S00.4

Non-Billable

ChapterS00–T88

Ranksubcategory

Official Description

Superficial injury of ear

Metadata & Insights

•2026 ICD-10-CM Edition - Effective October 1, 2025.
•Non-billable category (requires more specific sub-code).
•Chapter 19: Injury, Poisoning and Certain Other Consequences of External Causes (S00-T88).

General instructions are available for the parent sections:

View CH19 Notes View S00-S09 Notes View S00 Notes

Clinical Hierarchy

CH19Injury, poisoning and certain other consequences of external causes (S00-T88)

S00-S09Injuries to the head (S00-S09)

S00Superficial injury of head

S00.4Superficial injury of ear

S00.40Unspecified superficial injury of ear

S00.41Abrasion of ear

S00.42Blister (nonthermal) of ear

S00.43Contusion of ear

S00.44External constriction of ear

S00.45Superficial foreign body of ear

S00.46Insect bite (nonvenomous) of ear

S00.47Other superficial bite of ear

Applicable Ancestor Context

The following parent sections contain instructions or notes that apply to S00.4:

categoryS00

Superficial injury of head

View context instructions

blockS00-S09

Injuries to the head (S00-S09)

View context instructions

chapterCH19

Injury, poisoning and certain other consequences of external causes (S00-T88)

View context instructions

Alphabetic Index Mentions

These are Diagnosis Index lookup paths that route to S00.4. Use them as entry terms for search, then confirm final coding instructions in the Tabular List and notes above.

8 raw paths

Abrasion1 unique routes

ear→S00.4

Bite (s) (animal) (human)2 unique routes

ear (canal) (external)(2 variants)

superficial NEC→S00.4(2 variants)

insect→S00.4

Blister (nonthermal)1 unique routes

ear→S00.4

Constriction1 unique routes

external

ear→S00.4