actinic keratosis coding

how would you code, (hypertrophic actinic keratosis with moderate to severe atypia) is this considered malignant or benign and what dx code? Thanks

Mar 4th, 2011 -

icd 9 code

icd 9 code 702.0-actinic keratosis-def:wart-like growth, red or skin-colored may form a cutaneous horn. Does not go into any other specification regarding what kind of atypia.