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 > Disorders Of Conjunctiva 372.* > 2006 ICD-9-CM Diagnosis 372.42 Peripheral pterygium progressive View the most recent version of ICD-9-CM 372.42 372.42 is a specific code that can be used to specify a diagnosis 372.42 contains 1 index entry View the ICD-9-CM Volume 1 372.* hierarchy  Index entries containing 372.42: Pterygium (eye) 372.40 peripheral (stationary) 372.41 progressive 372.42