R87.610 – Atypical squamous cells of undetermined significance on cytologic smear of cervix (ASC-US)
ICD-10-CM 2027 diagnosis code · Abnormal findings on examination of other body fluids, substances and tissues, without diagnosis
- Code
R87.610(claims format:R87610)- Description
- Atypical squamous cells of undetermined significance on cytologic smear of cervix (ASC-US)
- Short description
- Atyp squam cell of undet signfc cyto smr crvx (ASC-US)
- 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 › R87.61
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
- 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
R87.61 – Abnormal cytological findings in specimens from cervix uteri
- abnormal cytological findings in specimens from other female genital organs (R87.69)
- abnormal cytological findings in specimens from vagina (R87.62-)
- carcinoma in situ of cervix uteri (histologically confirmed) (D06.-)
- cervical intraepithelial neoplasia I [CIN I] (N87.0)
- cervical intraepithelial neoplasia II [CIN II] (N87.1)
- cervical intraepithelial neoplasia III [CIN III] (D06.-)
- dysplasia (mild) (moderate) of cervix uteri (histologically confirmed) (N87.-)
- severe dysplasia of cervix uteri (histologically confirmed) (D06.-)
Block R83-R89
- abnormal findings on antenatal screening of mother (O28.-)
- diagnostic abnormal findings classified elsewhere - see Alphabetical Index
Index terms for R87.610
Entries in the ICD-10-CM alphabetic index that lead to this code:
Related codes in R87.61
- R87.611 – Atypical squamous cells cannot exclude high grade squamous intraepithelial lesion on cytologic smear of cervix (ASC-H)Billable
- R87.612 – Low grade squamous intraepithelial lesion on cytologic smear of cervix (LGSIL)Billable
- R87.613 – High grade squamous intraepithelial lesion on cytologic smear of cervix (HGSIL)Billable
- R87.614 – Cytologic evidence of malignancy on smear of cervixBillable
- R87.615 – Unsatisfactory cytologic smear of cervixBillable
- R87.616 – Satisfactory cervical smear but lacking transformation zoneBillable
- R87.618 – Other abnormal cytological findings on specimens from cervix uteriBillable
- R87.619 – Unspecified abnormal cytological findings in specimens from cervix uteriBillable
Frequently asked questions
What is ICD-10 code R87.610?
R87.610 is the ICD-10-CM code for atypical squamous cells of undetermined significance on cytologic smear of cervix (ASC-US), in the block R83-R89 (Abnormal findings on examination of other body fluids, substances and tissues, without diagnosis).
Is R87.610 a billable code?
Yes. R87.610 is a billable/specific code that can be used to indicate a diagnosis for reimbursement purposes.
What category does R87.610 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.