Question 1

Is A09 a billable ICD-10 code?

Accepted Answer

Yes, A09 is a valid billable ICD-10-CM code for infectious gastroenteritis and colitis, unspecified. It can be used for medical billing and reimbursement purposes.

Question 2

What does ICD-10 code A09 mean?

Accepted Answer

ICD-10-CM code A09 represents Infectious gastroenteritis and colitis, unspecified. 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 A09 introduced?

Accepted Answer

Code A09 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 A09?

Accepted Answer

The parent category for A09 is section:A00-A09 (Intestinal infectious diseases (A00-A09)). This hierarchical classification helps organize related diagnoses for more accurate coding.

Question 5

What conditions are excluded from A09?

Accepted Answer

Code A09 has Type 1 Excludes (mutually exclusive conditions) including: colitis NOS (K52.9); diarrhea NOS (R19.7); enteritis NOS (K52.9) and 2 more conditions. These conditions cannot be coded together with A09 as they represent different diagnoses.

A092026

Excludes16Not coded together

Excludes24Not included here

Use Additional Code1Add code for detail

Notes3Additional information

Includes1Included conditions

Also Known As10Alternative terms

Is A09 a billable ICD-10 code?

What does ICD-10 code A09 mean?

When was ICD-10 code A09 introduced?

What is the parent category for ICD-10 code A09?

What conditions are excluded from A09?

What DRGs may include ICD-10 code A09?

How common is hospitalization for A09?