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ICD-10-CM 2027

ICD-10 code for dorsal spine sprain

S23.3

Sprain of ligaments of thoracic spine

Header — needs a more specific code

From the official ICD-10-CM alphabetic index entry “Sprain (joint) (ligament) › dorsal (spine)”. Page updated September 29, 2026.

About coding dorsal spine sprain

The ICD-10-CM code for dorsal spine sprain is S23.3 (Sprain of ligaments of thoracic spine).

Within S23 (dislocation and sprain of joints and ligaments of thorax), S23.3 is specifically for sprain of ligaments of thoracic spine. Related codes cover traumatic rupture of thoracic intervertebral disc (S23.0), subluxation and dislocation of thoracic vertebra (S23.1), dislocation of other and unspecified parts of thorax (S23.2), sprain of ribs and sternum (S23.4), sprain of other specified parts of thorax (S23.8) and sprain of unspecified parts of thorax (S23.9).

Codes in this range require a 7th character: A for initial encounter, D for subsequent encounter and S for sequela. Use placeholder "X" characters to fill any empty positions before the 7th character.

It has been part of ICD-10-CM since the code set took effect on October 1, 2015 and hasn't changed since.

Common questions about dorsal spine sprain ICD-10 codes

What is the ICD-10 code for dorsal spine sprain?

S23.3 — Sprain of ligaments of thoracic spine (a header code; report a more specific subcode).

Is S23.3 billable?

No. S23.3 is a header code. Report one of its more specific subcodes instead.