Question 1

Is T78 a billable ICD-10 code?

Accepted Answer

No, T78 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 T78 mean?

Accepted Answer

ICD-10-CM code T78 represents Adverse effects, not elsewhere classified. 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 T78 introduced?

Accepted Answer

Code T78 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 T78?

Accepted Answer

The parent category for T78 is section:T66-T78 (Other and unspecified effects of external causes (T66-T78)). This hierarchical classification helps organize related diagnoses for more accurate coding.

Question 5

What conditions should be coded separately from T78?

Accepted Answer

Code T78 has Type 2 Excludes including: complications of surgical and medical care NEC (T80-T88). These conditions are not included in T78 but can be coded together if the patient has both conditions.

Question 6

Does T78 require a 7th character extension?

Accepted Answer

Yes, T78 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., T78XXA for initial encounter). The extension indicates whether this is an initial visit, follow-up, or treatment for a late effect.

T782026

Excludes23Not included here

Use Additional Code1Add code for detail

Notes2Additional information

7th Character Extensions3Encounter type specifiers