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ICD-10-CM 2027

ICD-10 code for buttock bite

S31.805

Open bite of unspecified buttock

Header — needs a more specific code

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

About coding buttock bite

The ICD-10-CM code for buttock bite is S31.805 (Open bite of unspecified buttock). The official index lists 4 more specific codes, so check the documentation for details such as type, cause, site or severity before settling on S31.805.

Within S31.80, choose S31.805 (Open bite of unspecified buttock) only when documentation doesn't support a more specific option: laceration without foreign body of unspecified buttock (S31.801), laceration with foreign body of unspecified buttock (S31.802), puncture wound without foreign body of unspecified buttock (S31.803), puncture wound with foreign body of unspecified buttock (S31.804) and unspecified open wound of unspecified buttock (S31.809).

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.

Don't report S31.805 together with the conditions in its Excludes1 note: superficial bite of buttock (S30.870).

More specific buttock bite codes (official index)

  • left S31.825 — Open bite of left buttock
  • right S31.815 — Open bite of right buttock
  • superficial NEC S30.870 — Other superficial bite of lower back and pelvis
  • insect S30.860 — Insect bite (nonvenomous) of lower back and pelvis

Don't confuse with (Excludes1 for S31.805)

  • superficial bite of buttock (S30.870)

Common questions about buttock bite ICD-10 codes

What is the ICD-10 code for buttock bite?

S31.805 — Open bite of unspecified buttock (a header code; report a more specific subcode). More specific codes apply when the documentation supports them: S31.825, S31.815, S30.870, S30.860.

What is the ICD-10 code for left buttock bite?

S31.825 — Open bite of left buttock (header code; choose a more specific subcode).

What is the ICD-10 code for right buttock bite?

S31.815 — Open bite of right buttock (header code; choose a more specific subcode).

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

S30.870 — Other superficial bite of lower back and pelvis (header code; choose a more specific subcode).

Is S31.805 billable?

No. S31.805 is a header code. Report one of its more specific subcodes instead.