These are the most commonly used Neurosurgery OHIP billing codes. To find other billing codes search the OHIP fee schedule here .
| Code | Description | Amount | Ans Units |
|---|---|---|---|
| N111 | Pituitary lesion(s) - Transsphenoidal microscopic resection of lesion(s) originating in the sella turcica requiring simple closure, repair and/or reconstruction of surgical defect(s) | $1,879.00 | 20 |
| N114 | Pituitary lesion(s) - Transsphenoidal endonasal endoscopic resection of lesion(s) originating in the sella turcica requiring simple closure, repair and/or reconstruction of surgical defect(s) | $1,742.45 | 20 |
| E887 - Pituitary lesion(s) resection of pituitary lesion(s) extending beyond the sella turcica to the optic nerve(s), optic chiasm or hypothalamus, to N111 or N114 . . . add | $500.00 | – | |
| N116 | Non-pituitary lesion(s) - Endonasal endoscopic resection of nonpituitary lesion(s) not originating from pituitary tissue requiring simple closure, repair and/or reconstruction of surgical defect(s) | $2,243.45 | 20 |
| E888 - Nonpituitary lesion(s) Resection of nonpituitary lesion(s) involving the sellar region that extends to the optic nerve(s), optic chiasm or hypothalamus, to N116 . . . Add | $500.00 | – | |
| E889 - Complex endonasal endoscopic resection of pituitary and nonpituitary lesion(s) complex endonasal endoscopic resection from cranial nerves, to N114 or N116 . . . Add | $800.00 | – | |
| E890 - Complex endonasal endoscopic resection of pituitary and nonpituitary lesion(s) complex endonasal endoscopic resection from cavernous sinuses, to N114 or N116 . . . Add | $800.00 | – | |
| E891 - Complex endonasal endoscopic resection of pituitary and nonpituitary lesion(s) complex endonasal endoscopic resection from frontal or temporal lobe or brainstem, to N114 or N116 . . . Add | $800.00 | – | |
| E892 - harvesting of pedicled vascular flap(s) greater than 3cm in size for use in complex endoscopic closure, repair and/or reconstruction of surgical defect(s) to N111, N112, N114 or N116 . . . Add | $500.00 | – | |
| E893 - complex closure, repair and/or reconstruction of surgical defect(s) includes duroplasty when rendered to N111, N112, N114 or N116 . . . Add | $555.00 | – |
| Code | Description | Amount |
|---|---|---|
| N112 | Surgeon not rendering resection of lesion(s) - Endonasal endoscopic or microscopic approach for surgical access to sella turcica | $1,360.00 |
| E905 - Surgeon rendering resection of lesion(s) endonasal endoscopic or microscopic approach for surgical access to sella turcica . . . add | $750.00 | |
| E886 - Surgeon rendering resection of lesion(s) extended endonasal endoscopic approach . . . add | $800.00 |
| Code | Description | Amount | Ans Units | Assist Units |
|---|---|---|---|---|
| N211 | Craniotomy - plus removal of orbital tumour | $1,116.60 | 15 | 15 |
| N212 | Craniotomy - plus orbital decompression (roof of orbit with or without lateral wall) | $1,045.45 | 15 | 15 |
| N213 | Craniotomy - for decompression of optic nerve(s) | $1,116.60 | 15 | 15 |
| E901 - Craniotomy plus excision Astrocytoma, oligodendroglioma, glioblastoma or metastatic tumour Craniotomy plus lobectomy with operating microscope . . . Add | $234.65 | – | – |
| Code | Description | Amount | Ans Units | Assist Units |
|---|---|---|---|---|
| N161 | Repair of skull defect - Acrylic or metal cranioplasty | $600.85 | 11 | 11 |
| N201 | Repair of skull defect - Rib graft cranioplasty (defect less than 7.5 cm) | $855.80 | 15 | 15 |
| N202 | Repair of skull defect - Replacement of bone flap | $540.95 | 11 | 11 |
| N203 | Repair of skull defect - Skull tumour, excision | $408.30 | 11 | 11 |
| N206 | Craniosynostosis, linear craniectomy - one suture | $430.75 | 11 | 11 |
| N207 | Craniosynostosis, linear craniectomy - multiple sutures | $563.50 | 15 | 15 |
| N162 | Morcellation procedure - one suture | $430.75 | 11 | 11 |
| N163 | Morcellation procedure - multiple sutures | $614.70 | 15 | 15 |
| N164 | Lateral canthal advancement - Unilateral - one surgeon | $696.35 | 15 | 15 |
