ICD-10-CM · FY 2026 APRIL UPDATE

T39.8

Poisoning by, adverse effect of and underdosing of other nonopioid analgesics and antipyretics, not elsewhere classified

Diagnosis reference

Nonbillable category

This entry is a category or subcategory. Choose the appropriate billable descendant based on the clinical documentation.

Effective periodOctober 1, 2026–September 30, 2027

SourceCMS ICD-10-CM order file

ClassificationDiagnosis · clinical modification

Related entries

Up to 30 descendants in this category

CODE	DESCRIPTION	TYPE
T39.8X	Poisoning by, adverse effect of and underdosing of other nonopioid analgesics and antipyretics, not elsewhere classified	Category
T39.8X1	Poisoning by other nonopioid analgesics and antipyretics, not elsewhere classified, accidental (unintentional)	Category
T39.8X1A	Poisoning by other nonopioid analgesics and antipyretics, not elsewhere classified, accidental (unintentional), initial encounter	Billable
T39.8X1D	Poisoning by other nonopioid analgesics and antipyretics, not elsewhere classified, accidental (unintentional), subsequent encounter	Billable
T39.8X1S	Poisoning by other nonopioid analgesics and antipyretics, not elsewhere classified, accidental (unintentional), sequela	Billable
T39.8X2	Poisoning by other nonopioid analgesics and antipyretics, not elsewhere classified, intentional self-harm	Category
T39.8X2A	Poisoning by other nonopioid analgesics and antipyretics, not elsewhere classified, intentional self-harm, initial encounter	Billable
T39.8X2D	Poisoning by other nonopioid analgesics and antipyretics, not elsewhere classified, intentional self-harm, subsequent encounter	Billable
T39.8X2S	Poisoning by other nonopioid analgesics and antipyretics, not elsewhere classified, intentional self-harm, sequela	Billable
T39.8X3	Poisoning by other nonopioid analgesics and antipyretics, not elsewhere classified, assault	Category
T39.8X3A	Poisoning by other nonopioid analgesics and antipyretics, not elsewhere classified, assault, initial encounter	Billable
T39.8X3D	Poisoning by other nonopioid analgesics and antipyretics, not elsewhere classified, assault, subsequent encounter	Billable
T39.8X3S	Poisoning by other nonopioid analgesics and antipyretics, not elsewhere classified, assault, sequela	Billable
T39.8X4	Poisoning by other nonopioid analgesics and antipyretics, not elsewhere classified, undetermined	Category
T39.8X4A	Poisoning by other nonopioid analgesics and antipyretics, not elsewhere classified, undetermined, initial encounter	Billable
T39.8X4D	Poisoning by other nonopioid analgesics and antipyretics, not elsewhere classified, undetermined, subsequent encounter	Billable
T39.8X4S	Poisoning by other nonopioid analgesics and antipyretics, not elsewhere classified, undetermined, sequela	Billable
T39.8X5	Adverse effect of other nonopioid analgesics and antipyretics, not elsewhere classified	Category
T39.8X5A	Adverse effect of other nonopioid analgesics and antipyretics, not elsewhere classified, initial encounter	Billable
T39.8X5D	Adverse effect of other nonopioid analgesics and antipyretics, not elsewhere classified, subsequent encounter	Billable
T39.8X5S	Adverse effect of other nonopioid analgesics and antipyretics, not elsewhere classified, sequela	Billable
T39.8X6	Underdosing of other nonopioid analgesics and antipyretics, not elsewhere classified	Category
T39.8X6A	Underdosing of other nonopioid analgesics and antipyretics, not elsewhere classified, initial encounter	Billable
T39.8X6D	Underdosing of other nonopioid analgesics and antipyretics, not elsewhere classified, subsequent encounter	Billable
T39.8X6S	Underdosing of other nonopioid analgesics and antipyretics, not elsewhere classified, sequela	Billable

Use the complete reference

This reference does not reproduce the full tabular hierarchy, inclusion notes, Excludes1/2 notes, sequencing instructions, or seventh-character rules. Review the official tables and coding guidelines.

Open official CMS files

ICD-10-CM codes describe diagnoses. They do not have an independent Medicare PFS reimbursement amount, and billability alone does not establish coverage.