MCMedicalCodingSoftware
R87.620

R87.620Atypical squamous cells of undetermined significance on cytologic smear of vagina (ASC-US)

Billable / specific codeICD-10-CM

R87.620 is a billable, specific ICD-10-CM code for atypical squamous cells of undetermined significance on cytologic smear of vagina (asc-us). It is valid for submission on a claim.

Excludes1 inherited from the categories above R87.620

These are not written on R87.620, but they bind it: a note on a category applies to every code beneath it. Billing R87.620 with anything listed here is a denial.

Written on R87.62 Abnormal cytological findings in specimens from vagina

  • 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 inherited from the categories above R87.620

Also inherited, and the opposite of Excludes1: these conditions are not part of R87.620, but a patient can have both, so you may code both.

Written on R87.62 Abnormal cytological findings in specimens from vagina

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

Risk adjustment

R87.620 does not map to an HCC and does not risk-adjust under CMS-HCC V28. That is normal — most ICD-10 codes do not. It still needs to be coded correctly; it just will not move a RAF score.

How R87.620 is indexed

Coders do not find codes by browsing the tabular list — they look them up in the alphabetic index, under the word the physician wrote. These are the index entries that lead here, so you can see which chart wordings map to R87.620.

  • ASC-USvagina
  • Abnormal, abnormality, abnormalitiesPapanicolaouvaginaatypical squamous cells of undetermined significance(ASC-US)

Code history

R87.620 has not changed since FY2024 — no addition, revision or deletion across the three most recent ICD-10-CM releases.

Related codes at this level

Codes that share R87.62. If R87.620 is not quite right, the correct code is usually one of these.

Questions about R87.620

Is R87.620 a billable ICD-10-CM code?
Yes. R87.620 is a billable, specific ICD-10-CM code and is valid for submission on a claim.
Where does R87.620 sit in the tabular list?
Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R99), in the block Abnormal findings on examination of other body fluids, substances and tissues, without diagnosis (R83-R89).
What cannot be coded together with R87.620?
R87.620 carries Excludes1 notes, which means the conditions they list can never be coded together with it on the same encounter. Some are written on the categories above R87.620 (R87.62) and apply to it just the same.
ICD-10-CMFY2026-Apr· effective April 1, 2026

Loaded directly from the CMS/NCHS ICD-10-CM public-domain release — see data sources and our editorial policy. If this page disagrees with the CMS tabular list, this page is wrong. Reference information for professional coders; not medical or billing advice.