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Z79.818

ICD-10-CM 2027 · Billable

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

Sibling codes

  • Z79.810 – Long term (current) use of selective estrogen receptor modulators (SERMs)
  • Z79.811 – Long term (current) use of aromatase inhibitors

Inclusion terms

  • 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)

Inherited from Z79.81: Long term (current) use of agents affecting estrogen receptors and estrogen levels

Code first

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

Excludes1

  • hormone replacement therapy (Z79.890)

Use additional code

  • 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)

Inherited from Z79: Long term (current) drug therapy

Code also

  • any therapeutic drug level monitoring (Z51.81)

Excludes2

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

Includes

  • long term (current) drug use for prophylactic purposes

Part of: Z79.81: Long term (current) use of agents affecting estrogen receptors and estrogen levels › Z79.8: Other long term (current) drug therapy › Z79: Long term (current) drug therapy