Diagnosis Code

K21.9 GASTRO-ESOPHAGEAL REFLUX DISEASE WITHOUT ESOPHAGITIS


Code Information

Diagnosis Code: K21.9

Short Description: Gastro-esophageal reflux disease without esophagitis

Long Description: Gastro-esophageal reflux disease without esophagitis

The code K21.9 is VALID for claim submission

Code Classification:

  • Diseases of the digestive system (K00–K95)
    • Diseases of esophagus, stomach and duodenum (K20-K31)
      • Gastro-esophageal reflux disease (K21)
        • K21.9 Gastro-esophageal reflux disease without esophagitis

Code Version: 2022 ICD-10-CM


Synonyms

  • Acid reflux
  • Chalasia of lower esophageal sphincter
  • Diaphragmatic hernia with gastroesophageal reflux disease
  • Digestive system reflux
  • Duodenogastric reflux
  • Erosive gastro-esophageal reflux disease
  • Esophageal reflux finding
  • Esophageal reflux finding
  • Esophageal reflux finding
  • Esophageal reflux finding
  • Esophageal reflux finding
  • Excessive gastric reflux
  • Finding of esophageal function
  • Finding of esophageal function
  • Finding of esophageal function
  • Finding of esophageal function
  • Finding of esophageal function
  • Gastric reflux
  • Gastroesophageal reflux disease
  • Gastroesophageal reflux disease in pregnancy
  • Gastroesophageal reflux disease with apnea
  • Gastroesophageal reflux disease without esophagitis
  • Gastroesophageal reflux in child
  • Hiatal hernia with gastroesophageal reflux
  • Hiatal hernia with gastroesophageal reflux
  • Laryngitis due to gastroesophageal reflux
  • Laryngopharyngeal reflux
  • Minimal gastric reflux
  • Moderate gastric reflux
  • Non-erosive gastro-esophageal reflux disease
  • Paraesophageal hernia
  • Paraesophageal hernia with gastroesophageal reflux
  • Secondary hernia of abdomen
  • STAG1-related intellectual disability, facial dysmorphism, gastroesophageal reflux syndrome

Diagnostic Related Group(s)

The code K21.9 is grouped in the following Diagnostic Related Group(s) (MS-DRG v39.0)
  • Esophagitis, Gastroenteritis And Miscellaneous Digestive Disorders With Mcc (391)
  • Esophagitis, Gastroenteritis And Miscellaneous Digestive Disorders Without Mcc (392)

References to Index of Diseases and Injuries

The code K21.9 has the following ICD-10-CM references to the Index of Diseases and Injuries
  • Inclusion Terms:
    • Esophageal reflux NOS

Crosswalk Information

ICD-10 Code ICD-9 Code ICD-9 Description
K21.9 Right Arrow 530.81 Esophageal reflux

This ICD-10 to ICD-9 data is based on the 2018 General Equivalency Mapping (GEM) files published by the Centers for Medicare & Medicaid Services (CMS) for informational purposes only. The data is not an ICD-10 conversion tool and doesn’t guarantee clinical accuracy.

Similar Codes

ICD-10 Code ICD-10 Description
K21 Gastro-esophageal reflux disease
K21.0 Gastro-esophageal reflux disease with esophagitis
K21.00 Gastro-esophageal reflux disease with esophagitis, without bleeding
K21.01 Gastro-esophageal reflux disease with esophagitis, with bleeding


This page was last updated on: 10/1/2023