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T39.4X6

Non-billable

Underdosing of antirheumatics, not elsewhere classified

T39.4X6 is the ICD-10-CM code for Underdosing of antirheumatics, not elsewhere classified. It is a non-billable category code — use a more specific child code such as T39.4X6A for billing.

Status
Header (non-billable)
Chapter
S00-T88
Parent
T39.4X
Subcodes
3
Edition
FY2026

S00-T88 Injury, poisoning and certain other consequences of external causes

No additional coding notes for this code.

Frequently asked questions

What is ICD-10 code T39.4X6?
T39.4X6 is the ICD-10-CM code for "Underdosing of antirheumatics, not elsewhere classified". It falls under S00-T88 Injury, poisoning and certain other consequences of external causes.
Is T39.4X6 a billable code?
No — T39.4X6 is a non-billable header code. Use a more specific child code (such as T39.4X6A) for billing.
What are the subcodes of T39.4X6?
T39.4X6 has 3 more specific child codes, including T39.4X6A, T39.4X6D, T39.4X6S.

Source: CMS ICD-10-CM FY2026. For informational purposes only — not medical advice. See our medical disclaimer.

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