Question 1

Is J21 a billable ICD-10 code?

Accepted Answer

No, J21 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 J21 mean?

Accepted Answer

ICD-10-CM code J21 represents Acute bronchiolitis. 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 J21 introduced?

Accepted Answer

Code J21 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 J21?

Accepted Answer

The parent category for J21 is section:J20-J22 (Other acute lower respiratory infections (J20-J22)). This hierarchical classification helps organize related diagnoses for more accurate coding.

Question 5

What conditions should be coded separately from J21?

Accepted Answer

Code J21 has Type 2 Excludes including: respiratory bronchiolitis interstitial lung disease (J84.115). These conditions are not included in J21 but can be coded together if the patient has both conditions.

J212026

Excludes211Not included here

Use Additional Code7Add code for detail

Notes1Additional information

Includes1Included conditions

Is J21 a billable ICD-10 code?

What does ICD-10 code J21 mean?

When was ICD-10 code J21 introduced?

What is the parent category for ICD-10 code J21?

What conditions should be coded separately from J21?