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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-)
Z79.0 Long term (current) use of anticoagulants and antithrombotics/antiplatelets
Excludes2: long term (current) use of aspirin (Z79.83)
Z79.01 Long term (current) use of anticoagulants
Z79.02 Long term (current) use of antithrombotics/antiplatelets
Z79.1 Long term (current) use of non-steroidal anti-inflammatories (NSAID)
Excludes2: long term (current) use of aspirin (Z79.82)
Z79.2 Long term (current) use of antibiotics
Z79.3 Long term (current) use of hormonal contraceptives
Long term (current) use of birth control pill or patch
Z79.4 Long term (current) use of insulin
Z79.5 Long term (current) use of steroids
Z79.51 Long term (current) use of inhaled steroids
Z79.52 Long term (current) use of systemic steroids
Z79.8 Other long term (current) drug therapy
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)
Use additional 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)
Excludes1: hormone replacement therapy (postmenopausal) (Z79.890)
Z79.810 Long term (current) use of selective estrogen receptor modulators (SERMs)
Long term (current) use of raloxifene (Evista)
Long term (current) use of tamoxifen (Nolvadex)
Long term (current) use of toremifene (Fareston)
Z79.811 Long term (current) use of aromatase inhibitors
Long