T38.891Header code — not billable

Poisoning by other hormones and synthetic substitutes, accidental (unintentional)

Short description: Poisoning by oth hormones and synthetic sub, accidental

Chapter
19. Injury, poisoning and certain other consequences of external causes
Category
T38
Effective date
October 1, 2026

Related codes in category T38

T38Hormones and their synthetic substitutes and antag, NECT38.0Glucocorticoids and synthetic analoguesT38.0XGlucocorticoids and synthetic analoguesT38.0X1Poisoning by glucocort/synth analog, accidentalT38.0X1APoisoning by glucocort/synth analog, accidental, initYesT38.0X1DPoisoning by glucocort/synth analog, accidental, subsYesT38.0X1SPoisoning by glucocort/synth analog, accidental, sequelaYesT38.0X2Poisoning by glucocort/synth analog, intentional self-harmT38.0X2APoisoning by glucocort/synth analog, self-harm, initYesT38.0X2DPoisoning by glucocort/synth analog, self-harm, subsYesT38.0X2SPoisoning by glucocort/synth analog, self-harm, sequelaYesT38.0X3Poisoning by glucocort/synth analog, assault

Frequently asked questions

What is ICD-10 code T38.891?

T38.891 is an ICD-10-CM diagnosis code for Poisoning by other hormones and synthetic substitutes, accidental (unintentional).

Is T38.891 a billable code?

No. T38.891 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 T38.891 in?

T38.891 falls under Chapter 19: Injury, poisoning and certain other consequences of external causes.

When did T38.891 become effective?

T38.891 has been effective since October 1, 2026, per the CMS/CDC ICD-10-CM annual release.

What other codes are related to T38.891?

T38.891 belongs to category T38, 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.