What are the billing rules for C180A?

Record start and stop times in the chart, or it is not payable (A140). Time does not include other separately payable services or non-patient-facing work such as chart, imaging or documentation review (A140). Same patient, same diagnosis: 1 consultation per two consecutive 12-month periods. A second is allowed only for a hospital in-patient or ED patient, 12 to 24 months after the first (GP17).

What is C180A often billed with?

E082 (+30%) when the consultation is your admission assessment as the MRP, once per admission (GP42).

Why is C180A rejected?

ARF: OHIP describes this as 'Missing Physician Referring Number': a consultation needs the referring physician's or nurse practitioner's billing number from the written request (GP16). AT2: OHIP describes this as 'Must Include Video Modality': this code is on the video-only virtual list, so it can't be billed by phone (K301A) (Appendix J AJ2).

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Billing code

C180A — Special Neurology Consultation - Subject To The Same Conditions As A180

Q: What is OHIP billing code C180A?

Special neurology consultation for a hospital in-patient: a full consultation with at least 75 minutes of direct patient contact.

Long neurology in-patient consultation

Bill C180 for a neurology consultation on a hospital in-patient with at least 75 minutes of direct patient contact.

Watch for: Record start and stop times in the chart, or it is not payable.

Provider	Specialist	Assistant	Anaesthetist	Non-anaesthetist
$0.00	$342.25	$0.00	$0.00	$0.00

Code: C180A
Description: Special Neurology Consultation - Subject To The Same Conditions As A180
FHO+ basket: Not in the FHO+ base rate basket (Schedule 2 or 2B).
Effective date: Apr 1, 2026
Termination date: No end date

Explanation

Updated October 26, 2026

Special neurology consultation for a hospital in-patient: a full consultation with at least 75 minutes of direct patient contact.

What it covers

A special neurology consultation includes all the elements of a consultation (A185) and at least 75 minutes in direct contact with the patient, not counting other separately billable services (A140).

C180 is the in-patient listing and is subject to the same conditions as A180 (A144).

Billing rules

Record start and stop times in the chart, or it is not payable (A140).
Time does not include other separately payable services or non-patient-facing work such as chart, imaging or documentation review (A140).
Same patient, same diagnosis: 1 consultation per two consecutive 12-month periods. A second is allowed only for a hospital in-patient or ED patient, 12 to 24 months after the first (GP17).
A clearly unrelated diagnosis allows 1 consultation every 12 months (GP17).
Time-based consultations count toward the consultation limits (GP18).
Patients under 16 get an age premium of 10% to 30% on specialist consultations (GP64).
Video only (not phone), with K300A. For in-patients, virtual care is payable only if you are not the MRP, no physician with your expertise is on staff and present in the community (documented by the referrer), and the referrer assessed the patient in person within the 30 days before (Appendix J AJ2, A69).

Often billed with

E082 (+30%) when the consultation is your admission assessment as the MRP, once per admission (GP42).

Common rejections

ARF: OHIP describes this as 'Missing Physician Referring Number': a consultation needs the referring physician's or nurse practitioner's billing number from the written request (GP16).
AT2: OHIP describes this as 'Must Include Video Modality': this code is on the video-only virtual list, so it can't be billed by phone (K301A) (Appendix J AJ2).

Related codes: C185, C682, A180, A682, C385

Source: Schedule of Benefits (July 1, 2026), Consultations and Visits, Neurology (18), page A144. Conditions on A140.

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