| N165 | Lateral canthal advancement - Unilateral - two surgeons, major portion | $430.75 | 15 | 15 |
| N166 | Lateral canthal advancement - Unilateral - two surgeons, lesser portion | $345.35 | – | – |
| N167 | Lateral canthal advancement - Bilateral - one surgeon | $952.55 | 15 | 15 |
| N168 | Lateral canthal advancement - Bilateral - two surgeons, major portion | $614.70 | 15 | 15 |
| N169 | Lateral canthal advancement - Bilateral -two surgeons, lesser portion | $461.10 | – | – |
| N208 | Craniotomy - for craniofacial repair | $918.15 | 15 | 15 |
| E922 - . . . With repair of frontonasal encephalocele . . . Add | $215.35 | – | – |
| Code | Description | Amount | Ans Units | Assist Units |
|---|---|---|---|---|
| N230 | CSF shunting procedures - all types | $737.00 | 11 | 11 |
| N245 | Revision of CSF shunt - operative - all types | $420.70 | 7 | 7 |
| Z801 | Revision of CSF shunt - non-operative | $51.50 | – | – |
| N174 | Conversion of shunt (e.g. ventriculoperitoneal to ventriculoatrial) - includes removal of existing shunt | $420.30 | 7 | 7 |
| N246 | Conversion of shunt (e.g. ventriculoperitoneal to ventriculoatrial) - Removal of shunt any type | $289.70 | 7 | 7 |
| Z809 | Conversion of shunt (e.g. ventriculoperitoneal to ventriculoatrial) - Insertion of CSF reservoir (Ommaya) including burr holes | $370.50 | 11 | 11 |
| N249 | Conversion of shunt (e.g. ventriculoperitoneal to ventriculoatrial) - Third ventriculostomy | $777.80 | 11 | 11 |
| Z821 | Conversion of shunt (e.g. ventriculoperitoneal to ventriculoatrial) - Injection of diagnostic or therapeutic agent into shunt apparatus | $53.10 | – | – |
| Code | Description | Amount | Ans Units | Assist Units |
|---|---|---|---|---|
| N258 | Percutaneous coagulation or glyceral injection of gasserian (trigeminal) ganglion or root - unilateral | $504.95 | 11 | – |
| N259 | V - Decompression or rhizotomy (partial or complete) trigeminal nerve | $481.90 | 1 | 11 |
| N265 | VII - Differential section facial nerve for hemi-facial spasm (extracranial approach) | $348.30 | 6 | 6 |
| N266 | Anastomosis hypoglossal or accessory to facial nerve | $727.80 | 6 | 6 |
| N267 | Occipital and/or suboccipital craniectomy for compression, decompression or section of cranial nerves | $1,232.35 | 11 | 11 |
| E901 - Craniotomy plus excision Astrocytoma, oligodendroglioma, glioblastoma or metastatic tumour Craniotomy plus lobectomy with operating microscope . . . Add | $234.65 | – | – | |
| N269 | XI - Division of nerves to sternomastoid in neck | $292.25 | 7 | 6 |
| Z826 | Inferior dental neurectomy | $184.00 | 6 | 6 |
| Z827 | Infraorbital or supraorbital neurectomy | $158.45 | 7 | 6 |
| Code | Description | Amount | Ans Units | Assist Units |
|---|---|---|---|---|
| N148 | Removal of intracerebral haematoma and/or debridement of traumatized brain (includes management of any skull fracture) | $1,040.65 | 15 | 15 |
| N149 | Removal of foreign body from brain | $968.50 | 15 | 15 |
| N150 | C.S.F. leak - intracranial repair (to include trans-sphenoidal approach) | $1,065.45 | 15 | 15 |
| N200 | Decompressive craniectomy (frontal, subtemporal) | $638.05 | 11 | 11 |
| Z803 | Subdural tap(s) - unilateral | $53.10 | – | – |
| Code | Description | Amount | Ans Units | Assist Units |
|---|---|---|---|---|
| UVC | Repair of lacerations - Removal of sutures only | $0.00 | – | – |
| E208 - Peritomy (Gunderson conjunctival flap) | $225.00 | 6 | – | |
| N139 | Reduction of skull fracture - simple, depressed | $634.90 | 7 | 7 |
| N140 | Reduction of skull fracture - compound | $773.15 | 1 | 11 |
| E912 - Reduction of skull fracture with repair of dural laceration . . . Add | $233.30 | – | – | |
| N143 | Extracerebral haematoma and/or hygroma - Drainage by burr hole(s) unilateral | $559.60 | 7 | 7 |
| N144 | Extracerebral haematoma and/or hygroma - Drainage and/or removal by craniotomy | $863.25 | 11 | 11 |
| Code | Description | Amount | Ans Units | Assist Units |
|---|---|---|---|---|
