Does ICD-10 code R87.621 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 R87.621: Atypical squamous cells cannot exclude high grade squamous intraepithelial lesion on cytologic smear of vagina (ASC-H)

Name: ICD-10 Code R87.621: Atypical squamous cells cannot exclude high grade squamous intraepithelial lesion on cytologic smear of vagina (ASC-H)
Creator: HealthAssure Clinical Team
Published: 2026-05-21T06:30:54.905Z

R87.621 is a billable ICD-10 diagnosis code used to classify Atypical squamous cells cannot exclude high grade squamous intraepithelial lesion on cytologic smear of vagina (ASC-H) 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 atypical squamous cells cannot exclude high grade squamous intraepithelial lesion on cytologic smear of vagina (asc-h) 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

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

Sibling codes

R87.620Atypical squamous cells of undetermined significance on cytologic smear of vagina (ASC-US)billable R87.622Low grade squamous intraepithelial lesion on cytologic smear of vagina (LGSIL)billable R87.623High grade squamous intraepithelial lesion on cytologic smear of vagina (HGSIL)billable R87.624Cytologic evidence of malignancy on smear of vaginabillable R87.625Unsatisfactory cytologic smear of vaginabillable R87.628Other abnormal cytological findings on specimens from vaginabillable R87.629Unspecified abnormal cytological findings in specimens from vaginabillable

Coding guidelines

Common synonyms

Atypical squamous cells cannot exclude high grade squamous intraepithelial lesion on cytologic smear of vagina (ASC-H)Atypical squamous cells cannot exclude high grade squamous intraepithelial lesion on cytologic smear of vaginaAtypical squamous cells cannot exclude high grade squamous intraepithelial lesion on cytologic smear of vagina ASC-H

Frequently asked questions

Code details

CodeR87.621

SystemICD10

Display nameAtypical squamous cells cannot exclude high grade squamous intraepithelial lesion on cytologic smear of vagina (ASC-H)

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

ASC-H(atypical squamous cells cannot exclude high grade squamous intraepithelial lesion on cytologic smear)Abnormal, abnormality, abnormalities

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.