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Billing code

E836A — Upper GI endoscopic mucosal resection (EMR) of very large polyp or lesion

Upper GI mucosal resection

Add to Z399, Z515 or Z527 for total endoscopic mucosal resection of an upper GI polyp or lesion over 3 cm.

Watch for: Only when submucosal injection and piecemeal resection are needed; maximum 2 per patient per day.

Code

E836A

Description

Upper GI endoscopic mucosal resection (EMR) of very large polyp or lesion

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

Add-on for total endoscopic mucosal resection of a sessile polyp or lesion over 3 cm in the upper GI tract.

What it covers

E836 is endoscopic mucosal resection (EMR) of a very large sessile polyp (over 3 cm) or lesion (over 3 cm) of the upper gastrointestinal tract, total excision, added to Z399, Z515 or Z527 (S7).

It includes any haemostatic techniques done at the time of the polypectomy (S8).

Billing rules

• Add-on to Z399, Z515 or Z527 (S7).
• Only payable when the resection requires submucosal injection and piecemeal resection (S8).
• Includes any haemostatic techniques at the time of polypectomy (S8).
• Maximum 2 per patient per day (S8).
• Marked #: premises, equipment, supplies and staff are funded by the hospital budget or ICHSC facility costs, and patients can't be charged for them (GP13).
• Under-16 age premiums (10–30%) apply to surgical procedures in Parts K to Z (GP64).

Often billed with

• Z399, Z515 or Z527 (S7).

Common rejections

• ADF: OHIP describes this as 'Corresponding Procedure Invalid, Omitted or Paid at zero': the base procedure (Z399, Z515 or Z527) is missing from the claim, invalid, or paid at zero. Add-ons are payable only with their base code.
• A3H: Usually means more than 2 E836 services were billed for the patient that day (S8).

Related codes: Z399, Z515, Z527, E685, E703, E674

Source: Schedule of Benefits (July 1, 2026), Digestive System Surgical Procedures, Oesophagus, page S7; rules page S8.

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