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9C42 Disorder of post chiasmal visual pathways International Classification of Diseases for Mortality and Morbidity Statistics, 11th Revision, v2025-01 inclusions Disorders of optic tracts, geniculate nuclei and optic radiations coding note Use additional code, if desired, to identify underlying condition.
postcoordination Add Stem and/or Extension codes to form a cluster code which adds detail to the condition.
Laterality - only one may be selected [select] XK9J Bilateral XK8G Left XK9K Right XK70 Unilateral, unspecified Associated with - multiple selections are allowed [select] 9D90 Vision impairment including blindness – 9D90.1 Mild vision impairment – 9D90.2 Moderate vision impairment – 9D90.3 Severe vision impairment – 9D90.6 Blindness – 9D90.7 Near vision impairment 9D92 Specific vision dysfunctions 9D93 Complex vision-related dysfunctions 9D94 Impairment of presenting visual acuity 9D95 Impairment of best corrected visual acuity 9D96 Impairment of uncorrected visual acuity 9D9Y Other specified vision impairment 9D9Z Vision impairment, unspecified
synonyms Disorder of post chiasmal visual pathways Disorders of other visual pathways Disorders of optic tracts, geniculate nuclei and optic radiations
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