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S31.55

Non-billable

Open bite of unspecified external genital organs

S31.55 is the ICD-10-CM code for Open bite of unspecified external genital organs. It is a non-billable category code — use a more specific child code such as S31.551 for billing.

Status
Header (non-billable)
Chapter
S00-T88
Parent
S31.5
Subcodes
2
Edition
FY2026

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

Includes

  • •Bite of unspecified external genital organs NOS

Excludes1 — not coded here

Frequently asked questions

What is ICD-10 code S31.55?
S31.55 is the ICD-10-CM code for "Open bite of unspecified external genital organs". It falls under S00-T88 Injury, poisoning and certain other consequences of external causes.
Is S31.55 a billable code?
No — S31.55 is a non-billable header code. Use a more specific child code (such as S31.551) for billing.
What are the subcodes of S31.55?
S31.55 has 2 more specific child codes, including S31.551, S31.552.
What is excluded from S31.55?
Excludes1 (not coded here): superficial bite of unspecified external genital organs (S30.865, S30.866, S30.875, S30.876).

Source: CMS ICD-10-CM FY2026. For informational purposes only — not medical advice. See our medical disclaimer.

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