ICD10BillableValid for clinical use

ICD-10 Code R85.613: High grade squamous intraepithelial lesion on cytologic smear of anus (HGSIL)

R85.613 is a billable ICD-10 diagnosis code used to classify High grade squamous intraepithelial lesion on cytologic smear of anus (HGSIL) 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 Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R99).

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 Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R99).

When is it used?

  • May be used when a clinician documents high grade squamous intraepithelial lesion on cytologic smear of anus (hgsil) 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
18Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R99)
block
R83-R89Abnormal findings on examination of other body fluids, substances and tissues, without diagnosis
category
R85Abnormal findings in specimens from digestive organs and abdominal cavity
category
R85.6Abnormal cytological findings in specimens from digestive organs and abdominal cavity
category
R85.61Abnormal cytologic smear of anus
currentR85.61

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

General PhysicianENT Specialist

Coding guidelines

Common synonyms

High grade squamous intraepithelial lesion on cytologic smear of anus (HGSIL)High grade squamous intraepithelial lesion on cytologic smear of anusHigh grade squamous intraepithelial lesion on cytologic smear of anus HGSIL

Frequently asked questions

Code details

CodeR85.613
SystemICD10
Display nameHigh grade squamous intraepithelial lesion on cytologic smear of anus (HGSIL)
ChapterSymptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R99)
BlockAbnormal findings on examination of other body fluids, substances and tissues, without diagnosis

Flags

BillableYes
Valid clinical useYes

Source

SourceICD-10
Version2026-annual
Releaseannual
Year2026

Index terms

Matched terms
Abnormal, abnormality, abnormalitiesAbnormal, abnormality, abnormalitiesHGSIL(cytology finding) (high grade squamous intraepithelial lesion on cytologic smear) (Pap smear finding)

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.

ICD-10 Code R85.613 for High grade squamous intraepithelial lesion on cytologic smear of anus (HGSIL) | HealthAssure