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ICD-10-CM · FY 2026 APRIL UPDATE

S27

Injury of other and unspecified intrathoracic organs

Diagnosis reference

Nonbillable category

This entry is a category or subcategory. Choose the appropriate billable descendant based on the clinical documentation.

Effective periodOctober 1, 2026–September 30, 2027
SourceCMS ICD-10-CM order file
ClassificationDiagnosis · clinical modification

Related entries

Up to 30 descendants in this category

CODEDESCRIPTIONTYPE
S27.0Traumatic pneumothoraxCategory
S27.0XXATraumatic pneumothorax, initial encounterBillable
S27.0XXDTraumatic pneumothorax, subsequent encounterBillable
S27.0XXSTraumatic pneumothorax, sequelaBillable
S27.1Traumatic hemothoraxCategory
S27.1XXATraumatic hemothorax, initial encounterBillable
S27.1XXDTraumatic hemothorax, subsequent encounterBillable
S27.1XXSTraumatic hemothorax, sequelaBillable
S27.2Traumatic hemopneumothoraxCategory
S27.2XXATraumatic hemopneumothorax, initial encounterBillable
S27.2XXDTraumatic hemopneumothorax, subsequent encounterBillable
S27.2XXSTraumatic hemopneumothorax, sequelaBillable
S27.3Other and unspecified injuries of lungCategory
S27.30Unspecified injury of lungCategory
S27.301Unspecified injury of lung, unilateralCategory
S27.301AUnspecified injury of lung, unilateral, initial encounterBillable
S27.301DUnspecified injury of lung, unilateral, subsequent encounterBillable
S27.301SUnspecified injury of lung, unilateral, sequelaBillable
S27.302Unspecified injury of lung, bilateralCategory
S27.302AUnspecified injury of lung, bilateral, initial encounterBillable
S27.302DUnspecified injury of lung, bilateral, subsequent encounterBillable
S27.302SUnspecified injury of lung, bilateral, sequelaBillable
S27.309Unspecified injury of lung, unspecifiedCategory
S27.309AUnspecified injury of lung, unspecified, initial encounterBillable
S27.309DUnspecified injury of lung, unspecified, subsequent encounterBillable
S27.309SUnspecified injury of lung, unspecified, sequelaBillable
S27.31Primary blast injury of lungCategory
S27.311Primary blast injury of lung, unilateralCategory
S27.311APrimary blast injury of lung, unilateral, initial encounterBillable
S27.311DPrimary blast injury of lung, unilateral, subsequent encounterBillable

Use the complete reference

This reference does not reproduce the full tabular hierarchy, inclusion notes, Excludes1/2 notes, sequencing instructions, or seventh-character rules. Review the official tables and coding guidelines.

Open official CMS files

ICD-10-CM codes describe diagnoses. They do not have an independent Medicare PFS reimbursement amount, and billability alone does not establish coverage.