1What Is the A470 OHIP Code?
The A470 billing code is used for comprehensive respiratory disease consultations in Ontario. This service is rendered by specialist respirologists for cases that require an extensive work-up, typically lasting at least 75 minutes of direct patient contact. Such consultations are crucial for managing complex respiratory conditions like interstitial lung disease or difficult asthma, where detailed evaluation and a tailored management plan are necessary.
Despite its importance, A470 can sometimes be underused due to stringent documentation requirements, or overlooked in favor of simpler consultation codes.
2Related Codes
| Code | Name | Frequency | Description |
|---|---|---|---|
| A470 | Comprehensive respiratory disease consultation | One per two consecutive years; exceptions apply | Complex cases assessed for a minimum of 75 minutes by specialists. |
| A475 | Consultation | N/A | General consultation for respiratory issues. |
| A476 | Repeat consultation | N/A | Follow-up consultations with the same patient. |
| A575 | Limited consultation | N/A | Brief consultations for simpler cases. |
| C470 | Comprehensive respiratory disease consultation (Hospital in-patient) | N/A | In-patient comprehensive respiratory consultation. |
3Eligibility Requirements
A comprehensive respiratory disease consultation billed under A470 must meet specific criteria:
- Consultant: The consultation must be rendered by a specialist in respiratory disease.
- Time Requirement: A minimum of 75 minutes of direct contact with the patient is required, excluding any other separately billable interventions.
- Frequency Limits: One service per two consecutive 12-month periods for the same patient, diagnosis, and physician. Exceptions include a second consultation within 24 months if performed for hospital inpatients or emergency department patients more than 12 months after the first.
- Written Consultation Request: There must be a written request from a referring physician, nurse practitioner, or dental surgeon, kept in the medical record.
- Documentation: The start and stop times must be documented in the patient's permanent medical record.
4What Your Clinical Note Must Show
To ensure payment compliance for A470, the following items must be recorded:
- Start and stop times of the consultation.
- Copy of the written request from a referring provider.
- Record of clinical findings and management plans articulated in the consultation report.
5Weak vs. Strong Note Examples
The strong note succeeds with clear documentation of timing and specific clinical details, ensuring compliance with OHIP requirements absent in the weak note.
Consultation note lacks start and stop times, only describes general assessment with no mention of specific findings or recommendations.
Consultation began at 10:00 AM and ended at 11:20 AM. Examined patient with complex asthma; recommended adjustments to medication and arranged follow-up testing.
- Detailed clinical findings documented
- Specific management plan recommended
- All timing elements are recorded as per OHIP requirements.
