S24.4XXS — Injury of thoracic sympathetic nervous system, sequela
Is S24.4XXS billable?
Yes — S24.4XXS is billable for FY2027. S24.4XXS is a valid, billable ICD-10-CM code at the highest level of specificity in its branch. S24.4XXS may be submitted for encounters from October 1, 2026 through September 30, 2027.
S24.4XXS at a glance
| Code | S24.4XXS |
|---|---|
| Description | Injury of thoracic sympathetic nervous system, sequela |
| Billable | Yes |
| Code set | ICD-10-CM FY2027 |
| Valid for encounters | October 1, 2026 – September 30, 2027 |
| 7th character "S" | sequela |
What does the 7th character "S" mean in S24.4XXS?
In S24.4XXS, the 7th character S means sequela. The 7th character is required for S24.4XXS to be a valid, complete code.
Same condition, different episode of care — switch the 7th character:
Which MS-DRGs does S24.4XXS group to?
S24.4XXS sits in MDC 01 and helps define the logic of 3 MS-DRGs (version 44, FY2027). Which one a stay actually groups to also depends on procedures and secondary diagnoses.
- 091Other Disorders of Nervous System with MCCmedical
- 092Other Disorders of Nervous System with CCmedical
- 093Other Disorders of Nervous System without CC/MCCmedical
How is S24.4XXS listed in the Alphabetic Index?
The Alphabetic Index lists these routes under S24.4, the nearest indexed parent of S24.4XXS. Use them to find the family, then select the specific code.
- Injury › nerve NEC › thorax › sympathetic
Inclusion terms
Alternative wording in documentation that is classified to S24.4XXS.
- Injury of cardiac plexus
- Injury of esophageal plexus
- Injury of pulmonary plexus
- Injury of stellate ganglion
- Injury of thoracic sympathetic ganglion
Use additional code — inherited from Chapter 19
Report an additional code alongside S24.4XXS to fully describe the condition. S24.4XXS is sequenced first.
- code to identify any retained foreign body, if applicable (Z18.-)
Excludes2 — not included here — inherited from Chapter 19
The conditions below are not part of S24.4XXS, but a patient may have both at the same time. When documentation supports it, S24.4XXS and the excluded code may both be reported.
Excludes2 — not included here — inherited from S20-S29
The conditions below are not part of S24.4XXS, but a patient may have both at the same time. When documentation supports it, S24.4XXS and the excluded code may both be reported.
- 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)
Excludes2 — not included here — inherited from S24
The conditions below are not part of S24.4XXS, but a patient may have both at the same time. When documentation supports it, S24.4XXS and the excluded code may both be reported.
- injury of brachial plexus (S14.3)
Code also — inherited from S24
Two codes may be needed to describe the condition fully. Whether S24.4XXS is sequenced first depends on the reason for the encounter.
How long has S24.4XXS existed?
S24.4XXS has been in ICD-10-CM since at least FY2016, the earliest fiscal year on record here.
Derived from the official order files for FY2016–FY2026. FY2017 and FY2020 publish no order file, so those years are not covered.