| N117 | Craniotomy | $1,416.50 | 15 | 15 |
| N115 | Burr hole - aspiration | $578.85 | 7 | 7 |
| Z818 | Burr hole - subsequent aspiration through existing burr hole within 30 days | $215.35 | – | – |
| Z813 | Burr hole - plus needling of brain for biopsy | $453.60 | 7 | 7 |
| N127 | Burr hole - Re-opening of craniotomy for postoperative haematoma or for removal of bone flap | $518.85 | 11 | 11 |
| N113 | Burr hole - Craniotomy for brain biopsy (other than for tumour) | $774.90 | 11 | 11 |
| N130 | Burr hole - Craniotomy plus midline commissurotomy | $1,014.85 | 15 | 15 |
| N109 | Burr hole - Hemispherectomy | $1,878.35 | 15 | 15 |
| N110 | Burr hole - Lobectomy and/or excision of cortical scar for epilepsy | $2,184.20 | 15 | 15 |
| N128 | Burr hole - Repair of encephalocoele | $798.80 | 15 | 15 |
| N129 | Burr hole - Posterior fossa decompression for Arnold Chiari malformation | $1,110.00 | 15 | 15 |
| E901 - Craniotomy plus excision Astrocytoma, oligodendroglioma, glioblastoma or metastatic tumour Craniotomy plus lobectomy with operating microscope . . . Add | $234.65 | – | – | |
| N126 | Burr hole - Intraoral approach to lesions of the skull base and upper cervical spine | $1,442.95 | 15 | 15 |
| N123 | Burr hole - Stereotaxis intracranial (to include ventriculography) | $538.40 | 11 | 11 |
| E931 - with implantation (and removal) of radioactive sources into brain tumour . . . Add | $222.85 | – | – | |
| E896 - sophisticated microelectrode recording during stereotaxis, to N123 . . . Add | $400.40 | – | – | |
| N124 | Functional stereotaxy | $1,551.20 | 11 | 9 |
| N119 | Functional stereotaxy - Intracranial implantation of chronic surface electrodes | $901.25 | 11 | 11 |
| Z823 | Functional stereotaxy - Implantation or revision of stimulation pack or leads (peripheral nerve, brain) | $307.40 | 6 | 6 |
| Z824 | Functional stereotaxy - Removal of chronic surface or depth electrodes | $266.60 | – | – |
| Z802 | Ventricular puncture through previous burr hole or fontanelle or puncture and/or aspiration of cisterna | $81.65 | 7 | – |
| Z825 | Ventriculoscopy - to include burr hole | $408.95 | 7 | – |
| E916 - with biopsy . . . Add | $233.30 | – | – | |
| E917 - with interventriculostomy . . . Add | $301.70 | – | – | |
| E918 - with removal of foreign body . . . Add | $132.80 | – | – | |
| Z819 | Ventriculoscopy - External ventricular drainage | $215.35 | 7 | – |
| Z820 | Ventriculoscopy - Insertion of intracranial catheter or transducer for purposes of monitoring | $317.85 | 7 | – |
| Z812 | Ventriculoscopy - Subsequent revisions or replacements within 30 days . . . Each | $279.55 | 7 | 6 |
| Code | Description | Amount | Ans Units | Assist Units |
|---|---|---|---|---|
| N122 | Intracranial aneurysm repair - Endovascular approaches - Carotid circulation per vessel | $2,140.15 | 20 | 15 |
| N125 | Intracranial aneurysm repair - Endovascular approaches - Vertebrobasilar circulation, including aneurysm of vein of Galen | $2,140.15 | 20 | 15 |
| E894 - Intracranial aneurysm repair Endovascular approaches aneurysm greater than 2.5 cm, to N122 or N125 . . . Add | $229.55 | – | – | |
| N107 | Cerebral arteriovenous malformation - Endovascular approach for obliteration - Endovascular approach to include balloon catheter or embolization techniques for arteriovenous malformation | $1,456.95 | 15 | 15 |
| N118 | Carotid-cavernous fistula - Endovascular approach to include balloon catheter or embolization techniques for dural arteriovenous fistula including carotid cavernous fistula | $952.05 | 15 | 15 |
| Code | Description | Amount | Ans Units | Assist Units |
|---|---|---|---|---|
| N105 | Intracranial aneurysm repair - Craniotomy approaches - Carotid circulation per vessel | $2,140.15 | 20 | 15 |
| N154 | Intracranial aneurysm repair - Craniotomy approaches - Vertebrobasilar circulation, including aneurysm of vein of Galen | $2,140.15 | 20 | 15 |
| E901 - Craniotomy plus excision Astrocytoma, oligodendroglioma, glioblastoma or metastatic tumour Craniotomy plus lobectomy with operating microscope . . . Add | $234.65 | – | – | |
