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K44

Non-billable

Diaphragmatic hernia

K44 is the ICD-10-CM code for Diaphragmatic hernia. It is a non-billable category code — use a more specific child code such as K44.0 for billing.

Status
Header (non-billable)
Chapter
K00-K95
Subcodes
3
Edition
FY2026

K00-K95 Diseases of the digestive system

What this means — in plain language

MedlinePlus · NIH

A hernia happens when part of an internal organ or tissue bulges through a weak area of muscle. Most hernias are in the abdomen. There are several types of hernias, including: Inguinal, in the groin. This is the the most common type. Umbilical, around the belly button Incisional, through a scar Hiatal , a small opening in the diaphragm that allows the upper part of the stomach to move up into the chest. Congenital…

Read more about Hernia at MedlinePlus ↗

Source: U.S. National Library of Medicine (MedlinePlus). Informational only — not medical advice.

Includes

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

Excludes1 — not coded here

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

Frequently asked questions

What is ICD-10 code K44?
K44 is the ICD-10-CM code for "Diaphragmatic hernia". It falls under K00-K95 Diseases of the digestive system.
Is K44 a billable code?
No — K44 is a non-billable header code. Use a more specific child code (such as K44.0) for billing.
What are the subcodes of K44?
K44 has 3 more specific child codes, including K44.0, K44.1, K44.9.
What is excluded from K44?
Excludes1 (not coded here): congenital diaphragmatic hernia (Q79.0); congenital hiatus hernia (Q40.1).

Source: CMS ICD-10-CM FY2026. For informational purposes only — not medical advice. See our medical disclaimer.

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