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Z778
Z778 – Amniocentesis - diagnostic or genetic
OHIP Psychiatric Code — OBSTETRICS · Schedule of Benefits
Amniocentesis - diagnostic or genetic. This service is listed under the High Risk Pregnancies section of the Obstetrics chapter.
When to Use
- Use Z778 when performing an amniocentesis for genetic testing or diagnostic purposes in a high-risk pregnancy, distinct from the therapeutic amnioreduction procedure coded as Z779.
- Bill Z778 when the procedure is performed as a standalone diagnostic intervention, ensuring it is not bundled with routine prenatal visits or general obstetrical assessments.
Common Pitfalls
- Avoid billing Z778 in conjunction with Z773 (chorionic villus sampling) for the same patient on the same day, as these are distinct diagnostic procedures and billing both may trigger an audit.
- Do not bill Z778 for routine ultrasound guidance; the fee for Z778 is intended to cover the procedural component, and separate ultrasound codes are generally not payable when performed by the same physician during the same session.
Billing Tips
- If the procedure is performed after hours due to urgent clinical necessity, ensure you append the appropriate E409 or E410 premium to the Z778 claim to capture the 50% or 75% increase respectively.
- Always document the specific high-risk indication for the amniocentesis in the patient record to justify the medical necessity required by the Schedule of Benefits for this specific procedure code.
Provider Fee$102.00
Effective: April 1, 2025
Category
K. Obstetrics
Subcategory
OBSTETRICS
Service Type
Procedure
Code Classes
Obstetrics, Diagnostic and Therapeutic Procedures
All insured services must be documented in appropriate records to establish that: an insured service was provided; the service for which the account is submitted is the service that was rendered; and the service was medically necessary.
Sex Restriction
Female
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