K40-K46

Hernia

Block coding notes

Excludes 1 never together · Excludes 2 may co-exist

Includes

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

Note

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

Codes in this block

64 codes

Billableusable codeNon-billableheader / grouping codeRisk-adjusting

Official Guidelines for K40-K46

FY 2026 ›