A9554Transportation, Medical and Surgical Supplies

Iodine i-125 sodium iothalamate, diagnostic, per study dose, up to 10

Short description: I125 iothalamate, dx

Effective date
January 1, 2026
Termination date

Related codes (A-series)

Frequently asked questions

What is HCPCS code A9554?

A9554 is a HCPCS Level II code for Iodine i-125 sodium iothalamate, diagnostic, per study dose, up to 10.

What category is HCPCS code A9554 in?

A9554 falls under the Transportation, Medical and Surgical Supplies category of HCPCS Level II.

When did HCPCS code A9554 become effective?

A9554 has been effective since January 1, 2026, per CMS's quarterly HCPCS update.

HCPCS Level II data from CMS (public domain). HCPCS Level I (CPT) codes are not included — CPT is copyrighted by the American Medical Association. Always verify codes with authoritative sources before making coding or billing decisions.