S45.101A Unspecified injury of brachial artery, right side, initial encounter

Billable ICD-10-CM code, FY2026.

Built from S45.101 with 7th character A (initial encounter).

Applies from S45 Injury of blood vessels at shoulder and upper arm level

Excludes2 (not included here)

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

Code also

• any associated open wound (S41.-)

7th character note

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

7th character required

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

Code annotations containing back-references to S45.101A

Back-references to S45.1

• Type 2 Excludes: S55 Injury of blood vessels at forearm level ("injury of brachial vessels (S45.1-S45.2)")

Nearby codes

• S45.099D Other specified injury of axillary artery, unspecified side, subsequent encounter
• S45.099S Other specified injury of axillary artery, unspecified side, sequela
• S45.1 Injury of brachial artery
• S45.10 Unspecified injury of brachial artery
• S45.101 Unspecified injury of brachial artery, right side
• S45.101A Unspecified injury of brachial artery, right side, initial encounter (this code)
• S45.101D Unspecified injury of brachial artery, right side, subsequent encounter
• S45.101S Unspecified injury of brachial artery, right side, sequela
• S45.102 Unspecified injury of brachial artery, left side
• S45.102A Unspecified injury of brachial artery, left side, initial encounter
• S45.102D Unspecified injury of brachial artery, left side, subsequent encounter