Question 1

Is K21.9 a billable ICD-10 code?

Accepted Answer

Yes, K21.9 is a valid billable ICD-10-CM code for gastro-esophageal reflux disease without esophagitis. It can be used for medical billing and reimbursement purposes.

Question 2

What does ICD-10 code K21.9 mean?

Accepted Answer

ICD-10-CM code K21.9 represents Gastro-esophageal reflux disease without esophagitis. 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 K21.9 introduced?

Accepted Answer

Code K21.9 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 K21.9?

Accepted Answer

The parent category for K21.9 is K21 (Gastro-esophageal reflux disease). This hierarchical classification helps organize related diagnoses for more accurate coding.

K21.92026

Excludes11Not coded together

Excludes29Not included here

Notes1Additional information

Also Known As10Alternative terms

Is K21.9 a billable ICD-10 code?

What does ICD-10 code K21.9 mean?

When was ICD-10 code K21.9 introduced?

What is the parent category for ICD-10 code K21.9?

What DRGs may include ICD-10 code K21.9?

How common is hospitalization for K21.9?