2027 ICD-10-CM Diagnosis Code S36.30XDUnspecified injury of stomach, subsequent encounter

ICD-10-CM Codes›S00–T88›S30-S39›S36

ICD-10-CM S36.30XD
CMSSource: CMS FY 2027 ICD-10-CM dataset · Effective Oct 1, 2026 – Sep 30, 2027

S36.30XD is a billable ICD-10-CM diagnosis code for unspecified injury of stomach, subsequent encounter. The 7th character D marks it as a subsequent encounter code, used during routine care in the healing or recovery phase. It is valid on HIPAA claims for fiscal year 2027 (October 1, 2026 through September 30, 2027) and groups to MS-DRG 949 through 950. The code is exempt from POA reporting. Coders also document this condition as injury of stomach. In AHRQ's Clinical Classifications Software (CCSR), this diagnosis falls under Internal organ injury, subsequent encounter.

Code Identity

ICD-10-CM Code
S36.30XD
Billable Status
Yes — Valid for Submission
Code Describes
Unspecified injury of stomach, subsequent encounter
Short Description
Unspecified injury of stomach, subsequent encounter
Same as the full description in the CMS dataset.
Parent Code
Unspecified injury of stomach

Code Classification

ChapterS00–T88Injury, poisoning and certain other consequences of external causes
SectionS30-S39Injuries to the abdomen, lower back, lumbar spine, pelvis and external genitals
CategoryS36Injury of intra-abdominal organs
This CodeS36.30XDUnspecified injury of stomach, subsequent encounter

Present on Admission (POA)Billing

S36.30XD is exempt from POA reporting on inpatient claims to general acute care hospitals. Review the other POA exempt codes in Injuries to the abdomen, lower back, lumbar spine, pelvis and external genitals (S30-S39).

Approximate SynonymsGuidance

Alternate terms and clinical phrases that map to this code.

  • Injury of stomach
  • Injury of stomach with open wound into abdominal cavity
  • Injury of stomach without open wound into abdominal cavity
  • Injury of stomach without perforation following ingestion of foreign material
  • Traumatic injury to stomach during surgery

Coding GuidelinesGuidance

The appropriate 7th character is to be added to each code from block Injury of intra-abdominal organs (S36). Use the following options for the applicable episode of care:

  • A - initial encounter
  • D - subsequent encounter
  • S - sequela

Source: ICD-10-CM Official Guidelines for Coding and Reporting, FY 2027, published by CMS and the National Center for Health Statistics.

Instructional NotesGuidance

Instructions from the official ICD-10-CM Tabular List that apply to S36.30XD: its own notes plus those printed at S36, block S30-S39, and Chapter 19. A note printed at a category, block or chapter applies to every code under it.

Includes

Further defines, or gives examples of, the content of the category.

From Block S30-S39 Injuries to the abdomen, lower back, lumbar spine, pelvis and external genitals applies to 2,679 codes
  • injuries to the abdominal wall
  • injuries to the anus
  • injuries to the buttock
  • injuries to the external genitalia
  • injuries to the flank
  • injuries to the groin

Excludes2

Not included here: the excluded condition is not part of this code, but a patient may have both, so both codes may be reported.

From Block S30-S39 Injuries to the abdomen, lower back, lumbar spine, pelvis and external genitals applies to 2,679 codes
  • burns and corrosions (T20-T32)
  • effects of foreign body in anus and rectum (T18.5)
  • effects of foreign body in genitourinary tract (T19.-)
  • effects of foreign body in stomach, small intestine and colon (T18.2-T18.4)
  • frostbite (T33-T34)
  • insect bite or sting, venomous (T63.4)
From Chapter 19 (S00-T88) Injury, poisoning and certain other consequences of external causes applies to 41,187 codes

Use Additional Code

Add a second code, after this one, to fully describe the condition.

From Chapter 19 (S00-T88) Injury, poisoning and certain other consequences of external causes applies to 41,187 codes
  • code to identify any retained foreign body, if applicable (Z18.-)

Code Also

A second code may be needed to fully describe the condition; the note gives no sequencing direction.

