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X166

X166Examination Using Portable Machine “in Home” Add to First Examination Only

OHIP Laboratory Code — Miscellaneous Examinations · Schedule of Benefits

This code is an add-on to the first radiological examination performed with a portable machine in a patient's home setting. The definition of 'home' includes a nursing home. This code cannot be used for services provided in a hospital. It can only be claimed once per day for a given location, irrespective of the number of patients examined. The facility cost for X166 is detailed in the Schedule of Facility Costs for ICHSCs.

When to Use

  • Use X166 when performing the first diagnostic X-ray on a portable machine for a patient residing in a long-term care facility or private home.
  • Apply this code specifically as an add-on to the primary diagnostic imaging fee (e.g., X001 or X002) when the equipment must be transported to the patient's location.

Common Pitfalls

  • Claiming X166 for multiple patients at the same facility on the same day; it is restricted to a single claim per location per day regardless of patient volume.
  • Attempting to bill X166 for portable imaging services performed within a hospital setting, which is explicitly prohibited by the Schedule of Benefits.

Billing Tips

  • Ensure the primary diagnostic code is billed on the same claim as X166 to avoid rejection, as X166 is an add-on code that cannot stand alone.
Provider Fee$0.00
Surgical Assistant Fee$73.65

Effective: April 1, 2025

Category

Diagnostic Radiology

Subcategory

Miscellaneous Examinations

Service Type

Other

Code Classes

Diagnostic Radiology

X166 does not apply to the use of a portable machine in a hospital. Can only be claimed once per day regardless of the number of people x-rayed in the same “home” including “nursing home”. The facility cost for X166 is listed in the Schedule of Facility Costs for ICHSCs.

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