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 > Visual Disturbances 368.* > 2006 ICD-9-CM Diagnosis 368.63 Abnormal dark adaptation curve View the most recent version of ICD-9-CM 368.63 368.63 is a specific code that can be used to specify a diagnosis 368.63 contains 3 index entries View the ICD-9-CM Volume 1 368.* hierarchy Alternate Terminology Abnormal threshold of cones or rods Delayed adaptation of cones or rods  Index entries containing 368.63: Abnormal, abnormality, abnormalities - see also Anomaly adaptation curve, dark 368.63 threshold, cones or rods (eye) 368.63 Delay, delayed adaptation, cones or rods 368.63