2026 ICD-10-CM Diagnosis Code S45Injury of blood vessels at shoulder and upper arm level

ICD-10-CM Codes›S00–T88›S40-S49›S45

ICD-10-CM S45
CMSSource: CMS FY 2026 ICD-10-CM dataset · Effective Oct 1, 2025 – Sep 30, 2026

S45 is a non-billable ICD-10-CM category code for injury of blood vessels at shoulder and upper arm level, so it cannot be submitted on claims. Use a more specific code from this category instead, such as S45.001A, S45.001D, S45.001S, and S45.002A.

Code Identity

ICD-10-CM Code
S45
Billable Status
No — Non-Billable Category
Code Describes
Injury of blood vessels at shoulder and upper arm level
Short Description
Injury of blood vessels at shoulder and upper arm level
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
CategoryS45Injury of blood vessels at shoulder and upper arm level
This CodeS45Injury of blood vessels at shoulder and upper arm level

Specific Coding for Injury of blood vessels at shoulder and upper arm levelOverview

Non-specific codes like S45 require more characters. Use one of these billable codes instead:

  • S45.0 for Injury of axillary artery

  • S45.00 for Unspecified injury of axillary artery

  • S45.01 for Laceration of axillary artery

  • S45.09 for Other specified injury of axillary artery

  • S45.1 for Injury of brachial artery

  • S45.10 for Unspecified injury of brachial artery

  • S45.11 for Laceration of brachial artery

  • S45.19 for Other specified injury of brachial artery

  • S45.2 for Injury of axillary or brachial vein

  • S45.20 for Unspecified injury of axillary or brachial vein

  • S45.21 for Laceration of axillary or brachial vein

  • S45.29 for Other specified injury of axillary or brachial vein

  • S45.3 for Injury of superficial vein at shoulder and upper arm level

  • S45.30 for Unspecified injury of superficial vein at shoulder and upper arm level

  • S45.31 for Laceration of superficial vein at shoulder and upper arm level

  • S45.39 for Other specified injury of superficial vein at shoulder and upper arm level

  • S45.8 for Injury of other specified blood vessels at shoulder and upper arm level

  • S45.80 for Unspecified injury of other specified blood vessels at shoulder and upper arm level

  • S45.81 for Laceration of other specified blood vessels at shoulder and upper arm level

  • S45.89 for Other specified injury of other specified blood vessels at shoulder and upper arm level

  • S45.9 for Injury of unspecified blood vessel at shoulder and upper arm level

  • S45.90 for Unspecified injury of unspecified blood vessel at shoulder and upper arm level

  • S45.91 for Laceration of unspecified blood vessel at shoulder and upper arm level

  • S45.99 for Other specified injury of unspecified blood vessel at shoulder and upper arm level

Coding GuidelinesGuidance

The appropriate 7th character is to be added to each code from block Injury of blood vessels at shoulder and upper arm level (S45). 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.

Code Also

  • any associated open wound S41

Type 2 Excludes

  • injury of subclavian artery S25.1
  • injury of subclavian vein S25.3

7th Character Note

  • The appropriate 7th character is to be added to each code from category S45

7th Character

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

Patient EducationClinical

Arm Injuries and Disorders

Of the 206 bones in your body, three of them are in your arm: the humerus, radius, and ulna. Your arms are also made up of muscles, joints, tendons, and other connective tissue. Injuries to any of these parts of the arm can occur during sports, a fall, or an accident.

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 S45Overview

Is S45 (Injury of blood vessels at shoulder and upper arm level) a billable code?

No. This is a category header that groups the codes for injury of blood vessels at shoulder and upper arm level, and headers cannot be submitted on claims. Claims for injury of blood vessels at shoulder and upper arm level need a more specific code from this category, such as S45.001A, S45.001D, and S45.001S.