S27.402A – Unspecified injury of bronchus, bilateral, initial encounter
ICD-10-CM 2027 diagnosis code · Injuries to the thorax
ICD-10-CM code
S27.402A
- Code
S27.402A(claims format:S27402A)- Description
- Unspecified injury of bronchus, bilateral, initial encounter
- Billable
- Yes – valid for HIPAA-covered transactions
- Valid for
- Dates of service October 1, 2026 – September 30, 2027 (FY2027)
- Chapter
- 19. Injury, poisoning and certain other consequences of external causes (S00-T88)
- Block
- S20-S29 Injuries to the thorax
- Parent codes
- S27 › S27.4 › S27.40 › S27.402
7th character values
Codes in this category need a 7th character to describe the encounter or episode of care.
| Character | Meaning |
|---|---|
A | initial encounter |
D | subsequent encounter |
S | sequela |
Notes inherited from parent codes
Instructional notes at a category or block level apply to every code below it.
S27 – Injury of other and unspecified intrathoracic organs
Excludes2 (not included here):
Code also:
- any associated open wound of thorax (S21.-)
7th character note:
- The appropriate 7th character is to be added to each code from category S27
Block S20-S29
Includes:
- injuries of breast
- injuries of chest (wall)
- injuries of interscapular area
Excludes2 (not included here):
- 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)
Related codes in S27.402
Frequently asked questions
What is ICD-10 code S27.402A?
S27.402A is the ICD-10-CM code for unspecified injury of bronchus, bilateral, initial encounter, in the block S20-S29 (Injuries to the thorax).
Is S27.402A a billable code?
Yes. S27.402A is a billable/specific code that can be used to indicate a diagnosis for reimbursement purposes.
What category does S27.402A belong to?
It belongs to category S27 – Injury of other and unspecified intrathoracic organs.
Source: CDC/NCHS ICD-10-CM FY2027 code files, tabular list and index. Reference only – code assignment must follow the official ICD-10-CM guidelines and documentation in the medical record.