Injury of nerves and spinal cord at thorax level
In Injuries to the thorax (S20-S29), chapter 19: Injury, Poisoning and Certain Other Consequences of External Causes
93 billable codes under S24: 21 are an MCC; 57 map to HCC 182 (Spinal Cord Disorders/Injuries), HCC 181 (Paraplegia).A CC or MCC (major CC) is a secondary diagnosis that raises the MS-DRG payment. An HCC counts toward a Medicare Advantage patient's risk score.
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Instructional notes
Also applies, from Injuries to the thorax (S20-S29)
These notes sit on S20-S29 and apply to every code under it, including S24.
Includes: conditions that are coded here
- injuries of breast
- injuries of chest (wall)
- injuries of interscapular area
Excludes2: not included here, code separately if applicable
- 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)
Official coding guidelines
From the ICD-10-CM Official Guidelines for Coding and Reporting, FY 2027 (CMS and NCHS). Links open the PDF at the right page.
Covers 7th character use and coding of injuries, fractures, burns, drug and toxic effects, abuse and neglect, and complications of care (S00-T88).
- Application of 7th Characters in Chapter 19 (page 77)
- Coding of Injuries (page 78)
- Coding of Traumatic Fractures (page 79)
- Coding of Burns and Corrosions (page 80)
- Adverse Effects, Poisoning, Underdosing and Toxic Effects (page 82)
- Adult and child abuse, neglect and other maltreatment (page 85)
- Complications of care (page 85)
All codes under S24
S24 can't be used on a claim. Pick a billable code below; grey headings group them.
- S24.0Concussion and edema of thoracic spinal cord
- S24.0XXAConcussion and edema of thoracic spinal cord, initial encounter
- S24.0XXDConcussion and edema of thoracic spinal cord, subsequent encounter
- S24.0XXSConcussion and edema of thoracic spinal cord, sequela
- S24.1Other and unspecified injuries of thoracic spinal cord
- S24.10Unspecified injury of thoracic spinal cord
- S24.101Unspecified injury at T1 level of thoracic spinal cord
- S24.101AUnspecified injury at T1 level of thoracic spinal cord, initial encounter
- S24.101DUnspecified injury at T1 level of thoracic spinal cord, subsequent encounter
- S24.101SUnspecified injury at T1 level of thoracic spinal cord, sequela
- S24.102Unspecified injury at T2-T6 level of thoracic spinal cord
- S24.102AUnspecified injury at T2-T6 level of thoracic spinal cord, initial encounter
- S24.102DUnspecified injury at T2-T6 level of thoracic spinal cord, subsequent encounter
- S24.102SUnspecified injury at T2-T6 level of thoracic spinal cord, sequela
- S24.103Unspecified injury at T7-T10 level of thoracic spinal cord
- S24.103AUnspecified injury at T7-T10 level of thoracic spinal cord, initial encounter
- S24.103DUnspecified injury at T7-T10 level of thoracic spinal cord, subsequent encounter
- S24.103SUnspecified injury at T7-T10 level of thoracic spinal cord, sequela
- S24.104Unspecified injury at T11-T12 level of thoracic spinal cord
- S24.104AUnspecified injury at T11-T12 level of thoracic spinal cord, initial encounter
- S24.104DUnspecified injury at T11-T12 level of thoracic spinal cord, subsequent encounter
- S24.104SUnspecified injury at T11-T12 level of thoracic spinal cord, sequela
- S24.109Unspecified injury at unspecified level of thoracic spinal cord
- S24.109AUnspecified injury at unspecified level of thoracic spinal cord, initial encounter
- S24.109DUnspecified injury at unspecified level of thoracic spinal cord, subsequent encounter
- S24.109SUnspecified injury at unspecified level of thoracic spinal cord, sequela
- S24.11Complete lesion of thoracic spinal cord
- S24.111Complete lesion at T1 level of thoracic spinal cord
- S24.111AComplete lesion at T1 level of thoracic spinal cord, initial encounter
- S24.111DComplete lesion at T1 level of thoracic spinal cord, subsequent encounter
- S24.111SComplete lesion at T1 level of thoracic spinal cord, sequela
- S24.112Complete lesion at T2-T6 level of thoracic spinal cord
- S24.112AComplete lesion at T2-T6 level of thoracic spinal cord, initial encounter
- S24.112DComplete lesion at T2-T6 level of thoracic spinal cord, subsequent encounter
- S24.112SComplete lesion at T2-T6 level of thoracic spinal cord, sequela
- S24.113Complete lesion at T7-T10 level of thoracic spinal cord
- S24.113AComplete lesion at T7-T10 level of thoracic spinal cord, initial encounter
- S24.113DComplete lesion at T7-T10 level of thoracic spinal cord, subsequent encounter
- S24.113SComplete lesion at T7-T10 level of thoracic spinal cord, sequela
