R87.621 – Atypical squamous cells cannot exclude high grade squamous intraepithelial lesion on cytologic smear of vagina (ASC-H)

ICD-10-CM 2027 diagnosis code · Abnormal findings on examination of other body fluids, substances and tissues, without diagnosis

Billable code

ICD-10-CM code R87.621

Code: R87.621 (claims format: R87621)
Description: Atypical squamous cells cannot exclude high grade squamous intraepithelial lesion on cytologic smear of vagina (ASC-H)
Short description: Atyp squam cell not excl hi grd intrepith lesn cyto smr vagn
Billable: Yes – valid for HIPAA-covered transactions
Valid for: Dates of service October 1, 2026 – September 30, 2027 (FY2027)
Chapter: 18. Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R99)
Block: R83-R89 Abnormal findings on examination of other body fluids, substances and tissues, without diagnosis
Parent codes: R87 › R87.6 › R87.62

Notes inherited from parent codes

Instructional notes at a category or block level apply to every code below it.

R87 – Abnormal findings in specimens from female genital organs

Includes:

abnormal findings in secretion and smears from cervix uteri
abnormal findings in secretion and smears from vagina
abnormal findings in secretion and smears from vulva

R87.62 – Abnormal cytological findings in specimens from vagina

Excludes1 (not coded here):

abnormal cytological findings in specimens from cervix uteri (R87.61-)
abnormal cytological findings in specimens from other female genital organs (R87.69)
carcinoma in situ of vagina (histologically confirmed) (D07.2)
vaginal intraepithelial neoplasia I [VAIN I] (N89.0)
vaginal intraepithelial neoplasia II [VAIN II] (N89.1)
vaginal intraepithelial neoplasia III [VAIN III] (D07.2)
dysplasia (mild) (moderate) of vagina (histologically confirmed) (N89.-)
severe dysplasia of vagina (histologically confirmed) (D07.2)

Excludes2 (not included here):

vaginal high risk human papillomavirus (HPV) DNA test positive (R87.811)
vaginal low risk human papillomavirus (HPV) DNA test positive (R87.821)

Use additional code:

code to identify acquired absence of uterus and cervix, if applicable (Z90.71-)

Block R83-R89

Excludes1 (not coded here):

abnormal findings on antenatal screening of mother (O28.-)
diagnostic abnormal findings classified elsewhere - see Alphabetical Index

Excludes2 (not included here):

abnormal findings on examination of blood, without diagnosis (R70-R79)
abnormal findings on examination of urine, without diagnosis (R80-R82)
abnormal tumor markers (R97.-)

Index terms for R87.621

Entries in the ICD-10-CM alphabetic index that lead to this code:

Related codes in R87.62

Frequently asked questions

What is ICD-10 code R87.621?

R87.621 is the ICD-10-CM code for atypical squamous cells cannot exclude high grade squamous intraepithelial lesion on cytologic smear of vagina (ASC-H), in the block R83-R89 (Abnormal findings on examination of other body fluids, substances and tissues, without diagnosis).

Is R87.621 a billable code?

Yes. R87.621 is a billable/specific code that can be used to indicate a diagnosis for reimbursement purposes.

What category does R87.621 belong to?

It belongs to category R87 – Abnormal findings in specimens from female genital organs.

Source: CDC/NCHS ICD-10-CM FY2027 code files, tabular list and index. Reference only – code assignment must follow the official ICD-10-CM guidelines and documentation in the medical record.