T39.9Header code — not billable

Poisoning by, adverse effect of and underdosing of unspecified nonopioid analgesic, antipyretic and antirheumatic

Short description: Unsp nonopi analgs/antipyr/antirheu

Chapter
19. Injury, poisoning and certain other consequences of external causes
Category
T39
Effective date
October 1, 2026

Related codes in category T39

T39Nonopioid analgesics, antipyretics and antirheumaticsT39.0SalicylatesT39.01Poisoning by, adverse effect of and underdosing of aspirinT39.011Poisoning by aspirin, accidental (unintentional)T39.011APoisoning by aspirin, accidental (unintentional), initYesT39.011DPoisoning by aspirin, accidental (unintentional), subsYesT39.011SPoisoning by aspirin, accidental (unintentional), sequelaYesT39.012Poisoning by aspirin, intentional self-harmT39.012APoisoning by aspirin, intentional self-harm, init encntrYesT39.012DPoisoning by aspirin, intentional self-harm, subs encntrYesT39.012SPoisoning by aspirin, intentional self-harm, sequelaYesT39.013Poisoning by aspirin, assault

Frequently asked questions

What is ICD-10 code T39.9?

T39.9 is an ICD-10-CM diagnosis code for Poisoning by, adverse effect of and underdosing of unspecified nonopioid analgesic, antipyretic and antirheumatic.

Is T39.9 a billable code?

No. T39.9 is a category/header code, not billable on its own — use one of its more specific child codes instead.

What ICD-10-CM chapter is T39.9 in?

T39.9 falls under Chapter 19: Injury, poisoning and certain other consequences of external causes.

When did T39.9 become effective?

T39.9 has been effective since October 1, 2026, per the CMS/CDC ICD-10-CM annual release.

What other codes are related to T39.9?

T39.9 belongs to category T39, which includes 12 other codes — see the related codes list on this page.

ICD-10-CM data maintained by CDC/CMS (public domain). Always verify codes with authoritative sources before making coding or billing decisions.