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ICD-10-CM 2027

ICD-10 code for duodenum contusion

S36.420

Contusion of duodenum

Header — needs a more specific code

From the official ICD-10-CM alphabetic index entry “Contusion (skin surface intact) › duodenum”. Page updated September 29, 2026.

About coding duodenum contusion

The ICD-10-CM code for duodenum contusion is S36.420 (Contusion of duodenum).

Within S36.42 (contusion of small intestine), S36.420 is specifically for contusion of duodenum. Related codes cover other part of small intestine (S36.428) and unspecified part of small intestine (S36.429).

Codes in this range require a 7th character: A for initial encounter, D for subsequent encounter and S for sequela. Use placeholder "X" characters to fill any empty positions before the 7th character.

It has been part of ICD-10-CM since the code set took effect on October 1, 2015 and hasn't changed since.

Common questions about duodenum contusion ICD-10 codes

What is the ICD-10 code for duodenum contusion?

S36.420 — Contusion of duodenum (a header code; report a more specific subcode).

Is S36.420 billable?

No. S36.420 is a header code. Report one of its more specific subcodes instead.