S36.4

Non-billable

Injury of small intestine

S36.4 is the ICD-10-CM code for Injury of small intestine. It is a non-billable category code — use a more specific child code such as S36.40 for billing.

Status
Header (non-billable)
Chapter
S00-T88
Parent
S36
Subcodes
5
Edition
FY2026

S00-T88 Injury, poisoning and certain other consequences of external causes

What this means — in plain language

MedlinePlus · NIH

Your small intestine is the longest part of your digestive system - about twenty feet long! It connects your stomach to your large intestine (or colon) and folds many times to fit inside your abdomen. Your small intestine does most of the digesting of the foods you eat. It has three areas called the duodenum, the ileum, and the jejunum. Problems with the small intestine can include: Bleeding Celiac disease Crohn's…

Read more about Small Intestine Disorders at MedlinePlus ↗

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

No additional coding notes for this code.

Frequently asked questions

What is ICD-10 code S36.4?
S36.4 is the ICD-10-CM code for "Injury of small intestine". It falls under S00-T88 Injury, poisoning and certain other consequences of external causes.
Is S36.4 a billable code?
No — S36.4 is a non-billable header code. Use a more specific child code (such as S36.40) for billing.
What are the subcodes of S36.4?
S36.4 has 5 more specific child codes, including S36.40, S36.41, S36.42.

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

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