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K21.9 - Gastro-esophageal reflux disease without esophagitis


The ICD 10 Code for Gastro-esophageal reflux disease without esophagitis is listed as K21.9.
Additional information concerning this code and description can be found below including ICD 9 crosswalks / GEMS, chapter information, and DRGs where available.

ICD 10 CM Field Value
Diagnosis Code: K21.9
Description: Gastro-esophageal reflux disease without esophagitis
  • Esophageal reflux NOS
Diagnostic Related Groups
(MS-DRG v30.0)
391 - Esophagitis, Gastroent & Misc Digest Disorders W Mcc
392 - Esophagitis, Gastroent & Misc Digest Disorders W/o Mcc
Chapter Diseases of the digestive system (K00-K95)
Block Diseases of esophagus, stomach and duodenum (K20-K31)
Parent K21 - Gastro-esophageal reflux disease
ICD-9-CM Diagnosis Codes General Equivalence Mappings (GEMS):
ICD 9 Dx Code: 530.81 - Esophageal reflux
ICD-10-CM Siblings (same level / similar specificity) of K21.9:
K21.0 - Gastro-esophageal reflux disease with esophagitis