ICD-10-CM Codes
Z00-Z99
Z77-Z99
Long term (current) drug therapy Z79

Long term (current) drug therapy Z79-

Code Also

Code Also Help

A code also note instructs that 2 codes may be required to fully describe a condition but the sequencing of the two codes is discretionary, depending on the severity of the conditions and the reason for the encounter.

any therapeutic drug level monitoring (
ICD-10-CM Diagnosis Code Z51.81
Encounter for therapeutic drug level monitoring
Code Also
- any long-term (current) drug therapy (Z79.-)
Type 1 Excludes
- encounter for blood-drug test for administrative or medicolegal reasons (Z02.83)
Z51.81
)

Type 2 Excludes

Type 2 Excludes Help

A type 2 excludes note represents "not included here". A type 2 excludes note indicates that the condition excluded is not part of the condition it is excluded from but a patient may have both conditions at the same time. When a type 2 excludes note appears under a code it is acceptable to use both the code (Z79) and the excluded code together.

drug abuse and dependence (
ICD-10-CM Diagnosis Code F11
Opioid related disorders
F11
-
ICD-10-CM Diagnosis Code F19
Other psychoactive substance related disorders
Includes
- polysubstance drug use (indiscriminate drug use)
F19
)
drug use complicating pregnancy, childbirth, and the puerperium (
ICD-10-CM Diagnosis Code O99.32
Drug use complicating pregnancy, childbirth, and the puerperium
Use Additional
- code(s) from F11-F16 and F18-F19 to identify manifestations of the drug use
O99.32-
)

Includes

Includes Help

"Includes" further defines, or give examples of, the content of the code or category.

long term (current) drug use for prophylactic purposes

Codes

Z79 Long term (current) drug therapy
- Z79.0 Long term (current) use of anticoagulants and antithrombotics/antiplatelets
  - 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)
- Z79.2 Long term (current) use of antibiotics
- Z79.3 Long term (current) use of hormonal contraceptives
- 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
- Z79.6 Long term (current) use of immunomodulators and immunosuppressants
  - Z79.60 Long term (current) use of unspecified immunomodulators and immunosuppressants
  - Z79.61 Long term (current) use of immunomodulator
  - Z79.62 Long term (current) use of immunosuppressant
    - Z79.620 Long term (current) use of immunosuppressive biologic
    - Z79.621 Long term (current) use of calcineurin inhibitor
    - Z79.622 Long term (current) use of Janus kinase inhibitor
    - Z79.623 Long term (current) use of mammalian target of rapamycin (mTOR) inhibitor
    - Z79.624 Long term (current) use of inhibitors of nucleotide synthesis
  - Z79.63 Long term (current) use of chemotherapeutic agent
    - Z79.630 Long term (current) use of alkylating agent
    - Z79.631 Long term (current) use of antimetabolite agent
    - Z79.632 Long term (current) use of antitumor antibiotic
    - Z79.633 Long term (current) use of mitotic inhibitor
    - Z79.634 Long term (current) use of topoisomerase inhibitor
  - Z79.64 Long term (current) use of myelosuppressive agent
  - Z79.69 Long term (current) use of other immunomodulators and immunosuppressants
- 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
  - Z79.82 Long term (current) use of aspirin
  - Z79.83 Long term (current) use of bisphosphonates
  - Z79.84 Long term (current) use of oral hypoglycemic drugs
  - Z79.85 Long-term (current) use of injectable non-insulin antidiabetic drugs
  - Z79.89 Other long term (current) drug therapy
    - Z79.890 Hormone replacement therapy
    - Z79.891 Long term (current) use of opiate analgesic
    - Z79.899 Other long term (current) drug therapy

Long term (current) drug therapy Z79-

Encounter for therapeutic drug level monitoring

Opioid related disorders

Other psychoactive substance related disorders

Drug use complicating pregnancy, childbirth, and the puerperium