S36.409A

Billable

Unspecified injury of unspecified part of small intestine, initial encounter

S36.409A is the ICD-10-CM code for Unspecified injury of unspecified part of small intestine, initial encounter. It is a billable, specific code valid for reimbursement.

Status
Billable
Chapter
S00-T88
Parent
S36.409
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 S36.409A?
S36.409A is the ICD-10-CM code for "Unspecified injury of unspecified part of small intestine, initial encounter". It falls under S00-T88 Injury, poisoning and certain other consequences of external causes.
Is S36.409A a billable code?
Yes — S36.409A is a billable, specific ICD-10-CM code valid for reimbursement.

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

Look up another ICD-10 code or condition

Powered by Eleplan

Free ICD-10 lookup is just the start. Eleplan keeps the whole care plan in one place.

Diagnoses, medications, documents, appointments, and the whole care team — organized and always in sync, with Ellie, your AI care assistant, on top of it. Free to start.