2007 ICD-9-CM Procedure 64.91 Dorsal or lateral slit of prepuce 64.91 is a specific code that can be used to specify a procedure 64.91 contains 2 index entries View the full Volume 3 64.* hierarchy Index entries containing 64.91: Preputiotomy 64.91 Slitting prepuce (dorsal) (lateral) 64.91