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Syphilis TP
Reproductive
Report in 4Hrs
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No Fasting Required
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Used to confirm syphilis infection by identifying specific antibodies.
₹1,149₹1,400
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Syphilis TP - Comprehensive Medical Test Information Guide
- Why is it done?
- Detects antibodies against Treponema pallidum, the bacterium that causes syphilis infection
- Diagnoses syphilis in patients presenting with clinical symptoms such as genital ulcers, rash, or lymphadenopathy
- Routine screening during prenatal care to prevent congenital syphilis transmission
- Required screening for blood and organ donors to ensure transfusion safety
- Contact tracing in patients with confirmed syphilis diagnosis
- Monitoring response to antibiotic treatment in previously diagnosed cases
- Risk stratification in patients with high-risk sexual behavior or multiple partners
- Normal Range
- Normal/Negative Result: Non-reactive or negative - indicates no detection of Treponema pallidum antibodies
- Abnormal/Positive Result: Reactive or positive - indicates presence of antibodies to Treponema pallidum
- Units of Measurement: Qualitative (positive/negative) or semi-quantitative (titers expressed as dilutions, e.g., 1:4, 1:8, 1:16)
- Interpretation Guidance: Negative/non-reactive result means no evidence of current or past syphilis infection; positive result requires confirmation with treponemal-specific testing such as FTA-ABS or TP-PA
- Interpretation
- Negative/Non-reactive Result: No syphilis infection detected; however, false negatives can occur during the window period (first 3-4 weeks after infection) or in severely immunocompromised patients
- Positive/Reactive Result: Indicates exposure to Treponema pallidum; requires confirmation with specific treponemal tests; may indicate active infection or past infection with lifelong antibody persistence
- High Titer Results (≥1:8): Suggests active or recent infection; often seen in primary, secondary, or early latent syphilis; indicates higher likelihood of treatment requirement
- Low Titer Results (<1:8): May indicate late latent or treated syphilis; possible false positive; should be correlated with clinical presentation and confirmed with treponemal testing
- Factors Affecting Results: Immunocompromised status, HIV co-infection, advanced disease, biological false positives (autoimmune diseases, malignancy, recent vaccinations), pregnancy, age, and time since infection
- Clinical Significance: This is typically a screening test; confirmation requires treponemal-specific tests to differentiate active from past infection and avoid false positives from autoimmune conditions
- Associated Organs
- Primary Organ Systems Affected: Genital/reproductive system, skin, central nervous system (CNS), cardiovascular system, bone and joints
- Diseases Diagnosed or Monitored: Primary syphilis (chancre), secondary syphilis (rash and systemic symptoms), latent syphilis (asymptomatic), tertiary syphilis (gummas, neurosyphilis, cardiovascular involvement)
- Congenital Syphilis: Can affect fetal development causing fetal death, prematurity, low birth weight, structural abnormalities, and long-term complications in the neonate
- Neurosyphilis Complications: Meningitis, general paresis of the insane (GPI), tabes dorsalis, optic neuritis, hearing loss
- Cardiovascular Complications: Aortitis, aortic regurgitation, coronary artery stenosis, aortic aneurysm
- Musculoskeletal Involvement: Periostitis, arthritis, osteitis; gummatous lesions in bone
- Risk of Serious Complications: Significantly increased in patients with HIV co-infection or advanced immunosuppression; higher risk of neurosyphilis and treatment failures
- Follow-up Tests
- Confirmatory Treponemal Tests: FTA-ABS (Fluorescent Treponemal Antibody Absorption), TP-PA (Treponema pallidum Particle Agglutination), or TP-EIA (Enzyme Immunoassay) to confirm positive TP screening results
- Quantitative Non-Treponemal Tests: RPR (Rapid Plasma Reagin) or VDRL (Venereal Disease Research Laboratory) to determine titer levels and assess disease activity
- HIV Testing: Recommended for all patients with confirmed syphilis as co-infection affects treatment and monitoring
- Cerebrospinal Fluid (CSF) Analysis: Indicated if neurosyphilis is suspected; includes VDRL, protein, glucose, and cell count
- Darkfield Microscopy: Direct visualization of treponemes from primary lesion exudate for immediate diagnosis
- Cardiovascular Assessment: EKG and chest X-ray if tertiary syphilis with cardiovascular involvement is suspected
- Follow-up Serology: Repeat non-treponemal testing at 3, 6, and 12 months post-treatment; fourfold decline in titers indicates adequate treatment response
- Other Screening Tests: Hepatitis B and C serology, herpes simplex virus (HSV) testing, gonorrhea screening as indicated
- Fasting Required?
- Fasting Requirement: No
- Fasting Duration: Not applicable; patient may eat and drink normally before blood collection
- Medications to Avoid: None specifically required; however, ongoing antibiotic therapy should be noted as it may affect test interpretation
- Patient Preparation Instructions: No special preparation needed; patient should provide blood sample via venipuncture; inform healthcare provider of all current medications and any recent infections or vaccinations
- Specimen Collection Details: Blood sample collected in standard serum separator tube (SST) or equivalent; no special handling required
How our test process works!

