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ICD-10 K21 - Gastro-esophageal reflux disease
Chapter 11 Section K20-K31

K21

ICD-10 Not billable

Gastro-esophageal reflux disease

Specifically for this code:
  • newborn esophageal reflux (P78.83)
From Section K20-K31:
  • hiatus hernia (K44.-)
From Chapter 11:
  • 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)
K21 is a "category code," which means it's non-billable. Billable codes require more specificity. Use the list below to navigate to codes that are more specific:
10
K21.0
Gastro-esophageal reflux disease with esophagitis
Billable
10
K21.9
Gastro-esophageal reflux disease without esophagitis
Billable
      
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