ICD-10-CM 2027 diagnosis code
S09.302Unspecified injury of left middle and inner ear
S09.302 is a header code, so it can't be reported by itself. Choose one of the 3 more specific codes beneath it and add the required 7th character.
Code unchanged since ICD-10-CM took effect on October 1, 2015. Source: official FY2027 ICD-10-CM release from CDC/NCHS and CMS. Page updated September 29, 2026. About our data
About S09.302
S09.302 is the ICD-10-CM diagnosis code for unspecified injury of left middle and inner ear. It belongs to category S09 (other and unspecified injuries of head), block S00-S09 (injuries to the head) and chapter 19 (injury, poisoning and certain other consequences of external causes). It is a header code, so it can't be reported by itself; one of its 3 subcodes must be used instead.
Within S09.30 (unspecified injury of middle and inner ear), S09.302 is specifically for unspecified injury of left middle and inner ear. Related codes cover right middle and inner ear (S09.301) and unspecified middle and inner ear (S09.309).
Codes in this range require a 7th character: A for initial encounter, D for subsequent encounter and S for sequela. Use placeholder "X" characters to fill any empty positions before the 7th character.
It has been part of ICD-10-CM since the code set took effect on October 1, 2015 and hasn't changed since.
7th character
The appropriate 7th character is to be added to each code from category S09
Notes that apply from higher levels
Instructions written at a parent level also apply to S09.302.
Broader instructions also apply from S00-S09 Injuries to the head and Chapter 19: Injury, poisoning and certain other consequences of external causes.
Code history
- 2016
- 2017
- 2018
- 2019
- 2020
- 2021
- 2022
- 2023
- 2024
- 2025
- 2026
- 2027
- FY2016 (effective 10/1/2015): Added (first year of ICD-10-CM)
- No changes since FY2016.
Common questions about S09.302
Is S09.302 billable?
- No. S09.302 is a header code. Report one of its more specific subcodes instead.