S27
ICD-10Non-billable categoryInjury of other and unspecified intrathoracic organs
Official ICD-10-CM descriptor (FY2026)
Injury of other and unspecified intrathoracic organs
S27 is a category heading, not a billable code. CMS does not accept it on a claim; report one of the more specific codes beneath it.
Excludes2
Not included here. The condition is not part of this code, but a patient may have both, and both codes may be reported together.
- injury of cervical esophagus (S10-S19)
- injury of trachea (cervical) (S10-S19)
Code also
Two codes may be needed; sequencing depends on the reason for the encounter.
- any associated open wound of thorax (S21.-)
7th character
- The appropriate 7th character is to be added to each code from category S27
Permitted 7th characters
| A | initial encounter |
| D | subsequent encounter |
| S | sequela |
More specific codes under S27
- S27.0Traumatic pneumothoraxcategory
- S27.1Traumatic hemothoraxcategory
- S27.2Traumatic hemopneumothoraxcategory
- S27.3Other and unspecified injuries of lungcategory
- S27.4Injury of bronchuscategory
- S27.5Injury of thoracic tracheacategory
- S27.6Injury of pleuracategory
- S27.8Injury of other specified intrathoracic organscategory
- S27.9Injury of unspecified intrathoracic organcategory
Where this code sits
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ICD-10-CM FY2026. Centers for Medicare & Medicaid Services (CMS) / National Center for Health Statistics (NCHS), “2026 ICD-10-CM Code Descriptions in Tabular Order” (icd10cm_order_2026.txt). Download the original file from cms.gov. Public domain (US Government work). Descriptors, billable flags and instructional notes on this page are reproduced from that file without modification. Krasyn adds no clinical guidance.