S01.351 – Open bite of right ear

ICD-10-CM 2027 diagnosis code · Injuries to the head

Non-billable header

ICD-10-CM code S01.351

Code: S01.351 (claims format: S01351)
Description: Open bite of right ear
Billable: No – use a more specific code below
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: S00-S09 Injuries to the head
Parent codes: S01 › S01.3 › S01.35

Billable codes under S01.351

S01.351 is a header code and cannot be used on claims. Choose the most specific code:

S01.351A – Open bite of right ear, initial encounterBillable
S01.351D – Open bite of right ear, subsequent encounterBillable
S01.351S – Open bite of right ear, sequelaBillable

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.

S01 – Open wound of head

Excludes1 (not coded here):

open skull fracture (S02.- with 7th character B)

Excludes2 (not included here):

injury of eye and orbit (S05.-)
traumatic amputation of part of head (S08.-)

Code also:

any associated:
injury of cranial nerve (S04.-)
injury of muscle and tendon of head (S09.1-)
intracranial injury (S06.-)
wound infection

7th character note:

The appropriate 7th character is to be added to each code from category S01

S01.35 – Open bite of ear

Applicable to:

Bite of ear NOS

Excludes1 (not coded here):

superficial bite of ear (S00.46, S00.47)

Block S00-S09

Includes:

injuries of ear
injuries of eye
injuries of face [any part]
injuries of gum
injuries of jaw
injuries of oral cavity
injuries of palate
injuries of periocular area
injuries of scalp
injuries of temporomandibular joint area
injuries of tongue
injuries of tooth

Excludes2 (not included here):

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:

for any associated infection

Related codes in S01.35

S01.352 – Open bite of left earHeader
S01.359 – Open bite of unspecified earHeader

Frequently asked questions

What is ICD-10 code S01.351?

S01.351 is the ICD-10-CM code for open bite of right ear, in the block S00-S09 (Injuries to the head).

Is S01.351 a billable code?

No. S01.351 is a header code with more specific child codes; report one of the billable codes listed above.

What category does S01.351 belong to?

It belongs to category S01 – Open wound of head.

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.