2018/2019 ICD-10-CM Diagnosis Code K20.0

Eosinophilic esophagitis

The following code(s) above K20.0 contain annotation back-references
Annotation Back-References
In this context, annotation back-references refer to codes that contain:
  • Applicable To annotations, or
  • Code Also annotations, or
  • Code First annotations, or
  • Excludes1 annotations, or
  • Excludes2 annotations, or
  • Includes annotations, or
  • Note annotations, or
  • Use Additional annotations
that may be applicable to K20.0:
  • K00-K95
    2019 ICD-10-CM Range K00-K95

    Diseases of the digestive system

    Type 2 Excludes
    • certain conditions originating in the perinatal period (P04-P96)
    • certain infectious and parasitic diseases (A00-B99)
    • complications of pregnancy, childbirth and the puerperium (O00-O9A)
    • congenital malformations, deformations and chromosomal abnormalities (Q00-Q99)
    • endocrine, nutritional and metabolic diseases (E00-E88)
    • injury, poisoning and certain other consequences of external causes (S00-T88)
    • neoplasms (C00-D49)
    • symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94)
    Diseases of the digestive system
  • K20-K31
    2019 ICD-10-CM Range K20-K31

    Diseases of esophagus, stomach and duodenum

    Type 2 Excludes
    Diseases of esophagus, stomach and duodenum
  • K20
    ICD-10-CM Diagnosis Code K20

    Esophagitis

      2016 2017 2018 2019 Non-Billable/Non-Specific Code
    Type 1 Excludes
    • erosion of esophagus (K22.1-)
    • esophagitis with gastro-esophageal reflux disease (K21.0)
    • reflux esophagitis (K21.0)
    • ulcerative esophagitis (K22.1-)
    Type 2 Excludes
    • eosinophilic gastritis or gastroenteritis (K52.81)
    Use Additional
    • code to identify:
    • alcohol abuse and dependence (F10.-)
    Esophagitis
Clinical Information ICD-10-CM K20.0 is grouped within Diagnostic Related Group(s) (MS-DRG v36.0):

Convert K20.0 to ICD-9-CM

Code History
Code annotations containing back-references to K20.0:

Diagnosis Index entries containing back-references to K20.0:

ICD-10-CM Codes Adjacent To K20.0
K14.0 Glossitis
K14.1 Geographic tongue
K14.2 Median rhomboid glossitis
K14.3 Hypertrophy of tongue papillae
K14.4 Atrophy of tongue papillae
K14.5 Plicated tongue
K14.6 Glossodynia
K14.8 Other diseases of tongue
K14.9 Disease of tongue, unspecified
K20 Esophagitis
K20.0 Eosinophilic esophagitis
K20.8 Other esophagitis
K20.9 Esophagitis, unspecified
K21 Gastro-esophageal reflux disease
K21.0 Gastro-esophageal reflux disease with esophagitis
K21.9 Gastro-esophageal reflux disease without esophagitis
K22 Other diseases of esophagus
K22.0 Achalasia of cardia
K22.1 Ulcer of esophagus
K22.10 …… without bleeding
K22.11 …… with bleeding

Reimbursement claims with a date of service on or after October 1, 2015 require the use of ICD-10-CM codes.