Billing code
G912A — Lumbar/sacral facet injection – first site
Lumbar facet injection, first site
Bill G912 for a fluoroscopy-guided diagnostic lumbar or sacral facet injection or branch block, first site.
Watch for: Limited to 6 per patient per 12 months without written Ministry prior authorization.
| Provider | Specialist | Assistant | Anaesthetist | Non-anaesthetist |
|---|---|---|---|---|
| $80.00 | $0.00 | $0.00 | $0.00 | $0.00 |
- Code
- G912A
- Description
- Lumbar/sacral facet injection – first site
- 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
Fluoroscopy-guided diagnostic lumbar or sacral facet injection: medial branch block, facet joint injection or sacral lateral branch block, first site.
What it covers
G912 is a percutaneous diagnostic injection with fluoroscopic guidance at the lumbar/sacral level: a facet medial branch block, facet joint injection or sacral lateral branch block, first site (J75).
Each additional site is G913. Cervical and thoracic first sites are G910 and G911; ultrasound-guided lumbar medial branch blocks are G914 (J75).
Billing rules
- Limited to 6 per patient per 12 months; more needs written prior authorization from the MOH (J75).
- Add G913 for each additional site, maximum 7 per patient per day (J75).
- Diagnostic injections are only paid when done solely to find the source of pain or plan treatment (J74).
- Guidance imaging (professional or technical) is not payable in addition (J74).
- More than one procedure from this section on the same day is only paid if each treats a separate condition (J74).
- Joint injection codes such as G370/G371 are not payable in addition for the same injection (J74).
- Chart the procedure, final needle images where guidance is used, the purpose of the diagnostic injection and whether the response was positive or negative (J74).
Often billed with
- G913 for each additional site (J75).
Common rejections
- AM1: OHIP describes AM1 as 'Service Limit Exceeded': more than 6 G912 services for this patient in 12 months without MOH prior authorization (J75).
Related codes: G910, G911, G913, G914, G915, G916, G917
Source: Schedule of Benefits (July 1, 2026), Diagnostic and Therapeutic Procedures, Nerve Blocks - Interventional Pain Injections, page J75.
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