Alphabetic Index · main term
Backflow
Backflow is a main term in the FY2027 ICD-10-CM Alphabetic Index (Index to Diseases and Injuries). It is a cross-reference: the Index sends you to Reflux, which lists K21.9. Confirm the code in the Tabular List before you report it.
Where the Index sends you
see Reflux
Gastro-esophageal reflux disease without esophagitis
First-level subterms 6
- acidK21.9
- esophagealK21.9
- gastroesophagealK21.9
- mitral see Insufficiency, mitral
- ureteral see Reflux, vesicoureteral
- vesicoureteral (with scarring)N13.70