ICD-10-PCS code structure

Section:
  0 = Medical and Surgical

Body System:
  0 = Central Nervous System and Cranial Nerves

Root Operation:

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See Terms used in Medical and Surgical

The 4^th character refers to the body part or body region.

Release

Freeing a body part from an abnormal physical constraint by cutting or by the use of force

• 00NL - Abducens Nerve

  Includes:

  • Sixth cranial nerve

• 00NR - Accessory Nerve

  Includes:

  • Eleventh cranial nerve

• 00NN - Acoustic Nerve

  Includes:

  • Cochlear nerve
  • Eighth cranial nerve
  • Scarpa's (vestibular) ganglion
  • Spiral ganglion
  • Vestibular (Scarpa's) ganglion
  • Vestibular nerve
  • Vestibulocochlear nerve

• 00N8 - Basal Ganglia

  Includes:

  • Basal nuclei
  • Claustrum
  • Corpus striatum
  • Globus pallidus
  • Substantia nigra
  • Subthalamic nucleus

• 00N0 - Brain

  Includes:

  • Cerebrum
  • Corpus callosum
  • Encephalon

• 00NC - Cerebellum

  Includes:

  • Culmen

• 00N7 - Cerebral Hemisphere

  Includes:

  • Frontal lobe
  • Occipital lobe
  • Parietal lobe
  • Temporal lobe

• 00N1 - Cerebral Meninges

  Includes:

  • Arachnoid mater, intracranial
  • Leptomeninges, intracranial
  • Pia mater, intracranial

• 00N6 - Cerebral Ventricle

  Includes:

  • Aqueduct of Sylvius
  • Cerebral aqueduct (Sylvius)
  • Choroid plexus
  • Ependyma
  • Foramen of Monro (intraventricular)
  • Fourth ventricle
  • Interventricular foramen (Monro)
  • Left lateral ventricle
  • Right lateral ventricle
  • Third ventricle

• 00NW - Cervical Spinal Cord

  Includes:

  • Dorsal root ganglion

• 00N2 - Dura Mater

  Includes:

  • Diaphragma sellae
  • Dura mater, intracranial
  • Falx cerebri
  • Tentorium cerebelli

• 00NM - Facial Nerve

  Includes:

  • Chorda tympani
  • Geniculate ganglion
  • Greater superficial petrosal nerve
  • Nerve to the stapedius
  • Parotid plexus
  • Posterior auricular nerve
  • Seventh cranial nerve
  • Submandibular ganglion

• 00NP - Glossopharyngeal Nerve

  Includes:

  • Carotid sinus nerve
  • Ninth cranial nerve
  • Tympanic nerve

• 00NS - Hypoglossal Nerve

  Includes:

  • Twelfth cranial nerve

• 00NA - Hypothalamus

  Includes:

  • Mammillary body

• 00NY - Lumbar Spinal Cord

  Includes:

  • Cauda equina
  • Conus medullaris
  • Dorsal root ganglion

• 00ND - Medulla Oblongata

  Includes:

  • Myelencephalon

• 00NH - Oculomotor Nerve

  Includes:

  • Third cranial nerve

• 00NF - Olfactory Nerve

  Includes:

  • First cranial nerve
  • Olfactory bulb

• 00NG - Optic Nerve

  Includes:

  • Optic chiasma
  • Second cranial nerve

• 00NB - Pons

  Includes:

  • Apneustic center
  • Basis pontis
  • Locus ceruleus
  • Pneumotaxic center
  • Pontine tegmentum
  • Superior olivary nucleus

• 00NT - Spinal Meninges

  Includes:

  • Arachnoid mater, spinal
  • Denticulate (dentate) ligament
  • Dura mater, spinal
  • Filum terminale
  • Leptomeninges, spinal
  • Pia mater, spinal

• 00N9 - Thalamus

  Includes:

  • Epithalamus
  • Geniculate nucleus
  • Metathalamus
  • Pulvinar

• 00NX - Thoracic Spinal Cord

  Includes:

  • Dorsal root ganglion

• 00NK - Trigeminal Nerve

  Includes:

  • Fifth cranial nerve
  • Gasserian ganglion
  • Mandibular nerve
  • Maxillary nerve
  • Ophthalmic nerve
  • Trifacial nerve

• 00NJ - Trochlear Nerve

  Includes:

  • Fourth cranial nerve

• 00NQ - Vagus Nerve

  Includes:

  • Anterior vagal trunk
  • Pharyngeal plexus
  • Pneumogastric nerve
  • Posterior vagal trunk
  • Pulmonary plexus
  • Recurrent laryngeal nerve
  • Superior laryngeal nerve
  • Tenth cranial nerve