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ICD-10-CM 2027

ICD-10 code for cheek external bite

S01.45

Open bite of cheek and temporomandibular area

Header — needs a more specific code

From the official ICD-10-CM alphabetic index entry “Bite (s) (animal) (human) › cheek (external)”. Page updated September 29, 2026.

About coding cheek external bite

The ICD-10-CM code for cheek external bite is S01.45 (Open bite of cheek and temporomandibular area). The official index lists 2 more specific codes, so check the documentation for details such as type, cause, site or severity before settling on S01.45.

Within S01.4 (open wound of cheek and temporomandibular area), S01.45 is specifically for open bite of cheek and temporomandibular area. Related codes cover unspecified open wound of cheek and temporomandibular area (S01.40), laceration without foreign body of cheek and temporomandibular area (S01.41), laceration with foreign body of cheek and temporomandibular area (S01.42), puncture wound without foreign body of cheek and temporomandibular area (S01.43) and puncture wound with foreign body of cheek and temporomandibular area (S01.44).

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.

The conditions in its Excludes2 note aren't part of S01.45, but may be coded alongside it if the patient has both: superficial bite of cheek and temporomandibular area (S00.86, S00.87).

More specific cheek external bite codes (official index)

  • superficial NEC S00.87 — Other superficial bite of other part of head
  • insect S00.86 — Insect bite (nonvenomous) of other part of head
  • internal

Common questions about cheek external bite ICD-10 codes

What is the ICD-10 code for cheek external bite?

S01.45 — Open bite of cheek and temporomandibular area (a header code; report a more specific subcode). More specific codes apply when the documentation supports them: S00.87, S00.86.

What is the ICD-10 code for superficial nec cheek external bite?

S00.87 — Other superficial bite of other part of head (header code; choose a more specific subcode).

Is S01.45 billable?

No. S01.45 is a header code. Report one of its more specific subcodes instead.