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Z625
Z625 – Selective catheterization of calyces
OHIP Psychiatric Code — UROGENITAL AND URINARY SURGICAL PROCEDURES · Schedule of Benefits
Z625 is for the selective catheterization of one or more calyces, performed as a percutaneous procedure on the kidney and upper urinary tract. This service is listed under the Urogenital and Urinary Surgical Procedures section of the Schedule of Benefits.
When to Use
- Use Z625 when performing selective catheterization of a renal calyx during a percutaneous nephrostomy or related diagnostic/therapeutic radiological intervention.
- Use this code when the procedure is distinct from the primary access or drainage procedure (e.g., Z629) and requires specific navigation into a calyx for contrast injection or stone manipulation.
Common Pitfalls
- Billing Z625 as a stand-alone procedure when it is integral to a more comprehensive surgical procedure that already includes catheterization in its fee description.
- Attempting to bill multiple units of Z625 for multiple calyces; the code is generally considered a single procedural event regardless of the number of calyces catheterized in one session.
Billing Tips
- Ensure the operative report clearly distinguishes the selective catheterization from the initial percutaneous access (Z629) to justify the additional fee.
- If the procedure is performed after hours or on weekends, apply the appropriate E409 or E410 premium to the Z625 fee to maximize the claim value.
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