What are the billing rules for G875A?

Bill G876 for each additional injection, to a maximum of 11 (J51). Add G877 when EMG and/or ultrasound guidance is needed to find the site for one injection. G878 (two or more injections) is listed with G876 (J51). Limited to one treatment per condition per patient every 10 weeks. If more frequent treatment is needed, submit the claim for manual review with supporting documentation (J52).

What is G875A often billed with?

G876 each additional injection, maximum 11 (J51). G877 or G878 EMG/ultrasound guidance (J51). E543 disposable EMG hypodermic electrode outside hospital (J51).

Why is G875A rejected?

AM1: OHIP describes this as 'Service Limit Exceeded': botulinum toxin treatments are limited to one per condition per patient every 10 weeks; more frequent treatment needs manual review with documentation (J52).

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Billing code

G875A — Botulinum Toxin Injection For The Following Conditions: Oromandibular Dystonia, Limb Dystonia, Cervical Dystonia Or Spasticity - First Injection

Q: What is OHIP billing code G875A?

First botulinum toxin injection for oromandibular, limb or cervical dystonia, or spasticity. Extra injections are G876.

Botox for dystonia, first injection

Bill G875 for the first botulinum toxin injection for oromandibular, limb or cervical dystonia, or spasticity.

Watch for: One treatment per condition every 10 weeks; bill extra injections as G876, up to 11.

Provider	Specialist	Assistant	Anaesthetist	Non-anaesthetist
$40.00	$0.00	$0.00	$0.00	$0.00

Code: G875A
Description: Botulinum Toxin Injection For The Following Conditions: Oromandibular Dystonia, Limb Dystonia, Cervical Dystonia Or Spasticity - First Injection
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

First botulinum toxin injection for oromandibular, limb or cervical dystonia, or spasticity. Extra injections are G876.

What it covers

G875 is the first botulinum toxin injection for oromandibular dystonia, limb dystonia, cervical dystonia or spasticity (J51).

Each additional injection is G876, up to 11 (J51).

Billing rules

Bill G876 for each additional injection, to a maximum of 11 (J51).
Add G877 when EMG and/or ultrasound guidance is needed to find the site for one injection. G878 (two or more injections) is listed with G876 (J51).
Limited to one treatment per condition per patient every 10 weeks. If more frequent treatment is needed, submit the claim for manual review with supporting documentation (J52).
When used to find the injection site, EMG or ultrasound services other than G877 or G878 are not payable with botulinum toxin services (J52).
Botulinum toxin injections for indications other than those listed are not insured (J52).
A chemodenervation injection into the same muscle on the same day as botulinum toxin is insured but paid at nil (J105).

Often billed with

G876 each additional injection, maximum 11 (J51).
G877 or G878 EMG/ultrasound guidance (J51).
E543 disposable EMG hypodermic electrode outside hospital (J51).

Common rejections

AM1: OHIP describes this as 'Service Limit Exceeded': botulinum toxin treatments are limited to one per condition per patient every 10 weeks; more frequent treatment needs manual review with documentation (J52).

Related codes: G876, G877, G878, E543, G485, G871

Source: Schedule of Benefits (July 1, 2026), Diagnostic and Therapeutic Procedures, Injections or Infusions, Botulinum Toxin Services, page J51. Payment rules J52.

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