OHIP Billing Codes

Specialty: Cranial

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Code	Description	Anes	Asst	Fee
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Brain
N152	Craniotomy plus excision - Astrocytoma, oligodendroglioma, glioblastoma or metastatic tumour - Craniotomy plus lobectomy	15	15	$1,575.80
N151	Craniotomy plus excision - Astrocytoma, oligodendroglioma, glioblastoma or metastatic tumour - infratentorial	15	15	$1,862.85
N103	Craniotomy plus excision - Astrocytoma, oligodendroglioma, glioblastoma or metastatic tumour - supratentorial	15	15	$1,686.05
N153	Craniotomy plus excision - Meningioma and other tumourous lesions, including pituitary tumours - infratentorial or basal	15	15	$2,529.80
N102	Craniotomy plus excision - Meningioma and other tumourous lesions, including pituitary tumours - supratentorial	15	15	$1,862.85
Carotid and Vertebral Arteries
Z808	Progressive carotid occlusion by Selverstone clamp	10	10	$317.85
Z807	Removal of Selverstone clamp	10	10	$266.60
Z815	Temporal artery - biopsy, ligation or cryosurgery	6		$200.00
N223	Vertebral endarterectomy	10	10	$798.80
Cerebral Injury
N150	C.S.F. leak - intracranial repair (to include trans-sphenoidal approach)	15	15	$1,065.45
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N200	Decompressive craniectomy (frontal, subtemporal)	11	11	$738.60
N149	Removal of foreign body from brain	15	15	$968.50
N148	Removal of intracerebral haematoma and/or debridement of traumatized brain (includes management of any skull fracture)	15	15	$1,204.65
Z803	Subdural tap(s) - unilateral	0		$53.10
Complete Study - 1 and 2 dimensions
G571	Professional component	0		$96.20
	G400 Physician-in-charge - 1st day			$223.10
G570	Technical component	0		$118.95
	G400 Physician-in-charge - 1st day			$223.10
COVID-19 Immunization
G593	COVID-19 vaccine	0		$13.00
Cranial Nerves
N266	Anastomosis hypoglossal or accessory to facial nerve	6	6	$727.80
Z826	Inferior dental neurectomy	6	6	$184.00
Z827	Infraorbital or supraorbital neurectomy	7	6	$158.45
N267	Occipital and/or suboccipital craniectomy for compression, decompression or section of cranial nerves	11	11	$1,280.90
N258	Percutaneous coagulation or glyceral injection of gasserian (trigeminal) ganglion or root - unilateral	11		$504.95
N259	V - Decompression or rhizotomy (partial or complete) trigeminal nerve	11	11	$671.75
N265	VII - Differential section facial nerve for hemi-facial spasm (extracranial approach)	6	6	$348.30
N269	XI - Division of nerves to sternomastoid in neck	7	6	$292.25
Cranio-Cerebral Injuries
N144	Extracerebral haematoma and/or hygroma - Drainage and/or removal by craniotomy	11	11	$999.30
N143	Extracerebral haematoma and/or hygroma - Drainage by burr hole(s) unilateral	7	7	$647.80
N140	Reduction of skull fracture - compound	11	11	$895.00
N139	Reduction of skull fracture - simple, depressed	7	7	$634.90
CSF Shunting Procedures
N174	Conversion of shunt (e.g. ventriculoperitoneal to ventriculoatrial) - includesremoval of existing shunt	7	7	$585.90
Z821	Conversion of shunt (e.g. ventriculoperitoneal to ventriculoatrial) - Injection of diagnostic or therapeutic agent into shunt apparatus	0		$53.10
Z809	Conversion of shunt (e.g. ventriculoperitoneal to ventriculoatrial) - Insertion of CSF reservoir (Ommaya) including burr holes	11	11	$428.90
N246	Conversion of shunt (e.g. ventriculoperitoneal to ventriculoatrial) - Removal of shunt any type	7	7	$289.70
N249	Conversion of shunt (e.g. ventriculoperitoneal to ventriculoatrial) - Third ventriculostomy	11	11	$1,084.25
