K21

The ICD-10-CM code for gastro-esophageal reflux disease is K21. The full clinical description is "Gastro-esophageal reflux disease". K21 is a non-billable header code. Use a more specific child code for billing purposes.

ICD-10-CM code K21 represents “Gastro-esophageal reflux disease”. It is classified under Chapter 11: Diseases of the Digestive System and is a non-billable header code. Use a more specific child code for billing purposes.

No, K21 is a non-billable header code. You need to use one of its more specific child codes for billing. There are 2 child codes under K21.

K21 is in Chapter 11: Diseases of the Digestive System (codes K00-K95).

K21 has Excludes1 notes indicating codes that cannot be used together with it, including: newborn esophageal reflux (P78.83).

K21 has 2 child codes, including: K21.0 (Gastro-esophageal reflux disease with esophagitis), K21.9 (Gastro-esophageal reflux disease without esophagitis).

K21 is linked to 1 UMLS Concept Unique Identifier: C0017168. The UMLS (Unified Medical Language System) integrates multiple biomedical vocabularies maintained by the U.S. National Library of Medicine.

ICF (International Classification of Functioning, Disability and Health) codes describe how conditions like gastro-esophageal reflux disease affect a person's functioning — body functions, activities, participation, and environmental factors. AutoICD provides ICF Core Sets for 12+ conditions and can map clinical text to ICF categories automatically. Browse the ICF directory to explore functioning codes.

K21 maps to the ICD-11 code: DA22.Z (Gastro-oesophageal reflux disease, unspecified).