Long term (current) use of selective estrogen receptor modulators (SERMs)

hormone replacement therapy (Z79.890)

• , if applicable:
• malignant neoplasm of breast (C50.-)
• malignant neoplasm of prostate (C61)

• code, if applicable, to identify:
• estrogen receptor positive status (Z17.0)
• family history of breast cancer (Z80.3)
• genetic susceptibility to malignant neoplasm (cancer) (Z15.0-)
• personal history of breast cancer (Z85.3)
• personal history of prostate cancer (Z85.46)
• postmenopausal status (Z78.0)

• Z codes represent reasons for encounters. A corresponding procedure code must accompany a Z code if a procedure is performed. Categories Z00-Z99 are provided for occasions when circumstances other than a disease, injury or external cause classifiable to categories A00-Y89 are recorded as 'diagnoses' or 'problems'. This can arise in two main ways:
• (a) When a person who may or may not be sick encounters the health services for some specific purpose, such as to receive limited care or service for a current condition, to donate an organ or tissue, to receive prophylactic vaccination (immunization), or to discuss a problem which is in itself not a disease or injury.
• (b) When some circumstance or problem is present which influences the person's health status but is not in itself a current illness or injury.

any follow-up examination (Z08-Z09)

long term (current) drug use for prophylactic purposes

• drug abuse and dependence (F11-F19)
• drug use complicating pregnancy, childbirth, and the puerperium (O99.32-)

any therapeutic drug level monitoring (Z51.81)