Q4278Temporary Codes

Epieffect, per square centimeter (add-on, list separately in addition to

Short description: Epieffect, per sq cm

Effective date
January 1, 2026
Termination date

Related codes (Q-series)

Frequently asked questions

What is HCPCS code Q4278?

Q4278 is a HCPCS Level II code for Epieffect, per square centimeter (add-on, list separately in addition to.

What category is HCPCS code Q4278 in?

Q4278 falls under the Temporary Codes category of HCPCS Level II.

When did HCPCS code Q4278 become effective?

Q4278 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.