K42.1 – Umbilical hernia with gangrene

ICD-10-CM 2027 diagnosis code · Hernia

Billable code

ICD-10-CM code K42.1

Code: K42.1 (claims format: K421)
Description: Umbilical hernia with gangrene
Billable: Yes – valid for HIPAA-covered transactions
Valid for: Dates of service October 1, 2026 – September 30, 2027 (FY2027)
Chapter: 11. Diseases of the digestive system (K00-K95)
Block: K40-K46 Hernia
Parent codes: K42

Notes for K42.1

Applicable to:

Gangrenous umbilical hernia

Notes inherited from parent codes

Instructional notes at a category or block level apply to every code below it.

K42 – Umbilical hernia

Includes:

paraumbilical hernia

Excludes1 (not coded here):

omphalocele (Q79.2)

Block K40-K46

Includes:

acquired hernia
congenital [except diaphragmatic or hiatus] hernia
recurrent hernia

Notes:

Hernia with both gangrene and obstruction is classified to hernia with gangrene.

Index terms for K42.1

Entries in the ICD-10-CM alphabetic index that lead to this code:

Related codes in K42

Frequently asked questions

What is ICD-10 code K42.1?

K42.1 is the ICD-10-CM code for umbilical hernia with gangrene, in the block K40-K46 (Hernia).

Is K42.1 a billable code?

Yes. K42.1 is a billable/specific code that can be used to indicate a diagnosis for reimbursement purposes.

What category does K42.1 belong to?

It belongs to category K42 – Umbilical hernia.

Source: CDC/NCHS ICD-10-CM FY2027 code files, tabular list and index. Reference only – code assignment must follow the official ICD-10-CM guidelines and documentation in the medical record.