Question 1

Is T33 a billable ICD-10 code?

Accepted Answer

No, T33 is not a billable code. It is a category code that requires additional specificity. You must select a more specific code from the subcategories for billing purposes.

Question 2

What does ICD-10 code T33 mean?

Accepted Answer

ICD-10-CM code T33 represents Superficial frostbite. This code is part of the International Classification of Diseases, 10th Revision, Clinical Modification used for medical coding and billing in the United States.

Question 3

When was ICD-10 code T33 introduced?

Accepted Answer

Code T33 has been part of ICD-10-CM since 2016, when the coding system was mandated for use in the United States. This code was included in the original US implementation.

Question 4

What is the parent category for ICD-10 code T33?

Accepted Answer

The parent category for T33 is section:T33-T34 (Frostbite (T33-T34)). This hierarchical classification helps organize related diagnoses for more accurate coding.

Question 5

Does T33 require a 7th character extension?

Accepted Answer

Yes, T33 requires a 7th character to specify the encounter type. Available extensions include: A (initial encounter), D (subsequent encounter), S (sequela). Use "X" as a placeholder to fill empty positions before the 7th character (e.g., T33XXA for initial encounter). The extension indicates whether this is an initial visit, follow-up, or treatment for a late effect.

T332026

Excludes23Not included here

Use Additional Code1Add code for detail

Notes2Additional information

Includes1Included conditions

7th Character Extensions3Encounter type specifiers

Is T33 a billable ICD-10 code?

What does ICD-10 code T33 mean?

When was ICD-10 code T33 introduced?

What is the parent category for ICD-10 code T33?

Does T33 require a 7th character extension?