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HCPCS Level II · Miscellaneous services (temporary codes)

Q4301Activate matrix, per square centimeter (add-on, list separately in addition to primary procedure)

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Source: CMS HCPCS quarterly update, October 2026. Page updated September 29, 2026.

About Q4301

Q4301 is an HCPCS Level II code in the Q series (miscellaneous services (temporary codes)), describing activate matrix, per square centimeter (add-on, list separately in addition to primary procedure).

It was added to HCPCS effective 01/01/2024, and its current record took effect 01/01/2026.

Its Medicare coverage code is "C", meaning coverage is left to the Medicare contractor's judgment.

Details

Short description
Activate matrix, per sq cm
Date added
01/01/2024
Action effective
01/01/2026
BETOS
O1E

Related Q43xx codes

Common questions about Q4301

Is HCPCS Q4301 still valid?

Yes. Q4301 is active in the CMS October 2026 HCPCS file.

Does Medicare cover Q4301?

Its coverage code is "C": coverage is left to the Medicare contractor's judgment. Check the local coverage determination for your region.