What does ICD-10 code S31.835 mean?

ICD-10 code S31.835 is the standardized code used for open bite of anus in medical records and coding systems.

When is ICD-10 code S31.835 used?

Doctors, hospitals, and insurers may use ICD-10 code S31.835 when recording open bite of anus in a standardized format.

Does ICD-10 code S31.835 confirm a diagnosis?

No. A code helps standardize documentation and claims, but it should not be read as a substitute for a clinician's full assessment.

ICD10BillableValid for clinical use

ICD-10 Code S31.835: Open bite of anus

Name: ICD-10 Code S31.835: Open bite of anus
Creator: HealthAssure Clinical Team
Published: 2026-05-21T06:33:51.723Z

S31.835 is a billable ICD-10 diagnosis code used to classify Open bite of anus in medical records and claims. You may see this code in hospital records, discharge summaries, insurance claims, encounter documentation, referrals, or other healthcare billing and coding records. ICD-10 codes are diagnosis classification codes used in healthcare records, reporting, coding workflows, and billing support. This code sits within the broader ICD-10 area for Injury, poisoning and certain other consequences of external causes (S00-T88).

Reviewed by HealthAssure Clinical TeamUpdated 21 May 2026

What is this code?

ICD-10 codes are diagnosis classification codes used in healthcare records, reporting, coding workflows, and billing support. This code sits within the broader ICD-10 area for Injury, poisoning and certain other consequences of external causes (S00-T88).

When is it used?

May be used when a clinician documents open bite of anus in a patient's medical record.
May appear in hospital records, claims, referrals, and clinical documentation.
This code can be used as a clinically usable diagnosis entry in standardized coding workflows.

What it does not mean

A code alone does not explain severity, treatment plan, or outcome.
A medical code should not be treated as a substitute for a doctor's diagnosis or advice.

Code hierarchy

chapter

19Injury, poisoning and certain other consequences of external causes (S00-T88)

block

S30-S39Injuries to the abdomen, lower back, lumbar spine, pelvis and external genitals

Official coding notes

Inclusion terms

Bite of anus NOS

Excludes1 (do not code together)

superficial bite of anus (S30.877)

Where you may see this code

You may see this code in hospital records, discharge summaries, insurance claims, encounter documentation, referrals, or other healthcare billing and coding records.

Related specialists

Emergency Medicine SpecialistOrthopedic Specialist

Sibling codes

S31.831Laceration without foreign body of anusbillable S31.832Laceration with foreign body of anusbillable S31.833Puncture wound without foreign body of anusbillable S31.834Puncture wound with foreign body of anusbillable S31.839Unspecified open wound of anusbillable

Coding guidelines

Common synonyms

Open bite of anus

Frequently asked questions

About this content

This page is prepared by HealthAssure's clinical team using official coding standards from ICD-10. AI tools assist with drafting explanations, which are then reviewed and verified by healthcare professionals for accuracy. This content is for informational purposes and does not replace professional medical advice. Meet our team.