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K42Non-billableSave

K42 - Umbilical hernia

ICD-10-CM Chapter 11: Diseases of the digestive system · K40-K46 Hernia (K40-K46) · Top-level category · FY2027

Coding Guidance

K42 is a non-billable heading. Report one of the 3 more specific codes below.

Includes, Excludes and Coding Notes

IncludesFrom K42

Conditions this code covers.

  • paraumbilical hernia
Excludes 1 — Not Coded HereFrom K42

Mutually exclusive: these conditions are never reported together with this code.

  • omphalocele (Q79.2)
IncludesFrom K40-K46 Hernia (K40-K46)

Conditions this code covers.

  • acquired hernia
  • congenital [except diaphragmatic or hiatus] hernia
  • recurrent hernia
NotesFrom K40-K46 Hernia (K40-K46)

Instructional notes from the ICD-10-CM tabular list.

  • Hernia with both gangrene and obstruction is classified to hernia with gangrene.
Excludes 2 — Not Included HereFrom Chapter K00-K95

Not part of this code; report both codes when the patient has both conditions.

  • 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)

More Specific Codes (3)

K42.0Umbilical hernia with obstruction, without gangrene→K42.1Umbilical hernia with gangrene→K42.9Umbilical hernia without obstruction or gangrene→

Related condition guides

Documentation requirements, coding pitfalls and FAQs for conditions coded with K42.