- S24.114Complete lesion at T11-T12 level of thoracic spinal cord
- S24.114AComplete lesion at T11-T12 level of thoracic spinal cord, initial encounter
- S24.114DComplete lesion at T11-T12 level of thoracic spinal cord, subsequent encounter
- S24.114SComplete lesion at T11-T12 level of thoracic spinal cord, sequela
- S24.119Complete lesion at unspecified level of thoracic spinal cord
- S24.119AComplete lesion at unspecified level of thoracic spinal cord, initial encounter
- S24.119DComplete lesion at unspecified level of thoracic spinal cord, subsequent encounter
- S24.119SComplete lesion at unspecified level of thoracic spinal cord, sequela
- S24.13Anterior cord syndrome of thoracic spinal cord
- S24.131Anterior cord syndrome at T1 level of thoracic spinal cord
- S24.131AAnterior cord syndrome at T1 level of thoracic spinal cord, initial encounter
- S24.131DAnterior cord syndrome at T1 level of thoracic spinal cord, subsequent encounter
- S24.131SAnterior cord syndrome at T1 level of thoracic spinal cord, sequela
- S24.132Anterior cord syndrome at T2-T6 level of thoracic spinal cord
- S24.132AAnterior cord syndrome at T2-T6 level of thoracic spinal cord, initial encounter
- S24.132DAnterior cord syndrome at T2-T6 level of thoracic spinal cord, subsequent encounter
- S24.132SAnterior cord syndrome at T2-T6 level of thoracic spinal cord, sequela
- S24.133Anterior cord syndrome at T7-T10 level of thoracic spinal cord
- S24.133AAnterior cord syndrome at T7-T10 level of thoracic spinal cord, initial encounter
- S24.133DAnterior cord syndrome at T7-T10 level of thoracic spinal cord, subsequent encounter
- S24.133SAnterior cord syndrome at T7-T10 level of thoracic spinal cord, sequela
- S24.134Anterior cord syndrome at T11-T12 level of thoracic spinal cord
- S24.134AAnterior cord syndrome at T11-T12 level of thoracic spinal cord, initial encounter
- S24.134DAnterior cord syndrome at T11-T12 level of thoracic spinal cord, subsequent encounter
- S24.134SAnterior cord syndrome at T11-T12 level of thoracic spinal cord, sequela
- S24.139Anterior cord syndrome at unspecified level of thoracic spinal cord
- S24.139AAnterior cord syndrome at unspecified level of thoracic spinal cord, initial encounter
- S24.139DAnterior cord syndrome at unspecified level of thoracic spinal cord, subsequent encounter
- S24.139SAnterior cord syndrome at unspecified level of thoracic spinal cord, sequela
- S24.14Brown-Séquard syndrome of thoracic spinal cord
- S24.141Brown-Séquard syndrome at T1 level of thoracic spinal cord
- S24.141ABrown-Sequard syndrome at T1 level of thoracic spinal cord, initial encounter
- S24.141DBrown-Sequard syndrome at T1 level of thoracic spinal cord, subsequent encounter
- S24.141SBrown-Sequard syndrome at T1 level of thoracic spinal cord, sequela
- S24.142Brown-Séquard syndrome at T2-T6 level of thoracic spinal cord
- S24.142ABrown-Sequard syndrome at T2-T6 level of thoracic spinal cord, initial encounter
- S24.142DBrown-Sequard syndrome at T2-T6 level of thoracic spinal cord, subsequent encounter
- S24.142SBrown-Sequard syndrome at T2-T6 level of thoracic spinal cord, sequela
- S24.143Brown-Séquard syndrome at T7-T10 level of thoracic spinal cord
- S24.143ABrown-Sequard syndrome at T7-T10 level of thoracic spinal cord, initial encounter
- S24.143DBrown-Sequard syndrome at T7-T10 level of thoracic spinal cord, subsequent encounter
- S24.143SBrown-Sequard syndrome at T7-T10 level of thoracic spinal cord, sequela
- S24.144Brown-Séquard syndrome at T11-T12 level of thoracic spinal cord
- S24.144ABrown-Sequard syndrome at T11-T12 level of thoracic spinal cord, initial encounter
- S24.144DBrown-Sequard syndrome at T11-T12 level of thoracic spinal cord, subsequent encounter
- S24.144SBrown-Sequard syndrome at T11-T12 level of thoracic spinal cord, sequela
- S24.149Brown-Séquard syndrome at unspecified level of thoracic spinal cord
- S24.149ABrown-Sequard syndrome at unspecified level of thoracic spinal cord, initial encounter
- S24.149DBrown-Sequard syndrome at unspecified level of thoracic spinal cord, subsequent encounter
- S24.149SBrown-Sequard syndrome at unspecified level of thoracic spinal cord, sequela
- S24.15Other incomplete lesions of thoracic spinal cord
- S24.151Other incomplete lesion at T1 level of thoracic spinal cord
- S24.151AOther incomplete lesion at T1 level of thoracic spinal cord, initial encounter
- S24.151DOther incomplete lesion at T1 level of thoracic spinal cord, subsequent encounter
- S24.151SOther incomplete lesion at T1 level of thoracic spinal cord, sequela
- S24.152Other incomplete lesion at T2-T6 level of thoracic spinal cord
