Tosoh ST AIA-PACK T4 Reagent — 100 Tests, AIA-360 / 600 II / 900 (Cat. No. 0025258)

What is it:

The Tosoh ST AIA-PACK T4 reagent is a Tosoh unit-dose immunoassay test cup kit used to quantitatively measure Total Thyroxine (T4) on Tosoh AIA analyzers.

Part numbers:

• Cat. No.: 0025258
• Also searchable as (previous Tosoh part numbers): 025258, 25258

What it's used for:

Total T4 is a core thyroid function marker, run alongside TSH and T3 to assess overall thyroid status. It's used to monitor hypothyroidism, hyperthyroidism, and thyroid replacement therapy, and is often interpreted alongside FT4 when binding-protein abnormalities are suspected.

What's included:

100-test kit (20 cups x 5 trays). Manufactured by Tosoh Corporation.

Compatible analyzers:

• Tosoh AIA-360
• Tosoh AIA-600 II
• Tosoh AIA-900

Storage & shipping:

Contact us before ordering if you have a deadline — we'll confirm availability upfront so you know exactly when it'll arrive.

Why labs order from Transperify:

• ✅ Tosoh ST AIA-PACK reagent, correct Cat. No. guaranteed
• ✅ Transparent pricing — no login required to see cost
• ✅ Competitively priced (typically below major distributor list pricing)
• ✅ Fast, reliable U.S. fulfillment
• ✅ Easy reorder for routine thyroid panel testing

👉 Add to cart above, or browse our full [Tosoh AIA catalog] for more reagents, calibrators, and consumables.

Questions about compatibility or your reorder? 📩 customersupport@transperify.com

FAQs:

What does the ST AIA-PACK T4 reagent measure?

It measures Total Thyroxine (T4) in human serum or heparinized plasma using Tosoh's AIA immunoassay platform.

How many tests are in one kit?

Each kit contains 100 tests (20 cups x 5 trays).

Which Tosoh analyzers is this compatible with?

The AIA-360, AIA-600 II, and AIA-900 systems.