October 1 update. Our PDGM and ICD-10 tools now use the FY2027 code set: 190 codes added, 30 deleted, and no existing code changed clinical group.

See what changed

ICD-10 · PDGM grouping

R85 Abnormal findings in specimens from digestive organs and abdominal cavity

All 21 codes in the R85 family, with the PDGM clinical group, comorbidity subgroup and primary-position rule CMS assigns, read from the CMS grouper crosswalk v07.2.26 and the CDC FY2027 code file.

ICD-10-CM FY2027 · CMS grouper v07.2.26

Codes in family

21

Can lead a claim

0

Cannot lead a claim

21

What CMS assigns to R85

None of the 21 codes is assigned a clinical group. None of the 21 is assigned a comorbidity subgroup. None can lead a claim.

Every code in R85

Descriptions are CDC’s FY2027 wording; where CMS’s grouper abbreviates one, its form is shown beneath.

CodeDescriptionPrimary positionClinical groupComorbidity subgroup
R85.0Abnormal level of enzymes in specimens from digestive organs and abdominal cavityCMS: Abn lev enzymes in specimens from dgstv org/abd cavCannot lead a claimPrincipal diagnosis not assigned to a clinical groupNoneNone
R85.1Abnormal level of hormones in specimens from digestive organs and abdominal cavityCMS: Abn lev hormones in specimens from dgstv org/abd cavCannot lead a claimPrincipal diagnosis not assigned to a clinical groupNoneNone
R85.2Abnormal level of other drugs, medicaments and biological substances in specimens from digestive organs and abdominal cavityCMS: Abn lev drug/meds/biol subst in specmn fr dgstv org/abd cavCannot lead a claimPrincipal diagnosis not assigned to a clinical groupNoneNone
R85.3Abnormal level of substances chiefly nonmedicinal as to source in specimens from digestive organs and abdominal cavityCMS: Abn lev substnc nonmed source in specmn fr dgstv org/abd cavCannot lead a claimPrincipal diagnosis not assigned to a clinical groupNoneNone
R85.4Abnormal immunological findings in specimens from digestive organs and abdominal cavityCMS: Abnormal immunolog findings in specmn from dgstv org/abd cavCannot lead a claimPrincipal diagnosis not assigned to a clinical groupNoneNone
R85.5Abnormal microbiological findings in specimens from digestive organs and abdominal cavityCMS: Abn microbiolog findings in specmn from dgstv org/abd cavCannot lead a claimPrincipal diagnosis not assigned to a clinical groupNoneNone
R85.6 Abnormal cytological findings in specimens from digestive organs and abdominal cavity
R85.61 Abnormal cytologic smear of anus
R85.610Atypical squamous cells of undetermined significance on cytologic smear of anus (ASC-US)CMS: Atyp squam cell of undet signfc cyto smr anus (ASC-US)Cannot lead a claimPrincipal diagnosis not assigned to a clinical groupNoneNone
R85.611Atypical squamous cells cannot exclude high grade squamous intraepithelial lesion on cytologic smear of anus (ASC-H)CMS: Atyp squam cell not excl hi grd intrepith lesn cyto smr anusCannot lead a claimPrincipal diagnosis not assigned to a clinical groupNoneNone
R85.612Low grade squamous intraepithelial lesion on cytologic smear of anus (LGSIL)CMS: Low grade intrepith lesion cyto smr anus (LGSIL)Cannot lead a claimPrincipal diagnosis not assigned to a clinical groupNoneNone
R85.613High grade squamous intraepithelial lesion on cytologic smear of anus (HGSIL)CMS: High grade intrepith lesion cyto smr anus (HGSIL)Cannot lead a claimPrincipal diagnosis not assigned to a clinical groupNoneNone
R85.614Cytologic evidence of malignancy on smear of anusCannot lead a claimPrincipal diagnosis not assigned to a clinical groupNoneNone
R85.615Unsatisfactory cytologic smear of anusCannot lead a claimPrincipal diagnosis not assigned to a clinical groupNoneNone
R85.616Satisfactory anal smear but lacking transformation zoneCannot lead a claimPrincipal diagnosis not assigned to a clinical groupNoneNone
R85.618Other abnormal cytological findings on specimens from anusCannot lead a claimPrincipal diagnosis not assigned to a clinical groupNoneNone
R85.619Unspecified abnormal cytological findings in specimens from anusCMS: Unsp abnormal cytological findings in specimens from anusCannot lead a claimPrincipal diagnosis not assigned to a clinical groupNoneNone
R85.69Abnormal cytological findings in specimens from other digestive organs and abdominal cavityCMS: Abn cytolog findings in specmn from oth dgstv org/abd cavCannot lead a claimPrincipal diagnosis not assigned to a clinical groupNoneNone
R85.7Abnormal histological findings in specimens from digestive organs and abdominal cavityCMS: Abnormal histolog findings in specmn from dgstv org/abd cavCannot lead a claimPrincipal diagnosis not assigned to a clinical groupNoneNone
R85.8 Other abnormal findings in specimens from digestive organs and abdominal cavity
R85.81Anal high risk human papillomavirus (HPV) DNA test positiveCannot lead a claimPrincipal diagnosis not assigned to a clinical groupNoneNone
R85.82Anal low risk human papillomavirus (HPV) DNA test positiveCannot lead a claimPrincipal diagnosis not assigned to a clinical groupNoneNone
R85.89Other abnormal findings in specimens from digestive organs and abdominal cavityCMS: Oth abnormal findings in specimens from dgstv org/abd cavCannot lead a claimPrincipal diagnosis not assigned to a clinical groupNoneNone
R85.9Unspecified abnormal finding in specimens from digestive organs and abdominal cavityCMS: Unsp abnormal finding in specimens from dgstv org/abd cavCannot lead a claimPrincipal diagnosis not assigned to a clinical groupNoneNone

Sources: CMS HH PPS Grouper Software v07.2.26, effective 2026-10-01, for the clinical group, comorbidity subgroup, code-first conventions and primary-position flags; CDC NCHS ICD-10-CM FY2027 code descriptions for the family title and code wording. This is the crosswalk Medicare runs a claim through. Grouping also depends on admission source, timing, the OASIS functional items and the rest of the diagnosis list.

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