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Billing code

Z131A — Radical nail excision with nail bed destruction – multiple

Radical removal, several nails

Bill for radical excision of more than one finger or toe nail, including destruction of the nail bed.

Watch for: One nail is Z130; simple nail plate excision is Z128 or Z129.

Code

Z131A

Description

Radical nail excision with nail bed destruction – multiple

FHO+ basket

Not in the FHO+ base rate basket (Schedule 2 or 2B).

Effective date

Apr 1, 2026

Termination date

No end date

Explanation

Updated October 26, 2026

Radical removal of more than one finger or toenail, including destruction of the nail bed.

What it covers

Z131 is radical excision of finger or toenails, including destruction of the nail bed, for multiple nails (M23). One nail is Z130.

Simple, partial or complete nail plate excision needing anaesthesia is Z128 (one) or Z129 (multiple); extensive debridement of an onychogryphotic nail is Z110 (M23).

Billing rules

• E542 is listed under this heading for when the procedure is done outside hospital (M23).
• As a Z-code procedure it is an Independent Operative Procedure (IOP): if your major pre-operative visit was in the prior 12 months, only a partial assessment is payable earlier that day (SP4 §13).
• Marked #: the fee does not include premises, equipment, supplies or staff; in hospital these are funded by the hospital budget, and patients can't be charged for them (GP13).
• Age premiums apply for patients under 16, from 10% to 30% by age (GP64).

Often billed with

• E542 when performed outside hospital (M23).

Related codes: Z130, Z128, Z129, Z110, E542

Source: Schedule of Benefits (July 1, 2026), Integumentary System Surgical Procedures, Skin and Subcutaneous Tissue, page M23.

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