Billing code
Z778A — Amniocentesis Diagnostic Or Genetic
Amniotic fluid sampling
Bill for diagnostic or genetic amniocentesis.
Watch for: When fetoscopy Z773 is done, amniocentesis is part of it; therapeutic amnio-reduction is P050.
| Provider | Specialist | Assistant | Anaesthetist | Non-anaesthetist |
|---|---|---|---|---|
| $102.00 | $0.00 | $0.00 | $0.00 | $0.00 |
- Code
- Z778A
- Description
- Amniocentesis Diagnostic Or Genetic
- 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
Amniocentesis for diagnostic or genetic testing.
What it covers
Z778 is a diagnostic or genetic amniocentesis, listed under High Risk Pregnancies (K10).
It is a # independent operative procedure: the fee does not include hospital-funded premises, equipment and staff (K1, SP4).
Billing rules
- Fetoscopy (Z773) may include amniocentesis; when fetoscopy is done, amniocentesis is part of Z773 (K10).
- Therapeutic amnio-reduction is a different service, P050 (K11).
- Z-codes are independent operative procedures (IOP). If the major pre-operative visit was in the previous 12 months, the only assessment payable before the IOP that day is a minor assessment (GP) or partial assessment (specialist); if the major pre-operative visit is the same day, no other assessment before the IOP is payable (SP4, §13).
- The Surgical Preamble applies to obstetric codes (K2, rule 5).
Related codes: Z779, Z773, Z776, P050, P052
Source: Schedule of Benefits (July 1, 2026), Obstetrics, High Risk Pregnancies, page K10.
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