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 The Orbit 376.* > 2006 ICD-9-CM Diagnosis 376.21 Thyrotoxic exophthalmos View the most recent version of ICD-9-CM 376.21 376.21 is a specific code that can be used to specify a diagnosis 376.21 contains 3 index entries View the ICD-9-CM Volume 1 376.* hierarchy  Index entries containing 376.21: Exophthalmos 376.30 hyperthyroidism 242.0 [376.21] malignant 242.0 [376.21] thyrotoxic 242.0 [376.21]