Q4389Temporary Codes

Neothelium 4l+, per square centimeter (add-on, list separately in addition to

Short description: Neothelium 4l+ per sq cm

Effective date
January 1, 2026
Termination date

Related codes (Q-series)

Frequently asked questions

What is HCPCS code Q4389?

Q4389 is a HCPCS Level II code for Neothelium 4l+, per square centimeter (add-on, list separately in addition to.

What category is HCPCS code Q4389 in?

Q4389 falls under the Temporary Codes category of HCPCS Level II.

When did HCPCS code Q4389 become effective?

Q4389 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.