transport Condition: Room temperature
Specimen Rejection Criteria: NA
Methodology: Microscopy
Special Requirements: No special precautions needed
Clinical Significance:

For fungal detection
Run Day: Daily
Reporting Day: Same day

Widal Test

Test Code: 389 CPT Code: 86000
Specimen Type: Serum collected in a yellow-top tube
Sample Volume: 3.0 mL (1.0mL - min)
Transport Condition: Refrigerated condition
Specimen Rejection Criteria: Gross hemolysis
Methodology: Agglutination
Special Requirements: No special precautions needed
Clinical Significance:

Widal test is used for diagnosis of typhoid and paratyphoid fevers. A 4 fold rise in titer is diagnostic of infection.
Run Day: Daily
Reporting Day: Same day