S24.149D Brown-Séquard syndrome at unspecified level of thoracic spinal cord, subsequent encounter

Billable ICD-10-CM code, FY2026.

Built from S24.149 with 7th character D (subsequent encounter).

Applies from 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)

7th character note

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

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 required

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

Risk adjustment (HCC)

• CMS-HCC V28: HCC 182 — Spinal Cord Disorders/Injuries
• CMS-HCC V22: HCC 72 — Spinal Cord Disorders/Injuries
• ESRD V24: HCC 72

Code annotations containing back-references to S24.149D

Back-references to S24.1

• Code First: R29.5 Transient paralysis ("any associated spinal cord injury (S14.0, S14.1-, S24.0, S24.1-, S34.0-, S34.1-)")
• Code Also: S21 Open wound of thorax ("spinal cord injury (S24.0-, S24.1-)")
• Code Also: S22 Fracture of rib(s), sternum and thoracic spine ("spinal cord injury (S24.0-, S24.1-)")
• Code Also: S23.1 Subluxation and dislocation of thoracic vertebra ("spinal cord injury (S24.0-, S24.1-)")
• Code Also: S31 Open wound of abdomen, lower back, pelvis and external genitals ("spinal cord injury (S24.0, S24.1-, S34.0-, S34.1-)")
• Code Also: S33.1 Subluxation and dislocation of lumbar vertebra ("spinal cord injury (S24.0, S24.1-, S34.0-, S34.1-)")

Back-references to S24

• Type 1 Excludes: G83.8 Other specified paralytic syndromes ("paralytic syndromes due to current spinal cord injury-code to spinal cord injury (S14, S24, S34)")

Diagnosis Index entries for S24.149D

• Injury › spinal (cord) › thoracic › Brown-Séquard syndrome

Nearby codes

• S24.144A Brown-Sequard syndrome at T11-T12 level of thoracic spinal cord, initial encounter
• S24.144D Brown-Sequard syndrome at T11-T12 level of thoracic spinal cord, subsequent encounter
• S24.144S Brown-Sequard syndrome at T11-T12 level of thoracic spinal cord, sequela
• S24.149 Brown-Sequard syndrome at unspecified level of thoracic spinal cord
• S24.149A Brown-Sequard syndrome at unspecified level of thoracic spinal cord, initial encounter
• S24.149D Brown-Sequard syndrome at unspecified level of thoracic spinal cord, subsequent encounter (this code)
• S24.149S Brown-Sequard syndrome at unspecified level of thoracic spinal cord, sequela
• S24.15 Other incomplete lesions of thoracic spinal cord
• S24.151 Other incomplete lesion at T1 level of thoracic spinal cord
• S24.151A Other incomplete lesion at T1 level of thoracic spinal cord, initial encounter
• S24.151D Other incomplete lesion at T1 level of thoracic spinal cord, subsequent encounter