H46: Optic neuritis
H46.1: Retrobulbar neuritis

inclusionTerm
Retrobulbar neuritis NOS

excludes1
syphilitic retrobulbar neuritis (A52.15)
H46.10: Retrobulbar neuritis, unspecified eye
H46.11: Retrobulbar neuritis, right eye
H46.12: Retrobulbar neuritis, left eye
H46.13: Retrobulbar neuritis, bilateral

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