Optic disc swelling

Description

This refers to swelling in the location where ganglion cell axons exit the eye to form the optic nerve. There are no light sensitive rods or cones to respond to a light stimulus at this point.

Exclusions from above levels

01 – Certain infectious or parasitic diseases
05 – Endocrine, nutritional or metabolic diseases
18 – Complications of pregnancy, childbirth and the puerperium

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19 – Certain conditions originating in the perinatal period
22 – Injury, poisoning or certain other consequences of external causes
8A21.0 – Posterior cortical atrophy

Child codes

9C40.A0 – Papilloedema
9C40.A1 – Optic disc swelling associated with uveitis
9C40.AY – Other specified optic disc swelling
9C40.AZ – Optic disc swelling, unspecified

Sibling codes

9C40.0 – Infectious optic neuropathy
9C40.1 – Optic neuritis
9C40.2 – Neuroretinitis
9C40.3 – Perineuritis of optic nerve
9C40.4 – Ischaemic optic neuropathy
9C40.5 – Compressive optic neuropathy
9C40.6 – Infiltrative optic neuropathy
9C40.7 – Traumatic optic neuropathy
9C40.8 – Hereditary optic neuropathy
9C40.9 – Glaucomatous optic neuropathy
9C40.B – Optic atrophy
9C40.Y – Other specified disorder of the optic nerve
9C40.Z – Disorder of the optic nerve, unspecified

Foundation entity

Optic disc swelling – http://id.who.int/icd/entity/162282288

Allowed postcoordination axes

Part of: 9C40: Disorder of the optic nerve › 09: Diseases of the visual system