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R85.616

✓ Billable

Satisfactory anal smear but lacking transformation zone

Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R99)

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❌ Excludes1

inherited

Rules inherited from parent codes in the hierarchy.

R85.61
  • • abnormal cytological findings in specimens from other digestive organs and abdominal cavity (R85.69)
  • • carcinoma in situ of anus (histologically confirmed) (D01.3)
  • • anal intraepithelial neoplasia I [AIN I] (K62.82)
  • • anal intraepithelial neoplasia II [AIN II] (K62.82)
  • • anal intraepithelial neoplasia III [AIN III] (D01.3)
  • • dysplasia (mild) (moderate) of anus (histologically confirmed) (K62.82)
  • • severe dysplasia of anus (histologically confirmed) (D01.3)
R85
  • • cloudy peritoneal dialysis effluent (R88.0)
  • • fecal abnormalities (R19.5)

⚠️ Excludes2

inherited

Rules inherited from parent codes.

R85.61
  • • anal high risk human papillomavirus (HPV) DNA test positive (R85.81)
  • • anal low risk human papillomavirus (HPV) DNA test positive (R85.82)

Clinical Description

ICD-10-CM code R85.616 represents satisfactory anal smear but lacking transformation zone. This code falls under the Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R99) classification. It is a billable/specific code valid for HIPAA-covered transactions as of October 1, 2025 (FY2026). This code can be used to indicate a diagnosis for reimbursement purposes on insurance claims.

This is a 7-character code at the 6th level of specificity. This is the most specific code available in this subcategory. Coders should note that R85.616 has 9 Excludes1 restriction(s) — codes that cannot be reported together on the same claim.

Frequently Asked Questions

What is ICD-10 code R85.616?

ICD-10-CM code R85.616 is "Satisfactory anal smear but lacking transformation zone". It belongs to the category: Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R99).

Is R85.616 a billable ICD-10 code?

Yes, R85.616 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.

What codes are excluded with R85.616?

R85.616 has 9 Excludes1 rule(s). These codes are mutually exclusive and cannot be coded together on the same claim.

Can R85.616 be coded with other codes?

R85.616 has 2 Excludes2 note(s). These conditions can be coded together if both are documented in the patient record.

Related Codes in R85.61

Other codes in the same category that may be relevant for differential coding:

R85.610Atypical squamous cells of undetermined significance on cytologic smear of anus (ASC-US)R85.611Atypical squamous cells cannot exclude high grade squamous intraepithelial lesion on cytologic smear of anus (ASC-H)R85.612Low grade squamous intraepithelial lesion on cytologic smear of anus (LGSIL)R85.613High grade squamous intraepithelial lesion on cytologic smear of anus (HGSIL)R85.614Cytologic evidence of malignancy on smear of anusR85.615Unsatisfactory cytologic smear of anusR85.618Other abnormal cytological findings on specimens from anusR85.619Unspecified abnormal cytological findings in specimens from anus

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Code Information

CodeR85.616
BillableYes
ParentR85.61
CategorySymptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R99)
Excludes19 rule(s)
Excludes22 note(s)

Data Source

CMS ICD-10-CM 2026 Tabular List

Updated October 1, 2025 (FY2026)