- S24.152AOther incomplete lesion at T2-T6 level of thoracic spinal cord, initial encounter
- S24.152DOther incomplete lesion at T2-T6 level of thoracic spinal cord, subsequent encounter
- S24.152SOther incomplete lesion at T2-T6 level of thoracic spinal cord, sequela
- S24.153Other incomplete lesion at T7-T10 level of thoracic spinal cord
- S24.153AOther incomplete lesion at T7-T10 level of thoracic spinal cord, initial encounter
- S24.153DOther incomplete lesion at T7-T10 level of thoracic spinal cord, subsequent encounter
- S24.153SOther incomplete lesion at T7-T10 level of thoracic spinal cord, sequela
- S24.154Other incomplete lesion at T11-T12 level of thoracic spinal cord
- S24.154AOther incomplete lesion at T11-T12 level of thoracic spinal cord, initial encounter
- S24.154DOther incomplete lesion at T11-T12 level of thoracic spinal cord, subsequent encounter
- S24.154SOther incomplete lesion at T11-T12 level of thoracic spinal cord, sequela
- S24.159Other incomplete lesion at unspecified level of thoracic spinal cord
- S24.159AOther incomplete lesion at unspecified level of thoracic spinal cord, initial encounter
- S24.159DOther incomplete lesion at unspecified level of thoracic spinal cord, subsequent encounter
- S24.159SOther incomplete lesion at unspecified level of thoracic spinal cord, sequela
- S24.2Injury of nerve root of thoracic spine
- S24.2XXAInjury of nerve root of thoracic spine, initial encounter
- S24.2XXDInjury of nerve root of thoracic spine, subsequent encounter
- S24.2XXSInjury of nerve root of thoracic spine, sequela
- S24.3Injury of peripheral nerves of thorax
- S24.3XXAInjury of peripheral nerves of thorax, initial encounter
- S24.3XXDInjury of peripheral nerves of thorax, subsequent encounter
- S24.3XXSInjury of peripheral nerves of thorax, sequela
- S24.4Injury of thoracic sympathetic nervous system
- S24.4XXAInjury of thoracic sympathetic nervous system, initial encounter
- S24.4XXDInjury of thoracic sympathetic nervous system, subsequent encounter
- S24.4XXSInjury of thoracic sympathetic nervous system, sequela
- S24.8Injury of other specified nerves of thorax
- S24.8XXAInjury of other specified nerves of thorax, initial encounter
- S24.8XXDInjury of other specified nerves of thorax, subsequent encounter
- S24.8XXSInjury of other specified nerves of thorax, sequela
- S24.9Injury of unspecified nerve of thorax
- S24.9XXAInjury of unspecified nerve of thorax, initial encounter
- S24.9XXDInjury of unspecified nerve of thorax, subsequent encounter
- S24.9XXSInjury of unspecified nerve of thorax, sequela
S24 MS-DRGs
As the principal diagnosis, the billable codes under S24 group to these 12 MS-DRGs (v44.0). Which one applies depends on procedures performed, secondary diagnoses (CC/MCC), and the patient's age and discharge status.
- DRG 052 Spinal Disorders and Injuries with CC/MCC (52 of 93 codes)
- DRG 053 Spinal Disorders and Injuries without CC/MCC (52 of 93 codes)
- DRG 949 Aftercare with CC/MCC (31 of 93 codes)
- DRG 950 Aftercare without CC/MCC (31 of 93 codes)
- DRG 963 Other Multiple Significant Trauma with MCC (31 of 93 codes)
- DRG 964 Other Multiple Significant Trauma with CC (31 of 93 codes)
- DRG 965 Other Multiple Significant Trauma without CC/MCC (31 of 93 codes)
- DRG 073 Cranial and Peripheral Nerve Disorders with MCC (5 of 93 codes)
- DRG 074 Cranial and Peripheral Nerve Disorders without MCC (5 of 93 codes)
- DRG 091 Other Disorders of Nervous System with MCC (5 of 93 codes)
- DRG 092 Other Disorders of Nervous System with CC (5 of 93 codes)
- DRG 093 Other Disorders of Nervous System without CC/MCC (5 of 93 codes)
Other codes that refer to S24
Notes on these codes point to S24.
- G83.8 Excludes1: paralytic syndromes due to current spinal cord injury-code to spinal cord injury (S14, S24, S34)
About the condition
Plain-language background from MedlinePlus (National Library of Medicine), not coding guidance.
Spinal Cord Injuries
Your spinal cord is a bundle of nerves that runs down the middle of your back. It carries signals back and forth between your body and your brain. A spinal cord injury disrupts the signals. Spinal cord injuries usually begin with a blow that fractures (breaks) or dislocates your vertebrae, the bone disks that make up your spine. Most injuries don't cut through your spinal cord. Instead, they cause damage when pieces of vertebrae tear into cord tissue or press down on the nerve parts that carry signals.
Read more about spinal cord injuries on MedlinePlusCode history
Valid since FY2016, when ICD-10-CM took effect on October 1, 2015. No changes since.
