S25.31 – Minor laceration of innominate or subclavian vein

ICD-10-CM 2027 diagnosis code · Injuries to the thorax

Non-billable header

ICD-10-CM code S25.31

Code: S25.31 (claims format: S2531)
Description: Minor laceration of innominate or subclavian vein
Billable: No – use a more specific code below
Valid for: Dates of service October 1, 2026 – September 30, 2027 (FY2027)
Chapter: 19. Injury, poisoning and certain other consequences of external causes (S00-T88)
Block: S20-S29 Injuries to the thorax
Parent codes: S25 › S25.3

Billable codes under S25.31

S25.31 is a header code and cannot be used on claims. Choose the most specific code:

S25.311 – Minor laceration of right innominate or subclavian veinHeader (more codes below)
S25.312 – Minor laceration of left innominate or subclavian veinHeader (more codes below)
S25.319 – Minor laceration of unspecified innominate or subclavian veinHeader (more codes below)

7th character values

Codes in this category need a 7th character to describe the encounter or episode of care (use placeholder X for empty positions).

Character	Meaning
`A`	initial encounter
`D`	subsequent encounter
`S`	sequela

Notes for S25.31

Applicable to:

Incomplete transection of innominate or subclavian vein
Laceration of innominate or subclavian vein NOS
Superficial laceration of innominate or subclavian vein

Notes inherited from parent codes

Instructional notes at a category or block level apply to every code below it.

S25 – Injury of blood vessels of thorax

Code also:

any associated open wound (S21.-)

7th character note:

The appropriate 7th character is to be added to each code from category S25

Block S20-S29

Includes:

injuries of breast
injuries of chest (wall)
injuries of interscapular area

Excludes2 (not included here):

burns and corrosions (T20-T32)
effects of foreign body in bronchus (T17.5)
effects of foreign body in esophagus (T18.1)
effects of foreign body in lung (T17.8)
effects of foreign body in trachea (T17.4)
frostbite (T33-T34)
injuries of axilla
injuries of clavicle
injuries of scapular region
injuries of shoulder
insect bite or sting, venomous (T63.4)

Index terms for S25.31

Entries in the ICD-10-CM alphabetic index that lead to this code:

Injury, blood vessel NEC, thoracic, innominate, vein, laceration

Related codes in S25.3

Frequently asked questions

What is ICD-10 code S25.31?

S25.31 is the ICD-10-CM code for minor laceration of innominate or subclavian vein, in the block S20-S29 (Injuries to the thorax).

Is S25.31 a billable code?

No. S25.31 is a header code with more specific child codes; report one of the billable codes listed above.

What category does S25.31 belong to?

It belongs to category S25 – Injury of blood vessels of thorax.

Source: CDC/NCHS ICD-10-CM FY2027 code files, tabular list and index. Reference only – code assignment must follow the official ICD-10-CM guidelines and documentation in the medical record.