S14.3 – Injury of brachial plexus

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

Non-billable header

ICD-10-CM code S14.3

Code: S14.3 (claims format: S143)
Description: Injury of brachial plexus
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: S10-S19 Injuries to the neck
Parent codes: S14

Billable codes under S14.3

S14.3 is a header code and cannot be used on claims. Choose the most specific code:

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 inherited from parent codes

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

S14 – Injury of nerves and spinal cord at neck level

Code also:

any associated:
fracture of cervical vertebra (S12.0--S12.6.-)
open wound of neck (S11.-)
transient paralysis (R29.5)

Notes:

Code to highest level of cervical cord injury

7th character note:

The appropriate 7th character is to be added to each code from category S14

Block S10-S19

Includes:

injuries of nape
injuries of supraclavicular region
injuries of throat

Excludes2 (not included here):

burns and corrosions (T20-T32)
effects of foreign body in esophagus (T18.1)
effects of foreign body in larynx (T17.3)
effects of foreign body in pharynx (T17.2)
effects of foreign body in trachea (T17.4)
frostbite (T33-T34)
insect bite or sting, venomous (T63.4)

Index terms for S14.3

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

Injury, brachial plexus

Related codes in S14

Frequently asked questions

What is ICD-10 code S14.3?

S14.3 is the ICD-10-CM code for injury of brachial plexus, in the block S10-S19 (Injuries to the neck).

Is S14.3 a billable code?

No. S14.3 is a header code with more specific child codes; report one of the billable codes listed above.

What category does S14.3 belong to?

It belongs to category S14 – Injury of nerves and spinal cord at neck level.

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.