K44

ICD-10Non-billable category

Diaphragmatic hernia

Official ICD-10-CM descriptor (FY2026)

Diaphragmatic hernia

K44 is a category heading, not a billable code. CMS does not accept it on a claim; report one of the more specific codes beneath it.

Includes

  • hiatus hernia (esophageal) (sliding)
  • paraesophageal hernia

Excludes1

Not coded here. An Excludes1 code should never be reported at the same time as the code above it.

  • congenital diaphragmatic hernia (Q79.0)
  • congenital hiatus hernia (Q40.1)

More specific codes under K44

Where this code sits

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Source

ICD-10-CM FY2026. Centers for Medicare & Medicaid Services (CMS) / National Center for Health Statistics (NCHS), “2026 ICD-10-CM Code Descriptions in Tabular Order” (icd10cm_order_2026.txt). Download the original file from cms.gov. Public domain (US Government work). Descriptors, billable flags and instructional notes on this page are reproduced from that file without modification. Krasyn adds no clinical guidance.

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