S15.121A Major laceration of right vertebral artery, initial encounter

Billable ICD-10-CM code, FY2026.

Built from S15.121 with 7th character A (initial encounter).

Applies from S15 Injury of blood vessels at neck level

Code also

• any associated open wound (S11.-)

7th character note

• The appropriate 7th character is to be added to each code from category S15

7th character required

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

Applies from S15.12 Major laceration of vertebral artery

Applicable to

• Complete transection of vertebral artery
• Traumatic rupture of vertebral artery

Code annotations containing back-references to S15.121A

Back-references to S15

• Type 1 Excludes: S09.0 Injury of blood vessels of head, not elsewhere classified ("injury of precerebral blood vessels (S15.-)")
• Use Additional: S17 Crushing injury of neck ("injury of blood vessels (S15.-)")
• Type 2 Excludes: S27 Injury of other and unspecified intrathoracic organs ("injury of cervical esophagus (S10-S19)")
• Type 2 Excludes: S27 Injury of other and unspecified intrathoracic organs ("injury of trachea (cervical) (S10-S19)")

Nearby codes

• S15.119A Minor laceration of unspecified vertebral artery, initial encounter
• S15.119D Minor laceration of unspecified vertebral artery, subsequent encounter
• S15.119S Minor laceration of unspecified vertebral artery, sequela
• S15.12 Major laceration of vertebral artery
• S15.121 Major laceration of right vertebral artery
• S15.121A Major laceration of right vertebral artery, initial encounter (this code)
• S15.121D Major laceration of right vertebral artery, subsequent encounter
• S15.121S Major laceration of right vertebral artery, sequela
• S15.122 Major laceration of left vertebral artery
• S15.122A Major laceration of left vertebral artery, initial encounter
• S15.122D Major laceration of left vertebral artery, subsequent encounter