Question 1

Is A21 a billable ICD-10 code?

Accepted Answer

No, A21 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 A21 mean?

Accepted Answer

ICD-10-CM code A21 represents Tularemia. 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 A21 introduced?

Accepted Answer

Code A21 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 A21?

Accepted Answer

The parent category for A21 is section:A20-A28 (Certain zoonotic bacterial diseases (A20-A28)). This hierarchical classification helps organize related diagnoses for more accurate coding.

A212026

Excludes11Not coded together

Excludes24Not included here

Use Additional Code1Add code for detail

Includes4Included conditions

Is A21 a billable ICD-10 code?

What does ICD-10 code A21 mean?

When was ICD-10 code A21 introduced?

What is the parent category for ICD-10 code A21?