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Billing code

Z083A — Debridement Of Wound(s) And/or Ulcer(s) Extending Into Subcutaneous Tissue - Four Or More

Debridement of 4+ wounds

Bill once for debriding four or more wounds or ulcers into subcutaneous tissue, with at least 10 minutes done personally.

Watch for: The chart must record the time spent and support each lesion claimed.

Code

Z083A

Description

Debridement Of Wound(s) And/or Ulcer(s) Extending Into Subcutaneous Tissue - Four Or More

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

Debridement of four or more wounds or ulcers into subcutaneous tissue at one visit. The chart must support each lesion and the time spent.

What it covers

Z083 is debridement of four or more wounds and/or ulcers extending into subcutaneous tissue, the top of the Z080 to Z083 series (M10).

It includes applying any necessary dressing (M10). Wounds reaching tendon, ligament, bursa or bone are Z084 (one) and Z085 (two or more) (M10).

Billing rules

• One Z083 covers four or more wounds or ulcers (M10).
• Only payable when the physician performs at least 10 minutes of debridement, personally (M10).
• The chart must record the time spent and document the debridement of each separate lesion claimed (M10).
• Not payable with laceration repair (Z154, Z175–Z177, Z179, Z190–Z192) or complex laceration repair (Z187–Z189) (M10).
• Not payable in addition to a surgical procedure unless complications need care beyond the usual post-operative care (M10).
• Add E542 when performed outside hospital (M10).

Often billed with

• E542 when the debridement is done in the office (M10).
• A007 intermediate assessment at the visit where the decision to debride is made (GP4, SP4).

Related codes: Z080, Z081, Z082, Z085, E542

Source: Schedule of Benefits (July 1, 2026), Integumentary System Surgical Procedures, Skin and Subcutaneous Tissue, Wound and ulcer debridement, page M10

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