K21.01

Gastro-esophageal reflux disease with esophagitis, with bleeding

Billable / specific

K21.01 is a billable, specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes in FY2027.

Excludes1

Not coded here — never report together with this code.

  • newborn esophageal reflux (P78.83) (from K21)

Excludes2

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

  • certain conditions originating in the perinatal period (P04-P96) (from K21)
  • certain infectious and parasitic diseases (A00-B99) (from K21)
  • complications of pregnancy, childbirth and the puerperium (O00-O9A) (from K21)
  • congenital malformations, deformations and chromosomal abnormalities (Q00-Q99) (from K21)
  • endocrine, nutritional and metabolic diseases (E00-E88) (from K21)
  • injury, poisoning and certain other consequences of external causes (S00-T88) (from K21)
  • neoplasms (C00-D49) (from K21)
  • symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94) (from K21)
  • hiatus hernia (K44.-) (from K21)

Also known as

  • Disease, diseased, gastroesophageal reflux, with esophagitis, with bleeding
  • Esophagitis, due to gastrointestinal reflux disease, with bleeding
  • Esophagitis, reflux, with bleeding
  • Reflux, esophageal, with esophagitis, with bleeding
  • Reflux, gastroesophageal, with esophagitis, with bleeding

Parent code

  • K21.0Gastro-esophageal reflux disease with esophagitisHeader

Related codes

  • K21.00Gastro-esophageal reflux disease with esophagitis, without bleedingBillable

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