2007 ICD-9-CM Procedure 69.21 Interposition operation 69.21 is a specific code that can be used to specify a procedure 69.21 contains 4 index entries View the full Volume 3 69.* hierarchy 69.21 also known as: Watkins procedure Index entries containing 69.21: Interposition operation uterine suspension 69.21 Operation Watkins (-Wertheim) (uterus interposition) 69.21 Repair uterus, uterine 69.49 ligaments 69.29 by interposition 69.21 Watkins (-Wertheim) operation (uterus interposition) 69.21