Z53 - Persons encountering health services for specific procedures and treatment, not carried out
Z53.2 - Procedure and treatment not carried out because of patient's decision for other and unspecified reasons
Z53.20 - Procedure and treatment not carried out because of patient's decision for unspecified reasons
Z53.21 - Procedure and treatment not carried out due to patient leaving prior to being seen by health care provider
Z53.29 - Procedure and treatment not carried out because of patient's decision for other reasons