2026 ICD-10-CM Diagnosis Code S40Superficial injury of shoulder and upper arm

ICD-10-CM Codes›S00–T88›S40-S49›S40

ICD-10-CM S40
CMSSource: CMS FY 2026 ICD-10-CM dataset · Effective Oct 1, 2025 – Sep 30, 2026

S40 is a non-billable ICD-10-CM category code for superficial injury of shoulder and upper arm, so it cannot be submitted on claims. Use a more specific code from this category instead, such as S40.011A, S40.011D, S40.011S, and S40.012A.

Code Identity

ICD-10-CM Code
S40
Billable Status
No — Non-Billable Category
Code Describes
Superficial injury of shoulder and upper arm
Short Description
Superficial injury of shoulder and upper arm
Same as the full description in the CMS dataset.
Chapter
S40-S49
Injuries to the shoulder and upper arm

Code Classification

ChapterS00–T88Injury, poisoning and certain other consequences of external causes
SectionS40-S49Injuries to the shoulder and upper arm
CategoryS40Superficial injury of shoulder and upper arm
This CodeS40Superficial injury of shoulder and upper arm

Specific Coding for Superficial injury of shoulder and upper armOverview

Non-specific codes like S40 require more characters. Use one of these billable codes instead:

  • S40.0 for Contusion of shoulder and upper arm

  • S40.01 for Contusion of shoulder

  • S40.02 for Contusion of upper arm

  • S40.2 for Other superficial injuries of shoulder

  • S40.21 for Abrasion of shoulder

  • S40.22 for Blister (nonthermal) of shoulder

  • S40.24 for External constriction of shoulder

  • S40.25 for Superficial foreign body of shoulder

  • S40.26 for Insect bite (nonvenomous) of shoulder

  • S40.27 for Other superficial bite of shoulder

  • S40.8 for Other superficial injuries of upper arm

  • S40.81 for Abrasion of upper arm

  • S40.82 for Blister (nonthermal) of upper arm

  • S40.84 for External constriction of upper arm

  • S40.85 for Superficial foreign body of upper arm

  • S40.86 for Insect bite (nonvenomous) of upper arm

  • S40.87 for Other superficial bite of upper arm

  • S40.9 for Unspecified superficial injury of shoulder and upper arm

  • S40.91 for Unspecified superficial injury of shoulder

  • S40.92 for Unspecified superficial injury of upper arm

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.

Tabular List NotesGuidance

Coding notes and annotation back-references applicable to this code.

7th Character Note

  • The appropriate 7th character is to be added to each code from category S40

7th Character

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

Patient EducationClinical

Wounds and Injuries

An injury is damage to your body. It is a general term that refers to harm caused by accidents, falls, hits, weapons, and more. In the U.S., millions of people injure themselves every year. These injuries range from minor to life-threatening.

Read the full article at MedlinePlus

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

Code HistoryHistory

FY 2016AddedAdded to the ICD-10-CM code setEffective October 1, 2015, the first year of ICD-10-CM.
FY 2017–2025No changes
FY 2026CurrentCurrent code set, no changesEffective October 1, 2025 through September 30, 2026.

Questions About S40Overview

Is S40 (Superficial injury of shoulder and upper arm) a billable code?

No. This is a category header that groups the codes for superficial injury of shoulder and upper arm, and headers cannot be submitted on claims. Claims for superficial injury of shoulder and upper arm need a more specific code from this category, such as S40.011A, S40.011D, and S40.011S.