Kodex

Code

Z79.818

Long term (current) use of other agents affecting estrogen receptors and estrogen levels

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Hierarchy

Z00-Z99 Factors influencing health status and contact with health services (Z00-Z99)
- Z77-Z99 Persons with potential health hazards related to family and personal history and certain conditions influencing health status (Z77-Z99)
  - Z79 Long term (current) drug therapy
    - Z79.8 Other long term (current) drug therapy
      - Z79.81 Long term (current) use of agents affecting estrogen receptors and estrogen levels
        
        Z79.810 Long term (current) use of selective estrogen receptor modulators (SERMs)
        
        Z79.811 Long term (current) use of aromatase inhibitors
        
        Z79.818 Long term (current) use of other agents affecting estrogen receptors and estrogen levels

Notes

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.

Inclusion Terms

Z79.818

Long term (current) use of estrogen receptor downregulators
Long term (current) use of fulvestrant (Faslodex)
Long term (current) use of gonadotropin-releasing hormone (GnRH) agonist
Long term (current) use of goserelin acetate (Zoladex)
Long term (current) use of leuprolide acetate (leuprorelin) (Lupron)
Long term (current) use of megestrol acetate (Megace)

Code First

, if applicable:
C50 Malignant neoplasm of breast
C61 Malignant neoplasm of prostate

Code Also

any therapeutic drug level monitoring (Z51.81)
- Z51.81 Encounter for therapeutic drug level monitoring

any follow-up examination (Z08-Z09)

Use Additional

code, if applicable, to identify:
estrogen receptor positive status (Z17.0)
- Z17.0 Estrogen receptor positive status [ER+]
family history of breast cancer (Z80.3)
- Z80.3 Family history of malignant neoplasm of breast
Z15.0 Genetic susceptibility to malignant neoplasm
personal history of breast cancer (Z85.3)
- Z85.3 Personal history of malignant neoplasm of breast
personal history of prostate cancer (Z85.46)
- Z85.46 Personal history of malignant neoplasm of prostate
postmenopausal status (Z78.0)
- Z78.0 Asymptomatic menopausal state

Includes

long term (current) drug use for prophylactic purposes

Excludes 1

Z79.890 Hormone replacement therapy

Excludes 2

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