2008 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.* >  2008 ICD-9-CM Diagnosis 372.4
Pterygium On October 1, 2008 the 2009 ICD-9-CM codes came into effect. Therefore, this code may be out of date.
The 2009 version of ICD-9-CM 372.4 can be accessed here. - A triangular patch of hypertrophied bulbar subconjunctival tissue, extending from the inner canthus to the border of the cornea or beyond, with apex pointing toward the pupil.
- An abnormal triangular fold of membrane in the interpalpebral fissure, extending from the conjunctiva to the cornea, being immovably united to the cornea at its apex, firmly attached to the sclera throughout its middle portion, and merged with the conjunctiva at its base. (Dorland, 27th ed)
- 372.4 is a non-specific code that cannot be used to specify a diagnosis
- View the ICD-9-CM Volume 1 372.* hierarchy
372.4 excludes:
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