What are the billing rules for Z584A?

Add E797 for uncomplicated upper or lower GI bleeding managed by any technique, or E798 for complicated upper GI bleeding in a haemodynamically unstable patient actively bleeding during endoscopy (S15). Laryngoscopy (Z292) with push enteroscopy is not payable unless done for suspected laryngeal disease; those claims go to manual review with a written explanation (S15). Z codes are independent operative procedures: if your major pre-operative visit was in the prior 12 months, only a partial assessment is payable before the procedure that day; if the major pre-operative visit is that day, no other assessment is payable before it (SP4).

What is Z584A often billed with?

E797 or E798 for bleeding management (S15).

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Billing code

Z584A — Small Bowel Push Enteroscopy

Q: What is OHIP billing code Z584A?

Small bowel push enteroscopy. Add-ons apply for managing GI bleeding found during the procedure.

Push enteroscopy

Bill for small bowel push enteroscopy; add E797 or E798 when you manage GI bleeding found during it.

Watch for: Laryngoscopy Z292 with it isn't payable unless done for suspected laryngeal disease, with a written explanation.

Provider	Specialist	Assistant	Anaesthetist	Non-anaesthetist
$185.15	$0.00	$0.00	$0.00	$0.00

Code: Z584A
Description: Small Bowel Push Enteroscopy
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

Small bowel push enteroscopy. Add-ons apply for managing GI bleeding found during the procedure.

What it covers

Z584 is small bowel push enteroscopy (S15). Double balloon enteroscopy is the separate all-inclusive code Z588 (S15).

Billing rules

Add E797 for uncomplicated upper or lower GI bleeding managed by any technique, or E798 for complicated upper GI bleeding in a haemodynamically unstable patient actively bleeding during endoscopy (S15).
Laryngoscopy (Z292) with push enteroscopy is not payable unless done for suspected laryngeal disease; those claims go to manual review with a written explanation (S15).
Z codes are independent operative procedures: if your major pre-operative visit was in the prior 12 months, only a partial assessment is payable before the procedure that day; if the major pre-operative visit is that day, no other assessment is payable before it (SP4).
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

E797 or E798 for bleeding management (S15).

Related codes: Z588, E797, E798, Z560, Z749, G332

Source: Schedule of Benefits (July 1, 2026), Digestive System Surgical Procedures, Intestines (Except Rectum), page S15.

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