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T33.7

Non-billable

Superficial frostbite of knee and lower leg

T33.7 is the ICD-10-CM code for Superficial frostbite of knee and lower leg. It is a non-billable category code — use a more specific child code such as T33.70 for billing.

Status
Header (non-billable)
Chapter
S00-T88
Parent
T33
Subcodes
3
Edition
FY2026

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

Excludes2 — not included here

  • •superficial frostbite of ankle and foot (T33.8-)

Frequently asked questions

What is ICD-10 code T33.7?
T33.7 is the ICD-10-CM code for "Superficial frostbite of knee and lower leg". It falls under S00-T88 Injury, poisoning and certain other consequences of external causes.
Is T33.7 a billable code?
No — T33.7 is a non-billable header code. Use a more specific child code (such as T33.70) for billing.
What are the subcodes of T33.7?
T33.7 has 3 more specific child codes, including T33.70, T33.71, T33.72.

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

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