R85.610 - Atypical squamous cells of undetermined significance on cytologic smear of anus (ASC-US)

The ICD 10 Code for Atypical squamous cells of undetermined significance on cytologic smear of anus (ASC-US) is listed as R85.610.
Additional information concerning this code and description can be found below including ICD 9 crosswalks / GEMS, chapter information, and DRGs where available.

ICD 10 CM Field	Value
Diagnosis Code:	R85.610
Description:	Atypical squamous cells of undetermined significance on cytologic smear of anus (ASC-US)
Diagnostic Related Groups (MS-DRG v30.0)	393 - Other Digestive System Diagnoses W Mcc 394 - Other Digestive System Diagnoses W Cc 395 - Other Digestive System Diagnoses W/o Cc/mcc

Chapter	Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R99)
Block	Abnormal findings on examination of other body fluids, substances and tissues, without diagnosis (R83-R89)
Parent	R85.61 - Abnormal cytologic smear of anus
ICD-9-CM Diagnosis Codes General Equivalence Mappings (GEMS):
ICD 9 Dx Code:	796.71 - Papanicolaou smear of anus with atypical squamous cells of undetermined significance (ASC-US)
ICD-10-CM Siblings (same level / similar specificity) of R85.610:
R85.611 - Atypical squamous cells cannot exclude high grade squamous intraepithelial lesion on cytologic smear of anus (ASC-H)
R85.612 - Low grade squamous intraepithelial lesion on cytologic smear of anus (LGSIL)
R85.613 - High grade squamous intraepithelial lesion on cytologic smear of anus (HGSIL)
R85.614 - Cytologic evidence of malignancy on smear of anus
R85.615 - Unsatisfactory cytologic smear of anus
R85.616 - Satisfactory anal smear but lacking transformation zone
R85.618 - Other abnormal cytological findings on specimens from anus
R85.619 - Unspecified abnormal cytological findings in specimens from anus