< Billing codes

Billing code

Z631A — Fine Needle Aspiration Of Renal Transplant

Kidney transplant aspiration

Bill for fine-needle aspiration of a transplanted kidney.

Watch for: Submit under the transplant recipient's health number.

Code

Z631A

Description

Fine Needle Aspiration Of Renal Transplant

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

Fine-needle aspiration of a transplanted kidney.

What it covers

Z631 is fine-needle aspiration of a renal transplant, listed under Renal Transplantation Procedures (T3).

The Renal Transplantation Procedures note says to submit on the recipient's claim, and that these fees don't include immunosuppressive therapy, which is paid fee-for-service (T3).

Billing rules

• Submit under the transplant recipient's health number (T3).
• Z-codes are independent operative procedures (IOP). If you did the major pre-operative visit in the prior 12 months, the only assessment payable the same day before the IOP is a partial assessment (specialist) or minor assessment (GP); if the major pre-op visit is the same day, no other assessment before it is payable (SP4 §13).
• Surgical age premiums apply for patients under 16 (+10% to +30%) (GP64).
• Marked #: the fee doesn't include premises, equipment, supplies or staff, which are funded by the hospital or ICHSC (J1, GP13).

Related codes: Z601, S435, S434, G408, G409

Source: Schedule of Benefits (July 1, 2026), Urogenital and Urinary Surgical Procedures, Kidney and Upper Urinary Tract (Renal transplantation procedures), page T3.

APEX checks every paid claim against the Schedule of Benefits and flags codes billed below what the visit qualified for. See how APEX works · Pricing