ICD-10-CM code "K21": Gastro-esophageal reflux disease (2024)

Overview

ICD-10 CodeK21
DescriptionGastro-esophageal reflux disease
Hierarchy
  1. Diseases of the digestive system (K00-K95)
  2. Diseases of esophagus, stomach and duodenum (K20-K31)
  3. Gastro-esophageal reflux disease (K21)
Billable statusNon billable code

Excludes

  1. Diseases of the digestive system (K00-K95)

    Type 2certain conditions originating in the perinatal period (P04-P96)

    Type 2certain infectious and parasitic diseases (A00-B99)

    Type 2complications of pregnancy, childbirth and the puerperium (O00-O9A)

    Type 2congenital malformations, deformations and chromosomal abnormalities (Q00-Q99)

    Type 2endocrine, nutritional and metabolic diseases (E00-E88)

    Type 2injury, poisoning and certain other consequences of external causes (S00-T88)

    Type 2neoplasms (C00-D49)

    Type 2symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94)

  2. Diseases of esophagus, stomach and duodenum (K20-K31)

    Type 2hiatus hernia (K44.-)

  3. Gastro-esophageal reflux disease (K21)

    Type 1newborn esophageal reflux (P78.83)

Includes

  1. Diseases of the digestive system (K00-K95)
  2. Diseases of esophagus, stomach and duodenum (K20-K31)
  3. Gastro-esophageal reflux disease (K21)

Subcategories