Get started free

T33.9

Non-billable

Superficial frostbite of other and unspecified sites

T33.9 is the ICD-10-CM code for Superficial frostbite of other and unspecified sites. It is a non-billable category code — use a more specific child code such as T33.90 for billing.

Status
Header (non-billable)
Chapter
S00-T88
Parent
T33
Subcodes
2
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 T33.9?
T33.9 is the ICD-10-CM code for "Superficial frostbite of other and unspecified sites". It falls under S00-T88 Injury, poisoning and certain other consequences of external causes.
Is T33.9 a billable code?
No — T33.9 is a non-billable header code. Use a more specific child code (such as T33.90) for billing.
What are the subcodes of T33.9?
T33.9 has 2 more specific child codes, including T33.90, T33.99.

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

Look up another ICD-10 code or condition

Powered by Eleplan

Free ICD-10 lookup is just the start. Eleplan keeps the whole care plan in one place.

Diagnoses, medications, documents, appointments, and the whole care team — organized and always in sync, with Ellie, your AI care assistant, on top of it. Free to start.

Get started freeSee how Eleplan works →