HCPCS code Q4128 — Flexhd/allopatchhd/sq cm. Status: Active. Effective Jan 1, 2026. Source: CMS HCPCS Level II.

Q4128

Active

Flexhd/allopatchhd/sq cm

Flex hd, or allopatch hd, per square centimeter (add-on, list separately in addition to primary procedure)

Category: Temporary
Section: Q-codes: Temporary Codes
Effective: Jan 1, 2026
Code type: alphanumeric
OPPS Status: S1 — Significant procedure (Hospital Part B service)
OPPS APC: 6002

Change History

Quarterly changes published by CMS. Revisions may affect the code description, coverage, or rate — review each quarter's changes before submitting claims.

  • New Code 2026-Q1
    Flexhd/allopatchhd/sq cm
  • Revised 2022-Q4
    Flexhd/allopatchhd/matrixhd
    Flexhd/allopatchhd/sq cm