ICD-10-CM 2027
ICD-10 code for Omphalocele
From the official ICD-10-CM alphabetic index entry “Omphalocele”. Page updated September 29, 2026.
About coding Omphalocele
The ICD-10-CM code for Omphalocele is Q79.2 (Exomphalos).
Within Q79 (congenital malformations of musculoskeletal system, not elsewhere classified), Q79.2 is specifically for Exomphalos. Related codes cover congenital diaphragmatic hernia (Q79.0), other congenital malformations of diaphragm (Q79.1), gastroschisis (Q79.3), prune belly syndrome (Q79.4), other congenital malformations of abdominal wall (Q79.5), Ehlers-Danlos syndromes (Q79.6), other congenital malformations of musculoskeletal system (Q79.8) and congenital malformation of musculoskeletal system, unspecified (Q79.9).
Don't report Q79.2 together with the conditions in its Excludes1 note: umbilical hernia (K42.-).
As a secondary diagnosis it is an MCC (major complication or comorbidity), which can move an inpatient stay into the highest-paying "with MCC" MS-DRG of its family, unless the principal diagnosis excludes it.
Don't confuse with (Excludes1 for Q79.2)
- umbilical hernia (K42.-)
Common questions about Omphalocele ICD-10 codes
What is the ICD-10 code for Omphalocele?
- Q79.2 — Exomphalos.
Is Q79.2 billable?
- Yes. Q79.2 is a billable/specific ICD-10-CM code valid for FY2027 (October 1, 2026 – September 30, 2027).
Can Q79.2 be used as a principal diagnosis?
- Yes. The Medicare Code Editor doesn't restrict Q79.2 as a principal diagnosis.
Is Q79.2 a CC or MCC?
- Q79.2 is an MCC (major complication or comorbidity) under MS-DRG v44.0, unless excluded by the principal diagnosis.