N230	CSF shunting procedures - all types	11	11	$1,027.40
Z801	Revision of CSF shunt - non-operative	0		$51.50
N245	Revision of CSF shunt - operative - all types	7	7	$585.90
Intracranial Abscess
N115	Burr hole - aspiration	7	7	$578.85
N113	Burr hole - Craniotomy for brain biopsy (other than for tumour)	11	11	$1,019.15
N130	Burr hole - Craniotomy plus midline commissurotomy	15	15	$1,014.85
N109	Burr hole - Hemispherectomy	15	15	$1,878.35
N126	Burr hole - Intraoral approach to lesions of the skull base and upper cervical spine	15	15	$1,442.95
N110	Burr hole - Lobectomy and/or excision of cortical scar for epilepsy	15	15	$2,184.20
Z813	Burr hole - plus needling of brain for biopsy	7	7	$560.85
N129	Burr hole - Posterior fossa decompression for Arnold Chiari malformation	15	15	$1,284.95
N127	Burr hole - Re-opening of craniotomy for postoperative haematoma or for removal of bone flap	11	11	$518.85
N128	Burr hole - Repair of encephalocoele	15	15	$924.70
N123	Burr hole - Stereotaxis intracranial (to include ventriculography)	11	11	$559.60
Z818	Burr hole - subsequent aspiration through existing burr hole within 30 days	0		$215.35
N117	Craniotomy	15	15	$1,416.50
N124	Functional stereotaxy	11	9	$2,040.15
Z823	Functional stereotaxy - Implantation or revision of stimulation pack or leads (peripheral nerve, brain)	8	8	$404.30
N119	Functional stereotaxy - Intracranial implantation of chronic surface electrodes	11	11	$1,185.30
Z824	Functional stereotaxy - Removal of chronic surface or depth electrodes	0		$266.60
Z802	Ventricular puncture through previous burr hole or fontanelle or puncture and/or aspiration of cisterna	7		$81.65
Z820	Ventriculoscopy - Insertion of intracranial catheter or transducer for purposes of monitoring	7		$367.95
Z812	Ventriculoscopy - Subsequent revisions or replacements within 30 days - Each	7	6	$279.55
Z825	Ventriculoscopy - to include burr hole	7		$731.20
Intracranial Cyst
N160	Craniotomy plus evacuation - Burr hole plus aspiration	15	15	$426.95
N159	Craniotomy plus evacuation - infratentorial	15	15	$1,065.05
N158	Craniotomy plus evacuation - supratentorial	15	15	$968.50
Intracranial Endovascular Surgery
N118	Carotid-cavernous fistula - Endovascular approach to include balloon catheter or embolization techniques for dural arteriovenous fistula including carotid cavernous fistula	15	15	$952.05
N107	Cerebral arteriovenous malformation - Endovascular approach for obliteration - Endovascular approach to include balloon catheter or embolization techniques for arteriovenous malformation	15	15	$1,456.95
N122	Intracranial aneurysm repair - Endovascular approaches - Carotid circulation per vessel	20	15	$2,140.15
N125	Intracranial aneurysm repair - Endovascular approaches - Vertebrobasilar circulation, including aneurysm of vein of Galen	20	15	$2,140.15
Neurosurgery - Open Surgical Approach
N108	Carotid-cavernous fistula - Obliteration of intracranial dural arteriovenous fistula (including carotid cavernous fistula) to include craniotomy and combined cervical and intracranial procedure	15	15	$1,229.55
N155	Cerebral vascular malformation - Craniotomy - infratentorial	20	15	$2,015.00
N106	Cerebral vascular malformation - Craniotomy - supratentorial	20	15	$2,006.05
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)	15	15	$1,711.40
N218	Cerebral vascular malformation - Extracranialintracranial microvascular anastomosis superficial temporal artery	15	15	$1,364.05
N156	Cerebral vascular malformation - Occipital artery	15	15	$1,229.55
