Personal history of other drug therapy

This code indicates a patient's past use of medications for therapeutic purposes, excluding chemotherapy, immunotherapy, or hormonal therapy. It signifies that the patient has a history of receiving drug treatment for a condition, but is no longer actively undergoing that specific therapy.

Use this code when documenting a patient's historical use of medications such as antibiotics, antivirals, antidepressants, or antihypertensives, where the treatment has concluded. It is appropriate for situations where the past drug therapy is relevant to current medical decision-making or risk assessment.

• Do not use this code for current drug therapy; instead, code the specific medication or condition being treated.
• Distinguish this from Z92.21 (personal history of antineoplastic chemotherapy) and Z92.22 (personal history of immunotherapy).
• Always code the underlying condition for which the drug therapy was administered, if known and relevant.