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Billing code

Z580A — Sigmoidoscopy using 60 cm flexible endoscope

Flexible sigmoidoscopy

Bill for sigmoidoscopy with a 60 cm flexible scope; an assessment can be billed in addition.

Watch for: Not payable the same day as any colonoscopy code (Z491 to Z499, Z555), and rigid sigmoidoscopy Z535 isn't billed with it.

Code

Z580A

Description

Sigmoidoscopy using 60 cm flexible endoscope

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

Flexible sigmoidoscopy with a 60 cm scope. Not payable with any colonoscopy code (Z491 to Z499, Z555) the same day.

What it covers

Z580 is sigmoidoscopy using a 60 cm flexible endoscope (S15). Sigmoidoscopy with a rigid scope is a different code, Z535 (S15, S25).

As a Z code it is an independent operative procedure, payable in addition to an assessment (GP4).

Billing rules

• Not payable with Z491, Z492, Z493, Z494, Z495, Z496, Z497, Z498, Z499 or Z555 for the same patient the same day (S15).
• Rigid sigmoidoscopy Z535 isn't billed with Z580 (S25).
• No surgical assistant fee is payable (Asst nil) (S15).
• Anaesthesia other than local infiltration, topical anaesthesia or procedural sedation is claimed as E032C (4 basic units plus time units), which replaces the listed basic and time units; GP97 extra units are payable with E032C (GP100). Time units and GP97 extra units aren't payable with Z580C, and E003C isn't payable for anaesthesia for Z580 (S15).
• FHO: Z580A is on the Schedule 4 office-procedures list that counts toward the office procedures special payment when done in the physician's office for enrolled patients (Agreement p.67 §8.7, p.97).
• Marked '#': the fee doesn't include premises, equipment, supplies or staff, which are funded by the hospital budget or ICHSC facility costs; patients can't be charged for them (GP13).

Often billed with

• E717 for biopsy and/or coagulation of angiodysplastic lesion(s) (S18).
• E749 when Z580 is done in a private office; not payable in a hospital or ICHSC (S18, S19).
• A035 consultation (when it is the visit where the decision to scope is made) or A034 partial assessment (when the major pre-operative visit was in the previous 12 months) for a general surgeon (SP4, A107).

Related codes: Z535, Z536, Z555, Z496, E717, E749, Z543

Source: Schedule of Benefits (July 1, 2026), Digestive System Surgical Procedures, Intestines (Except Rectum), Sigmoidoscopy, page S15; add-ons S18-S19; anaesthesia GP100.

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