2026 ICD-10-CM Diagnosis Code A60.1Herpesviral infection of perianal skin and rectum

ICD-10-CM Codes›A00–B99›A50-A64›A60

ICD-10-CM A60.1
CMSSource: CMS FY 2026 ICD-10-CM dataset · Effective Oct 1, 2025 – Sep 30, 2026

A60.1 is a billable ICD-10-CM diagnosis code for herpesviral infection of perianal skin and rectum. It is valid on HIPAA claims for fiscal year 2026 (October 1, 2025 through September 30, 2026) and groups to MS-DRG 727 through 728, 742 through 743, 757 through 759, 974 through 976. In AHRQ's Clinical Classifications Software (CCSR), this diagnosis falls under Anal and rectal conditions, Sexually transmitted infections (excluding HIV and hepatitis), and Viral infection.

Code Identity

ICD-10-CM Code
A60.1
Billable Status
Yes — Valid for Submission
Code Describes
Herpesviral infection of perianal skin and rectum
Short Description
Herpesviral infection of perianal skin and rectum
Same as the full description in the CMS dataset.
Parent Code
A60
Anogenital herpesviral [herpes simplex] infections

Code Classification

ChapterA00–B99Certain infectious and parasitic diseases
SectionA50-A64Infections with a predominantly sexual mode of transmission
CategoryA60Anogenital herpesviral [herpes simplex] infections
This CodeA60.1Herpesviral infection of perianal skin and rectum

Approximate SynonymsGuidance

Alternate terms and clinical phrases that map to this code.

  • Herpes simplex gastrointestinal tract infection
  • Herpesviral infection of perianal skin and rectum
  • Infection of perianal skin caused by human herpes simplex virus
  • Infection of rectum caused by Human herpes simplex virus
  • Primary anogenital herpes
  • Primary herpes simplex
  • Primary perianal herpes simplex infection
  • Recurrent herpes simplex infection of perianal area
  • Recurrent infection of rectum caused by human herpes simplex virus

Index to Diseases and InjuriesGuidance

Alphabetical index entries that point to this code.

External Cause of Injuries IndexGuidance

References for this code in the External Cause of Injuries Index.

    • Herpes, herpesvirus, herpetic
      • anogenital
        • perianal skin
    • Herpes, herpesvirus, herpetic
      • anogenital
        • rectum
    • Herpes, herpesvirus, herpetic
      • perianal skin
    • Herpes, herpesvirus, herpetic
      • rectum
    • Proctitis
      • herpetic

Clinical ClassificationClinical

AHRQ’s CCSR groups this code into broader clinical categories.

CCSR DIG015
Anal and rectal conditions
Default principal diagnosis: inpatient No · outpatient No
CCSR INF010
Sexually transmitted infections (excluding HIV and hepatitis)
Default principal diagnosis: inpatient Yes · outpatient Yes
CCSR INF008
Viral infection
Default principal diagnosis: inpatient No · outpatient No

Patient EducationClinical

Anal Disorders

Your anus is the opening at the end of your large intestine. It is where stool (poop) leaves your body.

The full article covers:

  • What is the anus?
  • What are anal disorders?
  • What are the symptoms of anal disorders?
  • How are anal disorders diagnosed?
  • How are anal disorders treated?

Read the full article at MedlinePlus

Courtesy of MedlinePlus, a service of the U.S. National Library of Medicine.

Convert A60.1 to ICD-9-CMHistory

The closest ICD-9-CM equivalents under the General Equivalence Mappings.

ICD-9-CM
054.19 Genital herpes NEC
Approximate The match is approximate rather than exact.

Code HistoryHistory

FY 2016AddedAdded to the ICD-10-CM code setEffective October 1, 2015, the first year of ICD-10-CM.
FY 2017–2025No changes
FY 2026CurrentCurrent code set, no changesEffective October 1, 2025 through September 30, 2026.

Questions About A60.1Overview

Is A60.1 (Anogenital herpesviral [herpes simplex] infections) a billable code?

Yes. This is a billable ICD-10-CM code, specific enough to report herpesviral infection of perianal skin and rectum on HIPAA-covered claims from October 1, 2025 through September 30, 2026.

What MS-DRG does A60.1 group to?

When herpesviral infection of perianal skin and rectum is the principal diagnosis on an inpatient stay, it groups to MS-DRG 727, 728, 742, 743, 757, 758, 759, 974, 975, 976, with relative weights from 0.6636 to 2.8860 depending on complications. Higher weights mean higher Medicare reimbursement.

What is the ICD-9 equivalent of A60.1?

Under the General Equivalence Mappings, herpesviral infection of perianal skin and rectum converts to ICD-9-CM 054.19 (genital herpes NEC). The mapping is approximate, so confirm the match fits the documentation.

Footnotes

[1] Chronic - a chronic condition code indicates a condition lasting 12 months or longer and its effect on the patient based on one or both of the following criteria:

  • The condition results in the need for ongoing intervention with medical products,treatment, services, and special equipment
  • The condition places limitations on self-care, independent living, and social interactions.