S27 is the authoritative medical code for Injury of other and unspecified intrathoracic organs. This classification is used in medical billing and clinical recording to specify the clinical criteria for injury of other and unspecified intrathoracic organs (ICD-10-CM S27), ensuring healthcare documentation aligns with 2026 federal coding standards.
Billing Status: NO. This is a clinician non-billable / parent hierarchy grouping in the ICD-10-CM system.
Official Registry Overview & Definition
Injury of other and unspecified intrathoracic organs is a non-billable ICD-10-CM category code S27. A more specific billable subcode must be selected for claims submission. Includes: injuries of breast; injuries of chest wall; injuries of interscapular area. Excludes2 (not included here): injury of cervical esophagus S10-S19; injury of trachea cervical S10-S19; 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. Code also: any associated open wound of thorax S21.-. 7th character: The appropriate 7th character is to be added to each code from category S27.
Official Tabular Instructional Notes
Sequencing, inclusion, and exclusion notes published for S27 in the official ICD-10-CM tabular list.
Includes
Conditions the official ICD-10-CM tabular list includes under this code.
- injuries of breast
- injuries of chest wall
- injuries of interscapular area
Excludes2 — Not Included Here
Conditions not covered by this code, but which may be reported alongside it when both are present.
- injury of cervical esophagus S10-S19
- injury of trachea cervical S10-S19
- 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
Code Also
Additional codes that may be required to fully describe the encounter.
- any associated open wound of thorax S21.-
Frequently Asked Questions (FAQ) & Clinical Guidance
Can S27 be billed directly?
No. S27 (Injury of other and unspecified intrathoracic organs) is a non-billable ICD-10-CM category code. A more specific billable subcode must be selected based on clinical documentation.
Does S27 require a 7th character?
Yes. The appropriate 7th character is to be added to each code from category S27; A: initial encounter; D: subsequent encounter; S: sequela.
Can S27 be reported alongside related conditions?
Per official ICD-10-CM Excludes2 instructions, S27 and the following are not considered part of each other and may both be reported when both conditions are present: injury of cervical esophagus (S10-S19); injury of trachea (cervical) (S10-S19); burns and corrosions (T20-T32); effects of foreign body in bronchus (T17.5).
Nearest Codes in This Family
Official ICD-10-CM classifications closest to S27 in its code family, with their registry titles.
- S27.0 — Traumatic pneumothorax
- S27.1 — Traumatic hemothorax
- S27.2 — Traumatic hemopneumothorax
- S27.3 — Other and unspecified injuries of lung
- S27.301 — Unspecified injury of lung, unilateral
- S27.301A — Unspecified injury of lung, unilateral, initial encounter
- S27.301D — Unspecified injury of lung, unilateral, subsequent encounter
- S27.301S — Unspecified injury of lung, unilateral, sequela
- S27.302 — Unspecified injury of lung, bilateral
- S27.302A — Unspecified injury of lung, bilateral, initial encounter
View all 31 codes in the S27.0 family