ICD Code Z79-

ICD code Z79- is used to indicate a patient’s long-term (current) use of certain medications, such as insulin, anticoagulants, or other prescribed drugs, as part of their ongoing treatment plan.

1. Patient is receiving long-term (current) drug therapy.

2. Medication is being taken for a chronic condition or for prophylactic purposes.

3. Therapy is ongoing and not for short-term or acute use.

4. The drug is not being administered for the treatment of an acute illness or injury.

5. Documentation supports continued use of the medication at the time of the encounter.

Applicable CPT codes for ICD code Z79- may include, but are not limited to:

99201–99499 (Evaluation and Management services)

96365–96379 (Therapeutic, prophylactic, and diagnostic infusions and injections)

J0120–J3490 (Medication administration and drug codes)

G0438, G0439 (Annual wellness visits)

99406–99409 (Behavioral counseling for substance use)

99495–99496 (Transitional care management)

99487–99489 (Chronic care management)

99490 (Chronic care management services)

99457–99458 (Remote physiologic monitoring treatment management services)

The specific CPT code(s) used will depend on the clinical scenario and services provided.

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