S36.4 — Injury of small intestine
Is S36.4 billable?
No — S36.4 is a non-billable header code. S36.4 groups more specific codes and cannot be submitted on a claim. A valid ICD-10-CM code must be reported at the highest level of specificity available in its branch. Select one of the 45 billable codes beneath S36.4.
Billable codes under this header
- S36.400AUnspecified injury of duodenum, initial encounter
- S36.400DUnspecified injury of duodenum, subsequent encounter
- S36.400SUnspecified injury of duodenum, sequela
- S36.408AUnspecified injury of other part of small intestine, initial encounter
- S36.408DUnspecified injury of other part of small intestine, subsequent encounter
- S36.408SUnspecified injury of other part of small intestine, sequela
- S36.409AUnspecified injury of unspecified part of small intestine, initial encounter
- S36.409DUnspecified injury of unspecified part of small intestine, subsequent encounter
- S36.409SUnspecified injury of unspecified part of small intestine, sequela
- S36.410APrimary blast injury of duodenum, initial encounter
- S36.410DPrimary blast injury of duodenum, subsequent encounter
- S36.410SPrimary blast injury of duodenum, sequela
- S36.418APrimary blast injury of other part of small intestine, initial encounter
- S36.418DPrimary blast injury of other part of small intestine, subsequent encounter
- S36.418SPrimary blast injury of other part of small intestine, sequela
- S36.419APrimary blast injury of unspecified part of small intestine, initial encounter
- S36.419DPrimary blast injury of unspecified part of small intestine, subsequent encounter
- S36.419SPrimary blast injury of unspecified part of small intestine, sequela
- S36.420AContusion of duodenum, initial encounter
- S36.420DContusion of duodenum, subsequent encounter
- S36.420SContusion of duodenum, sequela
- S36.428AContusion of other part of small intestine, initial encounter
- S36.428DContusion of other part of small intestine, subsequent encounter
- S36.428SContusion of other part of small intestine, sequela
- S36.429AContusion of unspecified part of small intestine, initial encounter
- S36.429DContusion of unspecified part of small intestine, subsequent encounter
- S36.429SContusion of unspecified part of small intestine, sequela
- S36.430ALaceration of duodenum, initial encounter
- S36.430DLaceration of duodenum, subsequent encounter
- S36.430SLaceration of duodenum, sequela
- S36.438ALaceration of other part of small intestine, initial encounter
- S36.438DLaceration of other part of small intestine, subsequent encounter
- S36.438SLaceration of other part of small intestine, sequela
- S36.439ALaceration of unspecified part of small intestine, initial encounter
- S36.439DLaceration of unspecified part of small intestine, subsequent encounter
- S36.439SLaceration of unspecified part of small intestine, sequela
- S36.490AOther injury of duodenum, initial encounter
- S36.490DOther injury of duodenum, subsequent encounter
- S36.490SOther injury of duodenum, sequela
- S36.498AOther injury of other part of small intestine, initial encounter
- S36.498DOther injury of other part of small intestine, subsequent encounter
- S36.498SOther injury of other part of small intestine, sequela
- S36.499AOther injury of unspecified part of small intestine, initial encounter
- S36.499DOther injury of unspecified part of small intestine, subsequent encounter
- S36.499SOther injury of unspecified part of small intestine, sequela
S36.4 at a glance
| Code | S36.4 |
|---|---|
| Description | Injury of small intestine |
| Billable | No — header code |
| Code set | ICD-10-CM FY2027 |
| Valid for encounters | October 1, 2026 – September 30, 2027 |
Use additional code — inherited from Chapter 19
Report an additional code alongside S36.4 to fully describe the condition. S36.4 is sequenced first.
- code to identify any retained foreign body, if applicable (Z18.-)
Excludes2 — not included here — inherited from Chapter 19
The conditions below are not part of S36.4, but a patient may have both at the same time. When documentation supports it, S36.4 and the excluded code may both be reported.
Excludes2 — not included here — inherited from S30-S39
The conditions below are not part of S36.4, but a patient may have both at the same time. When documentation supports it, S36.4 and the excluded code may both be reported.
Code also — inherited from S36
Two codes may be needed to describe the condition fully. Whether S36.4 is sequenced first depends on the reason for the encounter.
- any associated open wound (S31.-)
What codes fall under S36.4? (5)
How long has S36.4 existed?
S36.4 has been in ICD-10-CM since at least FY2016, the earliest fiscal year on record here.
Derived from the official order files for FY2016–FY2026. FY2017 and FY2020 publish no order file, so those years are not covered.
What other codes are in the S36 family? (8)
- S36.0Injury of spleennot billable
- S36.1Injury of liver and gallbladder and bile ductnot billable
- S36.2Injury of pancreasnot billable
- S36.3Injury of stomachnot billable
- S36.5Injury of colonnot billable
- S36.6Injury of rectumnot billable
- S36.8Injury of other intra-abdominal organsnot billable
- S36.9Injury of unspecified intra-abdominal organnot billable