K20

Esophagitis

Non-billable header

K20 is a non-billable header code. Use one of the more specific codes below.

Excludes1

Not coded here — never report together with this code.

  • erosion of esophagus (K22.1-)
  • esophagitis with gastro-esophageal reflux disease (K21.0-)
  • reflux esophagitis (K21.0-)
  • ulcerative esophagitis (K22.1-)

Excludes2

Not included here — may be reported together when both conditions exist.

  • 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)
  • hiatus hernia (K44.-)
  • eosinophilic gastritis or gastroenteritis (K52.81)

Use additional code

Add a code to identify the following, if applicable.

  • code to identify:
  • alcohol abuse and dependence (F10.-)

More specific codes K20

  • K20.0Eosinophilic esophagitisBillable
  • K20.8Other esophagitisHeader
  • K20.9Esophagitis, unspecifiedHeader

Related codes

  • K21Gastro-esophageal reflux diseaseHeader
  • K22Other diseases of esophagusHeader
  • K23Disorders of esophagus in diseases classified elsewhereBillable
  • K25Gastric ulcerHeader
  • K26Duodenal ulcerHeader
  • K27Peptic ulcer, site unspecifiedHeader
  • K28Gastrojejunal ulcerHeader
  • K29Gastritis and duodenitisHeader
  • K30Functional dyspepsiaBillable
  • K31Other diseases of stomach and duodenumHeader

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