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Billing code

Z464A — Revision Or Repair Of Arterio-venous (av) Fistula Or Graft For Haemodialysis - Declotting By Cannula, Any Method

Dialysis access declotting

Bill for declotting a haemodialysis fistula or graft by cannula, any method, including contrast and image guidance.

Watch for: Image acquisition and interpretation with Z464 aren't payable to any physician.

Code

Z464A

Description

Revision Or Repair Of Arterio-venous (av) Fistula Or Graft For Haemodialysis - Declotting By Cannula, Any Method

FHO+ basket

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

Effective date

Apr 1, 2025

Termination date

No end date

Explanation

Updated October 26, 2026

Declotting of a haemodialysis AV fistula or graft by cannula, any method, including image guidance and contrast.

What it covers

Z464 is declotting by cannula, by any method, listed under revision or repair of AV fistula or graft for haemodialysis (J38).

It includes placing the cannula, giving contrast and/or therapeutic agents, and any image guidance (J38).

Billing rules

• Obtaining and interpreting images done with Z464 are not payable to any physician (J38).
• Surgical assistant and anaesthesia are listed as nil: insured but not payable (J38, GP85).
• Open thrombectomy and fistula revisions are separate codes (R941–R946); only one of R941–R946 per patient per day, any physician (J38).
• Z-prefix codes in the D&T section follow the Surgical Preamble (J1).
• Marked #: the fee doesn't include premises, equipment, supplies or staff, which are funded by the hospital or ICHSC (J1, GP13).

Related codes: R941, R943, R944, R942, G312

Source: Schedule of Benefits (July 1, 2026), Diagnostic and Therapeutic Procedures, Dialysis (Revision or repair of AV fistula or graft), page J38.

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