Billing code
J164C — Follicle monitoring ultrasound
Follicle monitoring ultrasound
Bill J164 for follicle monitoring ultrasounds, including extra scans in an ovulation induction cycle after the first J162 or J138.
Watch for: Not insured when done to support in-vitro fertilization or artificial insemination.
| Provider | Specialist | Assistant | Anaesthetist | Non-anaesthetist |
|---|---|---|---|---|
| $0.00 | $0.00 | $28.30 | $12.30 | $12.30 |
- Code
- J164C
- Description
- Follicle monitoring ultrasound
- FHO+ basket
- Not in the FHO+ base rate basket (Schedule 2 or 2B).
- Effective date
- Apr 1, 2026
- Termination date
- No end date
Explanation
Updated October 26, 2026
Ultrasound follicle monitoring studies, including extra scans in an ovulation induction cycle.
What it covers
J164 covers follicle monitoring studies (G6).
For ovulation induction, a complete pelvic (J162) or intracavitary (J138) ultrasound is limited to one per cycle; additional ultrasounds are claimed as J164 (G6, note).
Billing rules
- Not insured when done to support in-vitro fertilization or artificial insemination (G2 commentary; G6 commentary).
- Abdominal, pelvic or pregnancy ultrasounds on the same day, same patient, by any physician as a J168 nuchal translucency scan are not payable (G5).
- Bill the technical component (H column) with suffix B and the professional component (P column) with suffix C (G2, rule 1).
- The technical component is payable only at a hospital or a hospital's approved off-site premises; outside hospital, only the professional component (suffix C) is billable to OHIP (G1; G2, rule 2).
- The technical component isn't payable for in-patients, or when the patient is admitted to the same hospital within 24 hours for the same condition (GP11).
- The physician claiming the professional component must personally interpret the study (G1, note 1).
Often billed with
- G334 telephone supervision of ovulation induction with gonadotropins, up to 10 per cycle (J46).
Related codes: J138, J162, G334, J165
Source: Schedule of Benefits (July 1, 2026), Diagnostic Ultrasound, Pelvis, page G6.
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