S24.109 – Unspecified injury at unspecified level of thoracic spinal cord

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

Non-billable header

ICD-10-CM code S24.109

Code: S24.109 (claims format: S24109)
Description: Unspecified injury at unspecified level of thoracic spinal cord
Short description: Unsp injury at unspecified level of thoracic spinal cord
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: S24 › S24.1 › S24.10

Billable codes under S24.109

S24.109 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.

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

Notes for S24.109

Applicable to:

Injury of thoracic spinal cord NOS

Notes inherited from parent codes

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

S24 – Injury of nerves and spinal cord at thorax level

Excludes2 (not included here):

injury of brachial plexus (S14.3)

Code also:

any associated:
fracture of thoracic vertebra (S22.0-)
open wound of thorax (S21.-)
transient paralysis (R29.5)

Notes:

Code to highest level of thoracic spinal cord injury
Injuries to the spinal cord (S24.0 and S24.1) refer to the cord level and not bone level injury, and can affect nerve roots at and below the level given.

7th character note:

The appropriate 7th character is to be added to each code from category S24

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 S24.109

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

Injury, spinal, thoracic

Related codes in S24.10

Frequently asked questions

What is ICD-10 code S24.109?

S24.109 is the ICD-10-CM code for unspecified injury at unspecified level of thoracic spinal cord, in the block S20-S29 (Injuries to the thorax).

Is S24.109 a billable code?

No. S24.109 is a header code with more specific child codes; report one of the billable codes listed above.

What category does S24.109 belong to?

It belongs to category S24 – Injury of nerves and spinal cord at thorax 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.