OHIP Billing Guide🩺 ServicePublished 2026
C444

C444 OHIP Billing Code: Efficient Oncology Re-assessments

C444 is a Medical specific re-assessment code used for in-patient oncology reviews during hospital stays to evaluate treatment response.

For Ontario Physicians & Billing StaffOHIP Schedule of Benefits Reference72.00 CAD~3 min read

1What Is the C444 OHIP Code?

What is C444?

C444 is the OHIP billing code used for medical specific re-assessments in the field of Oncology for hospital in-patient settings. This code is commonly used when admitting physicians perform re-assessments to evaluate a patient's response to treatment, such as handling neutropenic fever or deciding if the next chemotherapy cycle can proceed before discharge.

Medical oncologists frequently utilize this re-assessment code to ensure ongoing treatment plans are appropriate based on the patient's real-time response and medical status while admitted. These re-assessments are crucial in determining the next steps in a patient's care plan and should be accurately billed to reflect the service provided.

The code is often missed due to misunderstanding of eligibility criteria or oversight in recording the time spent on the assessment. Proper documentation and awareness of billing rules help maximize compliance and reimbursement.

2Related Codes

CodeNameFrequencyDescription
A443Medical specific assessmentSubject to specialty listing and General Preamble assessment rulesApplicable for initial comprehensive assessments in medical oncology at $95.95.
C443Medical specific assessmentSubject to specialty listing and General Preamble assessment rulesDetailed initial assessments for in-patients in oncology, valued at $95.95.
W444General re-assessment of patient in nursing homeSubject to specialty listing and General Preamble assessment rulesRe-assessment for nursing home patients, priced at $20.60 for oncology.
A441Complex medical specific re-assessmentSubject to specialty listing and General Preamble assessment rulesComplex reassessments in oncology, valued higher at $83.40.

3Eligibility Requirements

Eligibility Requirements

  • Service Setting: C444 is exclusively applicable to hospital in-patient settings.
  • Virtual Care: Eligible for virtual rendering via video, billed as C444A. Telephone services do not qualify as Comprehensive Virtual Care Services.
  • Assessment Requirements: Must comply with a comprehensive assessment, which includes a complete medical history, relevant body system examination, and typically a focus on the presenting medical issue, as detailed in General Preamble GP21.
  • Time Recording: The start and end times of the service must be documented in the patient's medical record as specified in General Preamble GP7.

Please note that these guidelines should be cross-verified with the current Schedule of Benefits or fee schedule applicable in Ontario.

4What Your Clinical Note Must Show

1Time Documentation

Physicians must record the exact start and end times for each service provided under C444.

  • Log start time before beginning the assessment.
  • Record end time immediately after concluding the assessment.
2Comprehensive Assessment Details

The assessment must include comprehensive patient history and examination as detailed in GP21.

  • History of presenting complaint
  • Family and past medical history
  • Social history and functional inquiries

5Weak vs. Strong Note Examples

The strong note provides a detailed examination and thorough patient history, aligning fully with billing requirements, whereas the weak note lacks detail and specific actions.

Weak Note

Re-assessment completed. Patient stable. Reviewed treatment plan.

Strong Note

Reviewed patient with neutropenic fever. Obtained full history: presenting complaints, past medical conditions, and family background. Conducted thorough examination excluding genital due to refusal. Treatment response noted; chemotherapy cycle rescheduling before discharge recommended.

  • Full history
  • Detailed examination
  • Treatment decision documented

6Common Reasons This Code Is Missed

1
Incomplete Documentation
Failure to record start and end times, which is critical for claim approval.
2
Misunderstanding Eligibility
Confusion regarding virtual care delivery criteria, leading to incorrect claim submissions.
3
Overlooking Comprehensive Examination
Neglecting to conduct or document a full examination in alignment with GP21.
4
Failure to Differentiate Code Use
Applying C444 in error instead of another more suitable related code due to similar descriptions.
5
Missing Specialty-Specific Context
Overlooking the oncology-specific requirements when a general approach is applied.
Document C444 correctly — every time
Empathia's templates automatically structure your notes to capture every required element for audit-proof billing.

8Frequently Asked Questions

Can C444 be billed for virtual care?
Yes, if conducted via video, billable as C444A. Phone consultations are not eligible.
How is C444 different from A441?
C444 is for standard re-assessments, while A441 handles more complex cases at a higher fee.
What scenarios justify billing under C444 in oncology?
Typical use includes reviewing oncology in-patients for treatment response or assessing readiness for next treatment cycles.
What specific evaluations might occur during a C444 service?
Evaluations of treatment response to issues like neutropenic fever or determining eligibility for next treatment phase.
What criteria must be met for C444 re-assessment for oncology patients?
Conducted during hospital admission, with comprehensive assessment and documented timing.
Can C444 be billed with other oncology codes on the same day?
Yes, but ensure each service meets distinct medical necessity and documentation criteria.
How can missed eligibility affect my billing?
Incorrect eligibility understanding can lead to denied claims or audits, impacting practice revenue.
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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