| E898 - Intracranial aneurysm repair Craniotomy approaches lesion greater than 2.5 cm, to N105 or N154 . . . add | $229.55 | – | – | |
| E979 - Intracranial aneurysm repair Craniotomy approaches clinoidal drilling for complex aneurysms, to N105 or N154 . . . add | $396.70 | – | – | |
| E908 - Intracranial aneurysm repair Craniotomy approaches removal of intracerebral and/or subdural haematoma in conjunction with a ruptured intracranial aneurysm or arteriovenous malformation, to N105 or N154 . . . add | $304.30 | – | – | |
| N106 | Cerebral vascular malformation - Craniotomy - supratentorial | $1,622.50 | 20 | 15 |
| N155 | Cerebral vascular malformation - Craniotomy - infratentorial | $1,532.10 | 20 | 15 |
| E901 - Craniotomy plus excision Astrocytoma, oligodendroglioma, glioblastoma or metastatic tumour Craniotomy plus lobectomy with operating microscope . . . Add | $234.65 | – | – | |
| E908 - Intracranial aneurysm repair Craniotomy approaches removal of intracerebral and/or subdural haematoma in conjunction with a ruptured intracranial aneurysm or arteriovenous malformation, to N105 or N154 . . . add | $304.30 | – | – | |
| E895 - Cerebral vascular malformation Craniotomy of cerebral arteriovenous malformation greater than 4 cm, to N106 or N155 . . . Add | $373.80 | – | – | |
| N218 | Cerebral vascular malformation - Extracranialintracranial microvascular anastomosis superficial temporal artery | $1,178.35 | 15 | 15 |
| N156 | Cerebral vascular malformation - Occipital artery | $0.00 | – | – |
| E904 - posterior fossa . . . add | $241.00 | – | – | |
| N121 | Cerebral vascular malformation - Extracranial-intracranial long venous bypass (from internal carotid in the neck or any of the trunk vessels in the neck or chest to a major intracerebral vessel, i.e. vertebral, internal carotid, middle cerebral) | $1,711.40 | 15 | 15 |
| Code | Description | Amount | Ans Units | Assist Units |
|---|---|---|---|---|
| N103 | Craniotomy plus excision - Astrocytoma, oligodendroglioma, glioblastoma or metastatic tumour - supratentorial | $1,562.90 | 15 | 15 |
| N151 | Craniotomy plus excision - Astrocytoma, oligodendroglioma, glioblastoma or metastatic tumour - infratentorial | $1,726.80 | 15 | 15 |
| N152 | Craniotomy plus excision - Astrocytoma, oligodendroglioma, glioblastoma or metastatic tumour - Craniotomy plus lobectomy | $1,575.80 | 15 | 15 |
| E901 - with operating microscope . . . Add | $234.65 | – | – | |
| N102 | Craniotomy plus excision - Meningioma and other tumourous lesions, including pituitary tumours - supratentorial | $1,726.80 | 15 | 15 |
| N153 | Craniotomy plus excision - Meningioma and other tumourous lesions, including pituitary tumours - infratentorial or basal | $2,345.00 | 15 | 15 |
| E901 - Craniotomy plus excision Astrocytoma, oligodendroglioma, glioblastoma or metastatic tumour Craniotomy plus lobectomy with operating microscope . . . Add | $234.65 | – | – | |
| E902 - Craniotomy plus excision Meningioma and other tumourous lesions, including pituitary tumours lesion greater than 2 cm diameter, to N102 or N153 . . . Add | $454.15 | – | – | |
| E903 - Craniotomy plus excision Meningioma and other tumourous lesions, including pituitary tumours team fee for acoustic neuroma, same approach . . . Add | $614.70 | – | – |
| Code | Description | Amount |
|---|---|---|
| C045 | Consultation | $121.10 |
| C046 | Repeat consultation | $58.25 |
| C043 | Specific assessment | $58.25 |
| C044 | Specific re-assessment | $30.00 |
| C042 | Subsequent visits - first five weeks … per visit | $31.00 |
| C047 | Subsequent visits - sixth to thirteenth week inclusive (maximum 3 per patient per week) … per visit | $31.00 |
| C049 | Subsequent visits - after thirteenth week (maximum 6 per patient per month) … per visit | $31.00 |
| C048 | Concurrent care … per visit | $31.00 |
| Code | Description | Amount | Ans Units | Assist Units |
|---|---|---|---|---|
