Non-Billable / Non-Specific Code
ICD-10-CM T39 is the diagnosis code for Poisoning by, adverse effect of and underdosing of nonopioid analgesics, antipyretics and antirheumatics. This code falls under the section "Poisoning by, adverse effect of and underdosing of drugs, medicaments and biological substances" within Chapter 19 — Injury, poisoning and certain other consequences of external causes (S00-T88). It is a non-billable/non-specific ICD-10-CM code that should not be used for reimbursement. A more specific sub-code is required for billing. Medical coders and healthcare providers use this code to document and classify diagnoses in electronic health records, insurance claims, and clinical databases.
Always refer to the official ICD-10-CM Tabular List for complete coding guidelines. Ensure documentation supports the specificity of the code selected. When in doubt, consult a certified medical coder or the latest CMS guidelines.
Understanding where T39 sits in the ICD-10-CM classification helps ensure proper coding:
No, T39 is a non-billable/non-specific code. You should use a more specific sub-code for billing and reimbursement.
T39 is the ICD-10-CM diagnosis code for "Poisoning by, adverse effect of and underdosing of nonopioid analgesics, antipyretics and antirheumatics". It is used by healthcare providers to classify and document this condition in medical records and insurance claims.
T39 is located in Section T36-T50 — "Poisoning by, adverse effect of and underdosing of drugs, medicaments and biological substances" within Chapter 19 of the ICD-10-CM Tabular List.
T39 has 7 sub-code(s) that provide more specific detail: T39.0, T39.1, T39.2, T39.3, T39.4 and more.
Use T39 when the patients documented diagnosis matches "Poisoning by, adverse effect of and underdosing of nonopioid analgesics, antipyretics and antirheumatics" and the clinical documentation supports this level of specificity. Always verify with the latest ICD-10-CM guidelines and payer requirements.
The ICD-10-CM code for Poisoning by, adverse effect of and underdosing of nonopioid analgesics, antipyretics and antirheumatics is T39.
No, T39 is non-billable. Use a more specific sub-code for primary diagnosis billing.
T39 is in Chapter 19 of the ICD-10-CM Tabular List.
Yes, T39 is a valid ICD-10-CM code for the 2026 fiscal year, subject to official CMS updates.