2026 ICD-10-CM Diagnosis Code S40.019SContusion of unspecified shoulder, sequela
S40.019S is a billable ICD-10-CM diagnosis code for contusion of unspecified shoulder, sequela. The 7th character S marks it as a sequela code, which reports a problem that remains after the original condition has resolved. It is valid on HIPAA claims for fiscal year 2026 (October 1, 2025 through September 30, 2026) and groups to MS-DRG 604 through 605. The code is exempt from POA reporting. In AHRQ's Clinical Classifications Software (CCSR), this diagnosis falls under Injury, sequela.
Code Identity
Code Classification
Present on Admission (POA)Billing
S40.019S is exempt from POA reporting on inpatient claims to general acute care hospitals. Review the other POA exempt codes in Injuries to the shoulder and upper arm (S40-S49).
Approximate SynonymsGuidance
Alternate terms and clinical phrases that map to this code.
- Contusion of clavicular area
- Contusion of latissimus dorsi muscle
- Contusion of multiple sites
- Contusion of multiple sites of shoulder
- Contusion of multiple sites of upper limb
- Contusion of scapular region
- Contusion of shoulder region
- Contusion, shoulder and upper arm, multiple sites
- Hematoma of shoulder region
- Intramuscular contusion
Coding GuidelinesGuidance
The appropriate 7th character is to be added to each code from block Superficial injury of shoulder and upper arm (S40). 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 2026, published by CMS and the National Center for Health Statistics.
Clinical ClassificationClinical
AHRQ’s CCSR groups this code into broader clinical categories.
Patient EducationClinical
Bruises
A bruise is a mark on your skin caused by blood trapped under the surface. It happens when an injury crushes small blood vessels but does not break the skin. Those vessels break open and leak blood under the skin.
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Convert S40.019S to ICD-9-CMHistory
The closest ICD-9-CM equivalents under the General Equivalence Mappings.
Code HistoryHistory
Questions About S40.019SOverview
What is the ICD-10 code for contusion of unspecified shoulder, sequela?
The ICD-10-CM code for contusion of unspecified shoulder, sequela is S40.019S (sometimes written as S40019S). It is billable on HIPAA-covered claims from October 1, 2025 through September 30, 2026.
Is S40.019S (Contusion of unspecified shoulder) a billable code?
Yes. This is a billable ICD-10-CM code, specific enough to report contusion of unspecified shoulder, sequela on HIPAA-covered claims from October 1, 2025 through September 30, 2026.
What does the 7th character S in S40.019S mean?
The final character S makes this a sequela code: it reports a lingering problem that remains after the contusion of unspecified shoulder itself has resolved, not the original event.
What MS-DRG does S40.019S group to?
When contusion of unspecified shoulder, sequela is the principal diagnosis on an inpatient stay, it groups to MS-DRG 604, 605, with relative weights from 0.9160 to 1.4721 depending on complications. Higher weights mean higher Medicare reimbursement.
Is S40.019S 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 contusion of unspecified shoulder, sequela on inpatient claims. The code appears in the Injuries to the shoulder and upper arm (S40-S49) range of the CMS exempt list.
