1What Is the W231 OHIP Code?
What is the W231 OHIP Billing Code?
The W231 code is used by ophthalmologists to bill for neuro-ophthalmology consultations in Ontario. This service addresses complex visual problems potentially related to neurological disorders, often arising in residents of long-term care facilities. Common scenarios involve assessing issues such as visual loss or diplopia, which frequently occur after events like a stroke.
Physicians providing this service must have fellowship training in neuro-ophthalmology. This consultation is crucial in settings where transferring patients may not be practical, allowing for a thorough evaluation and timely care without moving residents out of their long-term care facilities.
2Related Codes
3Eligibility Requirements
Eligibility Requirements for W231
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Fellowship Training: The consultation must be performed by an ophthalmologist with fellowship training in neuro-ophthalmology.
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Patient Condition: The patient should have a neuro-ophthalmological disorder.
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Documentation Requirement: At least four of the following must be documented:
- Detailed pupillary examination
- Detailed extraocular motility examination
- Ocular alignment testing
- Partial or complete neurological examination
- Detailed examination of the fundus
- Analysis of formal visual field test(s)
- Analysis of pertinent diagnostic imaging studies
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Consultation Frequency: Limited to one service per two consecutive 12-month periods for the same patient and diagnosis unless otherwise specified for different settings or diagnoses.
4What Your Clinical Note Must Show
Essential documentation components for billing W231 include:
- A written request for consultation from a referring physician, nurse practitioner, or dental surgeon.
- Identification of the consultant and referring professional by name and billing number.
- Documentation of the detailed examination and relevant diagnostic analyses (at least four of the listed criteria).
- A copy of the consultation request and the written report to the referring professional must be on record.
- Start and end times of the consultation must be documented.
5Weak vs. Strong Note Examples
The strong note includes comprehensive documentation of the examination and referral details necessary for billing W231, fulfilling all criteria.
Patient referred for visual assessment; brief exam recorded.
No documentation on diagnostic tests or referral source.
Patient XYZ, referred by Dr. Smith, presented with visual loss post-stroke.
Conducted detailed pupillary exam, extraocular motility exam, and fundus examination.
Completed visual field analysis and reviewed MRI showing optic pathway involvement.
Consultation findings and recommendations submitted to Dr. Smith.
- Referral request included
- Detailed examinations and analyses recorded
- Consultation time noted
