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ICD-10-CM 2027

ICD-10 code for back bite

Choose a code from the options below based on the documentation.

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

About coding back bite

The official ICD-10-CM index doesn't give a single default code for back bite; the code depends on the details below.

More specific back bite codes (official index)

  • lower S31.050 — Open bite of lower back and pelvis without penetration into retroperitoneum
  • with penetration into retroperitoneal space S31.051 — Open bite of lower back and pelvis with penetration into retroperitoneum
  • superficial NEC S30.870 — Other superficial bite of lower back and pelvis
  • insect S30.860 — Insect bite (nonvenomous) of lower back and pelvis

Common questions about back bite ICD-10 codes

What is the ICD-10 code for lower back bite?

S31.050 — Open bite of lower back and pelvis without penetration into retroperitoneum (header code; choose a more specific subcode).