OHIP Billing Guide🩺 ServicePublished 2026
W305

W305 OHIP Billing Code: Comprehensive OBGyn Consultation

The W305 code covers obstetrics and gynaecology consultations for elderly patients in long-term care settings, ensuring quality care without relocation.

For Ontario Physicians & Billing StaffOHIP Schedule of Benefits Reference134.25 CAD~4 min read

1What Is the W305 OHIP Code?

What is W305?

The W305 billing code is designed for consultations in the specialty of Obstetrics and Gynaecology, specifically aimed at providing comprehensive evaluations for patients in long-term care settings such as nursing homes or homes for the aged. This service is crucial for assessing conditions like postmenopausal bleeding, pelvic organ prolapse, vulvar lesions, or recurrent urinary symptoms.

One common oversight when billing under W305 is the need to accurately identify the setting where the consultation takes place. For example, consultations occurring within a hospital setting are billed differently (as C205), while those conducted in an office are billed as A205, despite having the same fee. It is essential to ensure that the setting aligns with the appropriate billing code to avoid claim rejections.

2Related Codes

CodeNameFrequencyDescription
A935Special surgical consultationAs per relevant surgical needConsultations requiring special surgical assessment in Obstetrics and Gynaecology.
C935Special surgical consultationAs per relevant surgical needIn-hospital equivalent for special surgical consultation in Obstetrics and Gynaecology.
A205ConsultationBased on location and patient needsStandard consultation in an office setting for Obstetrics and Gynaecology.
A206Repeat consultationBased on patient revisit needsFollow-up consultation in Obstetrics and Gynaecology.

3Eligibility Requirements

Eligibility Requirements

  • Billing Frequency: The W305 code can be billed once per two consecutive 12-month periods per patient, per same physician and diagnosis. An exception allows for two services in the same period if the subsequent consultation occurs in a hospital inpatient or Emergency Department setting, more than 12 but less than 24 months after the first.
  • Diagnosis: If there is a clearly defined unrelated diagnosis, W305 can be billed once every 12 months.
  • Excess Services: Any additional services beyond the allowable frequency are compensated at the general or specific assessment rate.

Be sure to reference the current OHIP Schedule of Benefits for any changes or specific instructions.

4What Your Clinical Note Must Show

1Documentation Requirements for W305

Ensure the following details are included in the medical record when billing for W305:

  • Patient's full name and healthcare number.
  • Date and setting of consultation (ensure it aligns with long-term care setting details).
  • Detailed clinical findings and management plan.
  • Distinct diagnosis (if applicable) for unrelated consultations within the 12-month period.

5Weak vs. Strong Note Examples

The strong note provides specific details on the patient's condition, comprehensive findings, and a follow-up plan, which are essential for justifying the consultation. The weak note lacks this comprehensive detail.

Weak Note

Consulted on Mrs. Smith. We discussed her symptoms.

Strong Note

Consulted on Mrs. Smith, a 78-year-old female, residing in a long-term care facility. Evaluated for postmenopausal bleeding. Comprehensive assessment including history, pelvic examination, and management plan was documented. Follow-up in 6 months recommended.

  • Detailed history and symptoms documentation
  • Specific examination findings
  • Clear management plan
  • Future care recommendations

6Common Reasons This Code Is Missed

1
Incorrect Setting Identification
Misidentifying the setting (e.g., long-term care vs. hospital) leading to incorrect code application.
2
Frequency Misunderstanding
Attempting to bill more than the allowable frequency without understanding the exceptions for unrelated diagnoses.
3
Incomplete Documentation
Failing to include full documentation of findings and the management plan in patient records.
Document W305 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 W305?
The fee for the W305 consultation code is CAD 134.25.
How often can W305 be billed for the same patient?
W305 can be billed once per two consecutive 12-month periods for the same patient and diagnosis unless exceptions apply.
What conditions might necessitate a W305 consultation?
W305 is often used for assessing conditions like postmenopausal bleeding, pelvic organ prolapse, or recurrent urinary symptoms in long-term care patients.
Why choose W305 over a standard office consultation?
W305 should be chosen when the consultation occurs in a long-term care setting, not an office, to provide necessary on-site care.
Can a hospital-based gynaecologist bill W305 for emergency consultations?
No, emergency consultations in a hospital should not use W305; alternate codes like C935 might be appropriate.
A patient had a W305 consultation; when can they have another?
If related to the same diagnosis, a new W305 can be billed after two consecutive 12-month periods unless they're seen in an inpatient or ER setting after 12 but less than 24 months.
A specialist saw a patient in a nursing home last year. Can they bill W305 this year for a new, unrelated issue?
Yes, if a new and clearly unrelated diagnosis is established, W305 can be billed within 12 months.
Is a referral required for billing W305 in a long-term care setting?
Typically, a referral is needed for consultations, but verify the specific requirements for each case and setting.
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.
@2026 Empathia AI, Inc. All rights reserved.