OHIP Billing Guide🩺 ServicePublished 2026
W150

W150 OHIP Billing Code: Comprehensive Endocrinology Consultation for Long-Term Care

W150 is a comprehensive endocrinology consultation code for specialists providing care to long-term care residents. It includes a thorough assessment requiring a minimum of 75 minutes with the patient.

For Ontario Physicians & Billing StaffOHIP Schedule of Benefits Reference342.25 CAD~3 min read

1What Is the W150 OHIP Code?

The W150 billing code under OHIP covers a comprehensive endocrinology consultation provided by a specialist to long-term care residents in settings like nursing homes and chronic care hospitals. This service is particularly pertinent for managing complex cases such as brittle diabetes or thyroid disorders in a non-emergency environment.

In typical scenarios, these consultations aim to address significant health concerns for patients who are long-term residents, hence requiring sustained and in-depth medical attention. Despite its clinical importance, W150 is sometimes overlooked if documentation lacks clear detailing of consultation time or fails to adhere to OHIP's stringent referral requirements.

2Related Codes

CodeNameFrequencyDescription
A150Comprehensive endocrinology consultationOne service per two consecutive 12-month periods, with specific exceptionsConsultations in general outpatient settings with the same criteria as W150.
A155ConsultationVaries based on clinical need and documentationA less detailed consultation at a reduced fee.
A156Repeat consultationWhen required, as authorized per guidelinesFollow-up consultations to review patient progress or new issues within the past consultation scope.
A255Limited consultationWhen required, specific scenarios applyBrief consultations which address specific, limited patient needs.

3Eligibility Requirements

To be eligible for billing under W150, the consultation must:

  • Be rendered by a qualified endocrinologist.
  • Be requested via a written referral from a physician, nurse practitioner, or dental surgeon.
  • Include a minimum of 75 minutes of direct patient contact.
  • Occur in a non-emergency long-term care setting.
  • Be comprehensively documented with medical record entries noting start and stop times, and a written statement of the referring practitioner's details.

Billing frequency is limited to one service per two consecutive 12-month periods for the same patient and diagnosis, with specific exceptions detailed in the billing guidelines.

4What Your Clinical Note Must Show

1Medical Record Documentation Requirements

To ensure proper billing and prevent fee adjustments, maintain the following documentation:

  • Record start and stop times in the patient's permanent medical record.
  • Store a signed copy of the consultation request from the referring practitioner.
  • Include the consultation's findings, opinions, and recommendations in a report.

5Weak vs. Strong Note Examples

The strong note succeeds because it provides precise time documentation, detailed clinical insights, and includes all necessary referral information. The weak note fails to specify times accurately and lacks comprehensive clinical documentation.

Weak Note

Consult duration: about 75 minutes. Referred by Dr. Smith. Patient has ongoing diabetes issues.

Strong Note

Consultation duration: 10:00 - 11:15. Referred by Dr. Jane Smith (Billing #123456).

Full endocrinology evaluation due to complex diabetes management, including recent hypoglycemic episodes.

Recommendations provided: adjust insulin regimen and schedule follow-up in 3 months.

  • Precise start and end times recorded.
  • Detailed patient assessment and recommendations.
  • Clear referral source with all required identifiers.

6Common Reasons This Code Is Missed

1
Insufficient Time Documentation
Failure to accurately record start and stop times can result in reduced payment.
2
Lack of Written Referral
Without a documented referral request, OHIP will not consider this a valid consultation.
3
Misinterpretation of Frequency Limits
Billing more frequently than allowed without meeting specific criteria can lead to claim rejections.
Document W150 correctly — every time
Empathia's templates automatically structure your notes to capture every required element for audit-proof billing.

8Frequently Asked Questions

What is the fee for W150 under OHIP?
The fee for billing under code W150 is CAD 342.25.
How often can W150 be billed for the same patient and diagnosis?
W150 can be billed once per two consecutive 12-month periods per patient per diagnosis, with specific exceptions.
What types of endocrinology cases typically qualify for W150?
Cases involving complex conditions like brittle diabetes or challenging thyroid disorders in long-term care settings are ideal for W150.
What makes a case eligible for a comprehensive endocrinology consultation?
The patient's condition should involve complex metabolic issues requiring expert review, such as severe hormone imbalances.
In which setting should W150 be billed?
W150 is billed in non-emergency, long-term care settings such as nursing homes or chronic care hospitals.
Why might a nursing home patient with diabetes require W150?
The patient's diabetes may not be well-controlled, necessitating comprehensive evaluation and ongoing treatment adjustment.
Disclaimer: This article is intended as a general educational resource for physicians and billing staff. It does not constitute billing advice or a definitive interpretation of the OHIP Schedule of Benefits. Always verify current billing codes, eligibility criteria, and documentation requirements directly against the official Schedule of Benefits or consult with a qualified medical billing specialist.
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