Name: Syphilis Card (Whole Blood)
Brand: Reckon Diagnostics
SKU: RDT-SYC.108W

Photographed: the 50 Test pack, stock code RDT-SYC.108W.

CARD format. supplied as 50 tests.

Pack size

50 TestRDT-SYC.108W

Stock code RDT-SYC.108W

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Made and batch-released in Vadodara
ISO 13485:2016 quality system
Datasheet published: see every stock code below

Product details.

The Syphilis Card (WB) is a one-step immunochromatographic assay for the qualitative detection of antibodies (IgA, IgM and IgG) to Treponema pallidum in human whole blood, serum or plasma. Recombinant 17, 15 and 47 kDa antigens capture the antibodies in a double antigen format, with a goat anti-mouse IgG control line. Manufactured at Reckon’s Vadodara facility under ISO 13485:2016 quality management, and released against reference standards before dispatch.

The specifications and steps on this page are from the datasheet, last updated 02-2026. The datasheet governs: read it before use, or ask us.

Method: Double antigen format
Sample: Whole blood
Sample volume: 1 drop (about 25 µl) of whole blood
Read at: Within 20 minutes
Sensitivity: 100%
Storage: 2 to 40 °C

Full specification15 items

Category: Rapid diagnostics
Format: CARD
Pack: 50 tests
Datasheet: Published
Method: Double antigen format, lateral flow
Detects: IgA, IgM and IgG antibodies to Treponema pallidum
Sample: Whole blood (finger prick, or EDTA, heparin or oxalate tube), serum or plasma; whole blood keeps 72 hours at 2 to 8 °C; not hemolysed or clotted
Sample volume: 1 drop (about 25 µl) of whole blood; 2 to 3 drops of serum or plasma
Buffer: 2 to 3 drops (60 to 90 µl) for whole blood, 1 more if needed
Read at: Within 20 minutes; never after 30 minutes
Limitation: Qualitative only, not a titre; confirm positives with other tests; a negative result does not rule out infection
Storage: 2 to 40 °C in the sealed pouch; do not freeze
Caution: Bring the device to room temperature before opening the pouch, to avoid condensation
Stock codes: RDT-SYC.108W
Made in: Vadodara, Gujarat, India

Performance5 figures

Sensitivity: 100%: 150 of 150 positive samples, in a 752-sample study against an FDA-approved ELISA
Specificity: 100%: 602 of 602 negative samples
Agreement: 99.67% against another commercial kit: 1 discordant result in 305 samples
Cross-reactivity: None with HIV-1, HIV-2, HBsAg or HCV positive sera (10 of each)
Precision: 100% within run, between runs, and between operators and sites

Procedure at a glance5 steps

Bring the card and the sample to room temperature, and lay the card flat.
Whole blood: add 1 drop (about 25 µl), wait about 30 seconds for it to soak in, then add 2 to 3 drops (60 to 90 µl) of buffer.
Serum or plasma: add 2 to 3 drops of sample to the sample well, without overflowing.
Read within 20 minutes; strong positives may show within 5 minutes. Never read after 30 minutes.
C only is negative; C and T is positive for Treponema pallidum antibodies; no C line means the test is invalid.