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9B01 Disorders of the efferent pupillary system

International Classification of Diseases for Mortality and Morbidity Statistics, 11th Revision, v2024-01

code elsewhere

• Horner syndrome  (8D8A.1)
• Horner syndrome, acquired  (8D8A.1)
• Horner syndrome, congenital  (8D8A.1)

sections/codes in this section (9B01-9B01)

• Physiologic anisocoria  (9B01.0)
• Parasympathoparetic pupils  (9B01.1)
• Pharmacologic inhibition of the parasympathetic pathway  (9B01.2)
• Iris sphincter disorders  (9B01.3)
• Pharmacologic parasympathicotonic pupils  (9B01.4)
• Pharmacologic sympathoparetic pupils  (9B01.5)
• Sympathotonic pupils  (9B01.6)
• Episodic unilateral mydriasis  (9B01.7)
• Other specified disorders of the efferent pupillary system  (9B01.Y)
• Disorders of the efferent pupillary system, unspecified  (9B01.Z)

postcoordination

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