Z79.81

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

Non-billable header

Z79.81 is a non-billable header code. Use one of the more specific codes below.

Inclusion terms

Includes (from Z79)

  • long term (current) drug use for prophylactic purposes
  • Note: 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:
  • Note: (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.
  • Note: (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.

Excludes1

Not coded here — never report together with this code.

  • hormone replacement therapy (Z79.890)

Excludes2

Not included here — may be reported together when both conditions exist.

  • drug abuse and dependence (F11-F19) (from Z79)
  • drug use complicating pregnancy, childbirth, and the puerperium (O99.32-) (from Z79)

Code first

Sequence the underlying condition first.

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

Use additional code

Add a code to identify the following, if applicable.

  • 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)

Code also

An additional code may be needed.

  • any follow-up examination (Z08-Z09) (from Z79)
  • any therapeutic drug level monitoring (Z51.81) (from Z79)

Parent code

  • Z79.8Other long term (current) drug therapyHeader

More specific codes Z79.81

  • Z79.810Long term (current) use of selective estrogen receptor modulators (SERMs)Billable
  • Z79.811Long term (current) use of aromatase inhibitorsBillable
  • Z79.818Long term (current) use of other agents affecting estrogen receptors and estrogen levelsBillable

Related codes

  • Z79.82Long term (current) use of aspirinBillable
  • Z79.83Long term (current) use of bisphosphonatesBillable
  • Z79.84Long term (current) use of oral hypoglycemic drugsBillable
  • Z79.85Long-term (current) use of injectable non-insulin antidiabetic drugsBillable
  • Z79.89Other long term (current) drug therapyHeader

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