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 Eye 379.* > 2006 ICD-9-CM Diagnosis 379.42 Miosis (persistent) not due to miotics View the most recent version of ICD-9-CM 379.42 Pupillary constriction. This may result from congenital absence of the dilatator pupillary muscle, defective sympathetic innervation, or irritation of the CONJUNCTIVA or CORNEA. 379.42 is a specific code that can be used to specify a diagnosis 379.42 contains 2 index entries View the ICD-9-CM Volume 1 379.* hierarchy  Index entries containing 379.42: Miosis (persistent) (pupil) 379.42 Myosis (persistent) 379.42 stromal (endolymphatic) (M8931/1) 236.0