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Treponemal Antibody Test (Most Recent Date)

Published: August 9, 2026Updated: August 16, 2026

This test checks when your last treponemal antibody test was performed, often used in syphilis screening to confirm or monitor infection status.

Quick summary

["Your last syphilis screening result helps track if treatment was needed or if infection persists."]

Medically reviewed by WellAlly Editorial TeamLast reviewed August 16, 2026Editorial policy

Key facts at a glance

LOINC
75176-8
Short code
DATEOFMOSTRECENTTREPONEMALTEST
Synonyms
—
Category
chemistry
Sample
serum
Container
Red-top tube (SST)
Units
N/A
Fasting
false
Population
adult
Sex
all
Age range
18–65 years
Specimen volume
5 mL
Stability
Room temperature: 4h, Refrigerated: 24h, Frozen: 7d
Hemolysis max
500
Lipemia max
1000
Icterus max
500
TAT
4–24 hours
Order
routine

Why This Test Matters in Syphilis Screening

Treponemal tests detect antibodies to *Treponema pallidum*, the bacterium causing syphilis. While non-treponemal tests (like RPR) screen for early infection, treponemal tests (like FTA-ABS or TP-PA) confirm syphilis. This record ensures proper follow-up if infection is suspected.

When You Might Need This Test

Your provider may request this test if you have symptoms like sores, rashes, or fever, or if you’re at higher risk (e.g., sexually transmitted infection exposure, recent travel to areas with higher syphilis rates). It’s also used during pregnancy to check for syphilis transmission risks.

What to Expect During Testing

This test is typically a blood draw (serum/plasma sample). Results are usually reported as a date—no lab values are provided. Follow-up may include additional tests if infection is suspected.

What the Date Means for You

The date alone doesn’t indicate infection status. It helps providers track when to retest or retreat if needed. If you’re asymptomatic, this test may be part of routine monitoring (e.g., during pregnancy or after exposure).

Clinical interpretation

How abnormal results are interpreted and what conditions they suggest.

Clinical Significance: Role in Diagnosis and Management

Short name

Most Recent Treponemal Test Date

Frequently asked questions

What does this test tell me about my health?
This test doesn’t show current infection status—it only records when your last treponemal antibody test was done. If you’re concerned about syphilis, ask your provider about recent non-treponemal screening results (e.g., RPR) or confirmatory tests (e.g., FTA-ABS).
Why was this test done?
Your provider may have ordered it to confirm syphilis diagnosis, monitor treatment progress, or check for reinfection. It’s also used in high-risk groups (e.g., pregnant women, sexually active individuals) to prevent complications.
What should I do if my last test was years ago?
If it’s been a while since your last test, discuss with your provider whether you need updated screening. Syphilis can change over time, and newer tests may be more sensitive for early or latent infection.
  1. 1
    MedlinePlus — Laboratory TestsSource
  2. 2
    Lab Tests OnlineSource
  3. 3
    Mayo Clinic — Tests & ProceduresSource

Click any link to access the full source. PubMed Central (PMC) links provide free full-text access.

This information is for educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment.

Medical Disclaimer

This content is for general informational and educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment. Always seek the guidance of a qualified healthcare provider with any questions you have about a medical condition, and never disregard professional medical advice or delay seeking it because of something you read here.

If you think you may have a medical emergency, call your local emergency number or go to the nearest emergency department immediately.

Medically reviewed by WellAlly Editorial Team Last reviewed August 16, 2026. · Read our editorial policy