Question 1

Is R18 a billable ICD-10 code?

Accepted Answer

No, R18 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 R18 mean?

Accepted Answer

ICD-10-CM code R18 represents Ascites. 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 R18 introduced?

Accepted Answer

Code R18 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 R18?

Accepted Answer

The parent category for R18 is section:R10-R19 (Symptoms and signs involving the digestive system and abdomen (R10-R19)). This hierarchical classification helps organize related diagnoses for more accurate coding.

Question 5

What conditions are excluded from R18?

Accepted Answer

Code R18 has Type 1 Excludes (mutually exclusive conditions) including: ascites in alcoholic cirrhosis (K70.31); ascites in alcoholic hepatitis (K70.11); ascites in toxic liver disease with chronic active hepatitis (K71.51). These conditions cannot be coded together with R18 as they represent different diagnoses.

R182026

Excludes13Not coded together

Excludes213Not included here

Notes9Additional information

Includes1Included conditions

Is R18 a billable ICD-10 code?

What does ICD-10 code R18 mean?

When was ICD-10 code R18 introduced?

What is the parent category for ICD-10 code R18?

What conditions are excluded from R18?