Search Browse Crosswalk Fees Tools Pricing

Codelle

AI-powered medical coding assistant for healthcare practices and billers.

Pricing Privacy Terms

© 2026 Codelle. All rights reserved.

CPT® copyright 2026 American Medical Association. All rights reserved. CPT is a registered trademark of the American Medical Association. Applicable FARS/DFARS restrictions apply to government use. Fee schedules, relative value units, conversion factors and/or related components are not assigned by the AMA, are not part of CPT, and the AMA is not recommending their use.

ICD-10-CM T40.416 — Underdosing of fentanyl or fe… | Codelle

ICD-10-CM/T40.41/T40.416

T40.416

ICD-10-CM

Underdosing of fentanyl or fentanyl analogs

Code Hierarchy

▲T40.41Fentanyl or fentanyl analogs

T40.416(current)

Subcodes (3)

T40.416AUnderdosing of fentanyl or fentanyl analogs, init

T40.416DUnderdosing of fentanyl or fentanyl analogs, subs

T40.416SUnderdosing of fentanyl or fentanyl analogs, sequela

Same Category

T40Narcotics and psychodysleptics T40.0Poisoning by, adverse effect of and underdosing of opium T40.0XPoisoning by, adverse effect of and underdosing of opium T40.0X1Poisoning by opium, accidental (unintentional)T40.0X1APoisoning by opium, accidental (unintentional), init encntr T40.0X1DPoisoning by opium, accidental (unintentional), subs encntr T40.0X1SPoisoning by opium, accidental (unintentional), sequela T40.0X2Poisoning by opium, intentional self-harm T40.0X2APoisoning by opium, intentional self-harm, initial encounter T40.0X2DPoisoning by opium, intentional self-harm, subs encntr

+5 more in this category