2006 ICD-9-CM Volume 1 Diagnosis Codes Home > Diseases Of The Nervous System And Sense Organs 320-389 > Disorders Of The Eye And Adnexa 360-379 > 2006 ICD-9-CM Diagnosis 365 Glaucoma View the most recent version of ICD-9-CM 365 Increased pressure in the eyeball due to obstruction of the outflow of aqueous humor. An ocular disease, occurring in many forms, having as its primary characteristics an unstable or a sustained increase in the intraocular pressure which the eye cannot withstand without damage to its structure or impairment of its function. The consequences of the increased pressure may be manifested in a variety of symptoms, depending upon type and severity, such as excavation of the optic disk, hardness of the eyeball, corneal anesthesia, reduced visual acuity, seeing of colored halos around lights, disturbed dark adaptation, visual field defects, and headaches. 365 is a non-specific code that cannot be used to specify a diagnosis 365 Excludes blind hypertensive eye [absolute glaucoma] (360.42) congenital glaucoma (743.20-743.22)