S24.139A Anterior cord syndrome at unspecified level of thoracic spinal cord, initial encounter

Billable ICD-10-CM code, FY2026.

Built from S24.139 with 7th character A (initial 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 S24.139A

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 S24.139A

• Injury › spinal (cord) › thoracic › anterior cord syndrome

Nearby codes

• S24.134 Anterior cord syndrome at T11-T12 level of thoracic spinal cord
• S24.134A Anterior cord syndrome at T11-T12 level of thoracic spinal cord, initial encounter
• S24.134D Anterior cord syndrome at T11-T12 level of thoracic spinal cord, subsequent encounter
• S24.134S Anterior cord syndrome at T11-T12 level of thoracic spinal cord, sequela
• S24.139 Anterior cord syndrome at unspecified level of thoracic spinal cord
• S24.139A Anterior cord syndrome at unspecified level of thoracic spinal cord, initial encounter (this code)
• S24.139D Anterior cord syndrome at unspecified level of thoracic spinal cord, subsequent encounter
• S24.139S Anterior cord syndrome at unspecified level of thoracic spinal cord, sequela
• S24.14 Brown-Sequard syndrome of thoracic spinal cord
• S24.141 Brown-Sequard syndrome at T1 level of thoracic spinal cord
• S24.141A Brown-Sequard syndrome at T1 level of thoracic spinal cord, initial encounter