T36.8X6

Non-billable

Underdosing of other systemic antibiotics

T36.8X6 is the ICD-10-CM code for Underdosing of other systemic antibiotics. It is a non-billable category code — use a more specific child code such as T36.8X6A for billing.

Status
Header (non-billable)
Chapter
S00-T88
Parent
T36.8X
Subcodes
3
Edition
FY2026

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

What this means — in plain language

MedlinePlus · NIH

What are antibiotics? Antibiotics are medicines that fight bacterial infections in people and animals. They work by killing the bacteria or by making it hard for the bacteria to grow and multiply. Antibiotics can be taken in different ways: Orally (by mouth). This could be pills, capsules, or liquids. Topically. This might be a cream, spray, or ointment that you put on your skin. It could also be eye ointment, eye…

Read more about Antibiotics at MedlinePlus ↗

Source: U.S. National Library of Medicine (MedlinePlus). Informational only — not medical advice.

No additional coding notes for this code.

Frequently asked questions

What is ICD-10 code T36.8X6?
T36.8X6 is the ICD-10-CM code for "Underdosing of other systemic antibiotics". It falls under S00-T88 Injury, poisoning and certain other consequences of external causes.
Is T36.8X6 a billable code?
No — T36.8X6 is a non-billable header code. Use a more specific child code (such as T36.8X6A) for billing.
What are the subcodes of T36.8X6?
T36.8X6 has 3 more specific child codes, including T36.8X6A, T36.8X6D, T36.8X6S.

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

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