| A935 | Special surgical consultation (see General Preamble GP13) | $160.00 | – | – |
| C935 | Special surgical consultation (see General Preamble GP13) | $160.00 | – | – |
| C122 | Subsequent visits by the Most Responsible Physician (MRP) - day following the hospital admission assessment | $58.80 | – | – |
| E083 - Subsequent visit by the MRP Premium | $0.00 | – | – | |
| C123 | Subsequent visits by the Most Responsible Physician (MRP) - second day following the hospital assessment | $58.80 | – | – |
| E083 - Subsequent visit by the MRP Premium | $0.00 | – | – | |
| C124 | Subsequent visits by the Most Responsible Physician (MRP) - day of discharge | $58.80 | – | – |
| E083 - Subsequent visit by the MRP Premium | $0.00 | – | – | |
| C142 | Subsequent visits by the MRP following transfer from an Intensive Care Area - first subsequent visit by the MRP following transfer from an Intensive Care Area | $58.80 | – | – |
| E083 - Subsequent visit by the MRP Premium | $0.00 | – | – | |
| C143 | Subsequent visits by the MRP following transfer from an Intensive Care Area -second subsequent visit by the MRP following transfer from an Intensive Care Area | $58.80 | – | – |
| E083 - Subsequent visit by the MRP Premium | $0.00 | – | – | |
| C121 | Subsequent visits by the MRP following transfer from an Intensive Care Area - Additional visits due to intercurrent illness (see General Preamble GP28) … per visit | $31.00 | – | – |
| C982 | Palliative care | $31.00 | – | – |
| E083 - Subsequent visit by the MRP Premium | $0.00 | – | – | |
| Z811 | Intravenous drug test for pain | $54.10 | 6 | – |
| E919 - intracranial duroplasty (greater than 2 cm diameter) to any intracranial procedure . . . add | $244.80 | – | – | |
| E921 - repeat cranial procedure payable in addition to any intracranial procedure and N111, N114 and N116 but excluding N127 . . . Add | $252.20 | – | – | |
| N108 | Carotid-cavernous fistula - Obliteration of intracranial dural arteriovenous fistula (including carotid cavernous fistula) to include craniotomy and combined cervical and intracranial procedure | $1,229.55 | 15 | 15 |
| N188 | Exploration, decompression, division, excision, biopsy, neurolysis and/or transposition - minor nerve including digital, cutaneous or lateral femoral cutaneous nerve | $153.70 | 7 | 6 |
| N285 | Exploration and/or decompression and/or transposition and/or neurolysis of major nerve (excluding carpal tunnel nerve) | $256.15 | 7 | 6 |
| N282 | Exploration, decompression, division, excision, biopsy, neurolysis and/or transposition - Brachial plexus (excluding thoracic outlet syndrome or cervical rib) | $1,000.00 | 6 | 6 |
| N177 | Exploration, decompression, division, excision, biopsy, neurolysis and/or transposition - Sciatic nerve in buttock | $430.75 | 7 | 6 |
| N286 | Exploration, decompression, division, excision, biopsy, neurolysis and/or transposition - Tumour or neuroma major nerve | $317.85 | 7 | 6 |
| N289 | Nerve suture - minor (sensory/cutaneous nerve) | $250.00 | 7 | 6 |
| N287 | Nerve suture - major (mixed sensory and motor nerve, or pure motor nerve) | $500.00 | 7 | 6 |
| N183 | Nerve graft - minor (sensory/cutaneous nerve) | $471.05 | 6 | 6 |
| N288 | Nerve graft - major (mixed sensory and motor nerve, or pure motor nerve) | $927.55 | 6 | 6 |
| E899 - for each additional cable, to N288 . . . Add | $102.45 | – | – | |
| Z816 | Implantation of electrode for peripheral nerve stimulation | $241.00 | 6 | 6 |
| N290 | Decompression median nerve at wrist (carpal tunnel syndrome) | $156.75 | 6 | 6 |
| N190 | Exploration and/or decompression and/or neurolysis of ulnar nerve (elbow) | $215.35 | 7 | 6 |
| N189 | Ulnar nerve transposition at elbow may include exploration, decompression and/or neurolysis | $279.25 | 7 | 6 |
| N283 | Decompression, exploration for thoracic outlet syndrome including excision of cervical and/or first rib and to include scalenotomy | $389.05 | 7 | 6 |
| N295 | Excision of Morton’s or subcutaneous neuroma, glomus or small cutaneous nerve tumour | $109.95 | 6 | 6 |