Disease staging: CliniCal anD CoDeD Criteria - HCUP

Clinical Criteria with Description, Diagnostic Findings and ICD-9-CM codes
DXCat Number: EYE24
MultiStage: No
DXCat Label: Neoplasm, Benign: Pterygium Specificity: A
Etiology:
Neoplasm
Stage Description Diagnostic findings ICD-9-CM Codes
1.01 Limbal mass Flat mass in the horizontal meridian
DX 37992;
AND with no active borders
AND no staining of the cornea
1.02 Inactive pterygium Flat mass in the horizontal meridian with borders on the corneal limbus onto the superficial cornea DX 37240-37241;
AND with no active borders
AND no staining of the cornea
1.03 Active pterygium Flat mass in the horizontal meridian with borders on the corneal limbus onto the superficial cornea DX 37242;
AND active borders
AND staining of the cornea
1.04 Advanced pterygium Flat mass in the horizontal meridian with borders grown past the apex of the cornea
DX 37243-37245;
AND active borders
AND staining of the cornea
References:
Grayson M. Degenerations, dystrophies and edema of the cornea. In: Duane TD, ed. Clinical Ophthalmology. Hagerstown, MD: Harper & Row, 1979.
Thursday, January 07, 2010 9:21:37 AM
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