From S36 Injury of intra-abdominal organs applies to 336 codes
  • any associated open wound (S31.-)

Notes

General instructions on how these codes are used.

From Chapter 19 (S00-T88) Injury, poisoning and certain other consequences of external causes applies to 41,187 codes
  • Use secondary code(s) from Chapter 20, External causes of morbidity, to indicate cause of injury. Codes within the T section that include the external cause do not require an additional external cause code
  • The chapter uses the S-section for coding different types of injuries related to single body regions and the T-section to cover injuries to unspecified body regions as well as poisoning and certain other consequences of external causes.

7th Character

Every code in the category takes a 7th character from the listed values, with the placeholder X filling any empty positions before it.

From S36 Injury of intra-abdominal organs applies to 336 codes
  • The appropriate 7th character is to be added to each code from category S36
  • Ainitial encounter
  • Dsubsequent encounter this code
  • Ssequela

Source: CMS ICD-10-CM Tabular List. How to read instructional notes.

Referenced in Other NotesGuidance

Instructional notes printed at other codes that name S36.30XD, its category, or a range that includes it.

Use Additional Code 1

These codes say to use an additional code from the note, and S36.30XD is one of the codes named.

  • S38.1 Crushing injury of abdomen, lower back, and pelvis
    injury to intra-abdominal organs (S36.-) names S36.-, which includes this code

Clinical ClassificationClinical

AHRQ’s CCSR groups this code into broader clinical categories.

CCSR INJ047
Internal organ injury, subsequent encounter
Default principal diagnosis: inpatient Yes · outpatient Yes

Patient EducationClinical

Stomach Disorders

Your stomach is an organ between your esophagus and small intestine. It is where digestion of protein begins. The stomach has three tasks. It stores swallowed food. It mixes the food with stomach acids. Then it sends the mixture on to the small intestine.

Read the full article at MedlinePlus

Courtesy of MedlinePlus, a service of the U.S. National Library of Medicine.

Convert S36.30XD to ICD-9-CMHistory

The closest ICD-9-CM equivalents under the General Equivalence Mappings.

ICD-9-CM
V58.89 Other specfied aftercare
Approximate The match is approximate rather than exact.

Code HistoryHistory

FY 2016AddedAdded to the ICD-10-CM code setEffective October 1, 2015, the first year of ICD-10-CM.
FY 2017–2026No changes
FY 2027CurrentCurrent code set, no changesEffective October 1, 2026 through September 30, 2027.

Questions About S36.30XDOverview

What is the ICD-10 code for unspecified injury of stomach, subsequent encounter?

The ICD-10-CM code for unspecified injury of stomach, subsequent encounter is S36.30XD (sometimes written as S3630XD). It is billable on HIPAA-covered claims from October 1, 2026 through September 30, 2027.

Is S36.30XD (Unspecified injury of stomach) a billable code?

Yes. This is a billable ICD-10-CM code, specific enough to report unspecified injury of stomach, subsequent encounter on HIPAA-covered claims from October 1, 2026 through September 30, 2027.

What does the 7th character D in S36.30XD mean?

The final character D marks a subsequent encounter: use it for routine care while the unspecified injury of stomach is healing, after active treatment has ended.

What MS-DRG does S36.30XD group to?

When unspecified injury of stomach, subsequent encounter is the principal diagnosis on an inpatient stay, it groups to MS-DRG 950, 949, with relative weights from 0.7661 to 1.1231 depending on complications. Higher weights mean higher Medicare reimbursement.

Is S36.30XD exempt from POA reporting?

Yes. CMS lists this code among those exempt from present on admission reporting, so hospitals do not assign a POA indicator for unspecified injury of stomach, subsequent encounter on inpatient claims. The code appears in the Injuries to the abdomen, lower back, lumbar spine, pelvis and external genitals (S30-S39) range of the CMS exempt list.