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 > Other Disorders Of Eyelids 374.* > 2006 ICD-9-CM Diagnosis 374.33 Mechanical ptosis View the most recent version of ICD-9-CM 374.33 374.33 is a specific code that can be used to specify a diagnosis 374.33 contains 1 index entry View the ICD-9-CM Volume 1 374.* hierarchy  Index entries containing 374.33: Ptosis (adiposa) 374.30 eyelid 374.30 mechanical 374.33