S00.402 — Unspecified superficial injury of left ear
Is S00.402 billable?
No — S00.402 is a non-billable header code. S00.402 groups more specific codes and cannot be submitted on a claim. A valid ICD-10-CM code must be reported at the highest level of specificity available in its branch. Select one of the 3 billable codes beneath S00.402.
S00.402 at a glance
| Code | S00.402 |
|---|---|
| Description | Unspecified superficial injury of left ear |
| Billable | No — header code |
| Code set | ICD-10-CM FY2027 |
| Valid for encounters | October 1, 2026 – September 30, 2027 |
How is S00.402 listed in the Alphabetic Index?
The Alphabetic Index lists these routes under S00.40, the nearest indexed parent of S00.402. Use them to find the family, then select the specific code.
- Injury › superficial NEC › ear
Excludes1 — never code together — inherited from S00
The conditions below can never be reported together with S00.402 on the same claim. An Excludes1 note means the two conditions cannot occur in the same patient, so reporting both is a coding error.
Use additional code — inherited from Chapter 19
Report an additional code alongside S00.402 to fully describe the condition. S00.402 is sequenced first.
- code to identify any retained foreign body, if applicable (Z18.-)
Excludes2 — not included here — inherited from Chapter 19
The conditions below are not part of S00.402, but a patient may have both at the same time. When documentation supports it, S00.402 and the excluded code may both be reported.
Excludes2 — not included here — inherited from S00-S09
The conditions below are not part of S00.402, but a patient may have both at the same time. When documentation supports it, S00.402 and the excluded code may both be reported.
- burns and corrosions (T20-T32)
- effects of foreign body in ear (T16)
- effects of foreign body in larynx (T17.3)
- effects of foreign body in mouth NOS (T18.0)
- effects of foreign body in nose (T17.0-T17.1)
- effects of foreign body in pharynx (T17.2)
- effects of foreign body on external eye (T15.-)
- frostbite (T33-T34)
- insect bite or sting, venomous (T63.4)
Code also — inherited from S00-S09
Two codes may be needed to describe the condition fully. Whether S00.402 is sequenced first depends on the reason for the encounter.
- for any associated infection
What codes fall under S00.402? (3)
How long has S00.402 existed?
S00.402 has been in ICD-10-CM since at least FY2016, the earliest fiscal year on record here.
Derived from the official order files for FY2016–FY2026. FY2017 and FY2020 publish no order file, so those years are not covered.