N105	Intracranial aneurysm repair - Craniotomy approaches - Carotid circulation pervessel	20	15	$2,477.45
N154	Intracranial aneurysm repair - Craniotomy approaches - Vertebrobasilar circulation, including aneurysm of vein of Galen	20	15	$2,477.45
Orbit
N213	Craniotomy - for decompression of optic nerve(s)	15	15	$1,116.60
N212	Craniotomy - plus orbital decompression (roof of orbit with or without lateral wall)	15	15	$1,045.45
N211	Craniotomy - plus removal of orbital tumour	15	15	$1,116.60
Other
Z811	Intravenous drug test for pain	6		$54.10
Skull
N207	Craniosynostosis, linear craniectomy - multiple sutures	15	15	$563.50
N206	Craniosynostosis, linear craniectomy - one suture	11	11	$430.75
N208	Craniotomy - for craniofacial repair	15	15	$918.15
N167	Lateral canthal advancement - Bilateral - one surgeon	15	15	$952.55
N169	Lateral canthal advancement - Bilateral - two surgeons, lesser portion	0		$461.10
N168	Lateral canthal advancement - Bilateral - two surgeons, major portion	15	15	$614.70
N164	Lateral canthal advancement - Unilateral - one surgeon	15	15	$696.35
N166	Lateral canthal advancement - Unilateral - two surgeons, lesser portion	0	15	$345.35
N165	Lateral canthal advancement - Unilateral - two surgeons, major portion	15	15	$430.75
N163	Morcellation procedure - multiple sutures	15	15	$614.70
N162	Morcellation procedure - one suture	11	11	$430.75
N161	Repair of skull defect - Acrylic or metal cranioplasty	11	11	$600.85
N202	Repair of skull defect - Replacement of bone flap	11	11	$540.95
N201	Repair of skull defect - Rib graft cranioplasty (defect less than 7.5 cm)	15	15	$855.80
N203	Repair of skull defect - Skull tumour, excision	11	11	$408.30
Skull Base Surgery Complex Closure, Repair and / or Reconstruction of Defect(s)
N290	Decompression median nerve at wrist (carpal tunnel syndrome)	6	6	$156.75
N283	Decompression, exploration for thoracic outlet syndrome including excision of cervical and/or first rib and to include scalenotomy	7	7	$389.05
N295	Excision of Morton's or subcutaneous neuroma, glomus or small cutaneous nerve tumour	6	6	$109.95
N282	Exploration, decompression, division, excision, biopsy, neurolysis and/or transposition - Brachial plexus (excluding thoracic outlet syndrome or cervical rib)	6	6	$1,000.00
N286	Exploration, decompression, division, excision, biopsy, neurolysis and/or transposition - Tumour or neuroma major nerve	7	7	$317.85
Z816	Implantation of electrode for peripheral nerve stimulation	6	6	$241.00
N288	Nerve graft - major (mixed sensory and motor nerve, or pure motor nerve)	6	6	$927.55
N183	Nerve graft - minor (sensory/cutaneous nerve)	6	6	$471.05
N287	Nerve suture - major (mixed sensory and motor nerve, or pure motor nerve)	7	7	$500.00
N289	Nerve suture - minor (sensory/cutaneous nerve)	7	7	$250.00
Skull Base Surgery Resection of Lesion(s) - Endonasal Approach
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)	20		$2,243.45
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)	20		$1,742.45
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)	20		$1,879.00
Skull Base Surgery Surgical Access - Endonasal Approach
N112	Surgeon not rendering resection of lesion(s) - Endonasal endoscopic or microscopic approach for surgical access to sella turcica	0		$1,360.00
Spontaneous Intracerebral Haemorrhage
N120	Craniotomy plus removal - Burr hole plus drainage	15	15	$481.90
N157	Craniotomy plus removal - infratentorial	15	15	$1,388.40
N104	Craniotomy plus removal - supratentorial	15	15	$1,230.00

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