OHIP Billing Guide🩺 ServicePublished 2026
C725

C725 OHIP Billing Code: Occupational Medicine Consultation Made Simple

C725 is an OHIP billing code for consultations in occupational medicine, specifically for in-patient hospital settings. This code helps physicians navigate billing for complex occupational cases.

For Ontario Physicians & Billing StaffOHIP Schedule of Benefits Reference192.85 CAD~4 min read

1What Is the C725 OHIP Code?

The OHIP billing code C725 is designated for consultations in the field of occupational medicine, specifically occurring in non-emergency hospital in-patient settings. This code applies when a physician provides a consultation service based on a written request from a referring healthcare provider. The context often involves patients who are hospitalized due to potential occupational exposures, such as acute chemical or inhalational exposures.

These consultations are critical when the occupational origin of a patient's illness needs expert evaluation and management, requiring the specialized knowledge that an occupational medicine physician can provide. In many cases, consultations can ensure accurate diagnosis and effective treatment plans for patients with work-related conditions.

It's a frequently missed code due to stringent documentation and frequency requirements. Without a proper referral or complete records note, it cannot be billed at the consultation rate.

2Related Codes

CodeNameFrequencyDescription
A720Comprehensive occupational medicine consultationVaries by case complexityThis covers more extensive or complex assessments in occupational medicine.
A725ConsultationBased on in-patient settings or primary careEquivalent service rendered outside the hospital.
A726Repeat consultationBased on returning patient scenariosFollow-up consultations within specified periods.
A925Limited consultationSingle evaluation sessionCovers less comprehensive assessments.

3Eligibility Requirements

Eligibility for billing under C725 requires the service to be a consultation requested by a referring physician, nurse practitioner, or dental surgeon due to complex, serious, or unclear conditions related to the patient's occupational exposure. The following must be maintained:

  • A written request in advance of the service is mandatory, identifying both the consultant and the referring provider, along with the patient's details.
  • C725 may only be billed once per patient per two consecutive 12-month periods unless certain conditions are met, like another consultation as a hospital inpatient or in the emergency department more than 12 but less than 24 months later.
  • The consultation includes all necessary assessments and a comprehensive report returned to the referring provider, forming part of collective patient records where applicable.
  • Virtual consultations are eligible when delivered by video, billed as C725A, but are ineligible via telephone.

4What Your Clinical Note Must Show

1Documentation Essentials for C725

Ensure all required elements are documented for a valid claim.

  • A written request identifying the consultant by name/specialty.
  • Referring provider's name and billing number included in the records.
  • Patient's name and health number clearly documented.
  • Set out information and specified services in the request.
  • Maintain copies of all documents in the consulting physician's record.

5Weak vs. Strong Note Examples

The strong note succeeds by capturing complete referral information, detailed history, and specifying the consultant's advice, which aligns with billing requirements. The weak note fails due to vague documentation and absence of essential referral details.

Weak Note

Consulted on patient with respiratory issues. Patient's details/record not fully documented. Review request lacked specific diagnostic aid request.

Strong Note

Consultation was completed for a 55-year-old male patient admitted for acute respiratory distress, potentially caused by inhalation of industrial solvents.

Referred by Dr. Smith, Respirology, with documentation specifying needs for occupational exposure assessment.

Full report provided, with recommendations for the patient's management included.

  • Referral details accurately captured.
  • Patient history thorough and complete.
  • Specific requesting advice detailed in notes.

6Common Reasons This Code Is Missed

1
Lack of Proper Referral Documentation
A valid consultation request was either missing or inadequately documented, which invalidates the billing claim.
2
Exceeding Frequency Limits
Attempts to bill more than once per two consecutive 12-month periods for the same diagnosis without meeting criteria for exceptions.
3
Inadequate Patient Recordkeeping
Time spent on consultation was not recorded, leading to potential claim rejection.
4
Virtual Billing Documentation Errors
Failure to document and bill the video-only requirement correctly when using C725A.
Document C725 correctly — every time
Empathia's templates automatically structure your notes to capture every required element for audit-proof billing.

8Frequently Asked Questions

Can C725 be billed more than once in two years for the same patient?
Yes, but only if the second consultation is for a hospital in-patient or emergency setting and occurs between 12 and 24 months after the first.
What is the fee for billing C725?
The flat fee for billing C725 is CAD 192.85.
What occupational health scenarios require a C725 consultation?
Cases involving acute exposures such as chemical or inhalational incidents often warrant an occupational medicine consultation.
Is a C725 consultation for a repeat work exposure eligible?
If it’s a different exposure or unrelated diagnosis, the service may qualify once per 12 months.
How should referrals for C725 be sourced?
Referrals must come from a physician, nurse practitioner, or dental surgeon and include a detailed request.
When can a consultation be provided virtually for C725?
Only consultations delivered via video are eligible for virtual billing under C725A.
How do in-patient consultations differ in billing?
Billing for in-patient consultations with C725 follows specific eligibility, including setting limitations and clear documentation.
What details need recording for C725 eligibility?
Document the time of the consultation, the referral source, and provide a detailed report to meet C725 billing criteria.
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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