What are the billing rules for C675A?

The signed written request must be kept in the chart (a common hospital record is fine) and name the consultant or specialty, the referrer with billing number, and the patient with health number. Otherwise it pays as a lesser assessment (GP16). Consultation limits: one per patient per physician per two consecutive 12-month periods for the same diagnosis; a second is allowed only for an in-patient or ED patient 12 to 24 months after the first. A clearly unrelated diagnosis allows one per 12 months. Excess claims pay as an assessment (GP17, GP18). If you admit the patient and haven't assessed them for the same illness in the past 90 days, the admission assessment is your consultation or specific assessment; only one consultation or assessment is paid per admission when the patient is transferred to another physician in the same hospital (GP40).

What is C675A often billed with?

E082 admission assessment by the MRP (+30%) when this service is your admission assessment as MRP; once per admission, not for transfers within the hospital (GP42). C101 ICU/CCU premium for each patient seen on a visit to the ICU or CCU, unless a critical care, ventilatory or comprehensive care team fee is claimed (GP103).

Why is C675A rejected?

ARF: OHIP's message is 'Missing Physician Referring Number': a consultation needs a referring physician or nurse practitioner, so add the referrer's billing number to the claim (GP16). AT2: OHIP's message is 'Must Include Video Modality': in-patient (C-prefix) virtual services are video only, so a phone claim (K301A) is refused (AJ2).

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Billing code

C675A — Limited Consultation

Q: What is OHIP billing code C675A?

Limited cardiology consultation for a hospital in-patient: a less demanding consultation that takes substantially less time than a full one.

Cardiology in-patient limited consultation

Bill for a cardiology consultation on a hospital in-patient that is less demanding and takes much less time than a full one.

Watch for: Include the referrer's billing number from the signed written request; without it, it pays as a lesser assessment.

Provider	Specialist	Assistant	Anaesthetist	Non-anaesthetist
$0.00	$105.25	$0.00	$0.00	$0.00

Code: C675A
Description: Limited Consultation
FHO+ basket: Not in the FHO+ base rate basket (Schedule 2 or 2B).
Effective date: Jun 1, 2025
Termination date: No end date

Explanation

Updated October 26, 2026

Limited cardiology consultation for a hospital in-patient: a less demanding consultation that takes substantially less time than a full one.

What it covers

C675 is a limited consultation by a cardiologist for a non-emergency hospital in-patient (A80).

A limited consultation is less demanding and normally takes substantially less of the physician's time than a full consultation; otherwise it has all the requirements of a full consultation, including the written request and written report (GP16, GP19).

Billing rules

The signed written request must be kept in the chart (a common hospital record is fine) and name the consultant or specialty, the referrer with billing number, and the patient with health number. Otherwise it pays as a lesser assessment (GP16).
Consultation limits: one per patient per physician per two consecutive 12-month periods for the same diagnosis; a second is allowed only for an in-patient or ED patient 12 to 24 months after the first. A clearly unrelated diagnosis allows one per 12 months. Excess claims pay as an assessment (GP17, GP18).
If you admit the patient and haven't assessed them for the same illness in the past 90 days, the admission assessment is your consultation or specific assessment; only one consultation or assessment is paid per admission when the patient is transferred to another physician in the same hospital (GP40).
Detention (K001) is payable only after 60 minutes for a consultation (GP30).
Virtual care: video only, not phone (Appendix J, AJ2). For an in-patient, you must not be the MRP, the hospital must lack a local physician with the expertise (documented by the referrer), and the referrer must have seen the patient in person within 30 days (A69).
For emergency calls and other special visits to in-patients, bill the A-prefix General Listings with special visit premiums instead (A80, GP65–GP78).

Often billed with

E082 admission assessment by the MRP (+30%) when this service is your admission assessment as MRP; once per admission, not for transfers within the hospital (GP42).
C101 ICU/CCU premium for each patient seen on a visit to the ICU or CCU, unless a critical care, ventilatory or comprehensive care team fee is claimed (GP103).

Common rejections

ARF: OHIP's message is 'Missing Physician Referring Number': a consultation needs a referring physician or nurse practitioner, so add the referrer's billing number to the claim (GP16).
AT2: OHIP's message is 'Must Include Video Modality': in-patient (C-prefix) virtual services are video only, so a phone claim (K301A) is refused (AJ2).

Related codes: A675, C605, C600, C606, C603, C604

Source: Schedule of Benefits (July 1, 2026), Consultations and Visits, Cardiology (60), page A80; rules GP16–GP19.

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