2027 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 2027 ICD-10-CM dataset · Effective Oct 1, 2026 – Sep 30, 2027

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 2027 (October 1, 2026 through September 30, 2027) and groups to MS-DRG 727 through 728, 742 through 743, 757 through 759, 974 through 976. Coders also document this condition as herpes simplex gastrointestinal tract infection. 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 gastrointestinal tract
  • Recurrent infection of rectum caused by human herpes simplex virus

Instructional NotesGuidance

Instructions from the official ICD-10-CM Tabular List that apply to A60.1: its own notes plus those printed at block A50-A64 and Chapter 1. A note printed at a category, block or chapter applies to every code under it.

Includes

Further defines, or gives examples of, the content of the category.

From Chapter 1 (A00-B99) Certain infectious and parasitic diseases applies to 1,068 codes
  • diseases generally recognized as communicable or transmissible

Excludes1

Not coded here: the excluded code is never reported together with this one, unless the two conditions are unrelated.

From Block A50-A64 Infections with a predominantly sexual mode of transmission applies to 142 codes
  • nonspecific and nongonococcal urethritis (N34.1)
  • Reiter's disease (M02.3-)

Excludes2

Not included here: the excluded condition is not part of this code, but a patient may have both, so both codes may be reported.

From Block A50-A64 Infections with a predominantly sexual mode of transmission applies to 142 codes
  • human immunodeficiency virus [HIV] disease (B20)
From Chapter 1 (A00-B99) Certain infectious and parasitic diseases applies to 1,068 codes
  • carrier or suspected carrier of infectious disease (Z22.-)
  • certain localized infections - see body system-related chapters
  • infectious and parasitic diseases complicating pregnancy, childbirth and the puerperium (O98.-)
  • infectious and parasitic diseases specific to the perinatal period (P35-P39)
  • influenza and other acute respiratory infections (J00-J22)

Use Additional Code

Add a second code, after this one, to fully describe the condition.

From Chapter 1 (A00-B99) Certain infectious and parasitic diseases applies to 1,068 codes
  • code to identify resistance to antimicrobial drugs (Z16.-)

Source: CMS ICD-10-CM Tabular List. How to read instructional notes.

Referenced in Other NotesGuidance

Instructional notes printed at other codes that name A60.1, its category, or a range that includes it.

Applicable To 1

These notes mention A60.1.

  • O98.3 Other infections with a predominantly sexual mode of transmission complicating pregnancy, childbirth and the puerperium
    Conditions in A55-A64 names A55-A64, which includes this code

Excludes2 1

These codes carry an Excludes2 note naming A60.1: its condition is not part of those codes, and both may be reported when the patient has both.

  • B00 Herpesviral [herpes simplex] infections
    anogenital herpesviral infection (A60.-) names A60.-, which includes this code

Index to Diseases and InjuriesGuidance

Alphabetical index entries that point to this code.

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 2017–2026No changes
FY 2027CurrentCurrent code set, no changesEffective October 1, 2026 through September 30, 2027.

Questions About A60.1Overview

What is the ICD-10 code for herpesviral infection of perianal skin and rectum?

The ICD-10-CM code for herpesviral infection of perianal skin and rectum is A60.1 (sometimes written as A601). It is billable on HIPAA-covered claims from October 1, 2026 through September 30, 2027.

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, 2026 through September 30, 2027.

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 742, 759, 974, 727, 976, 975, 743, 728, 758, 757, with relative weights from 0.7687 to 3.0488 depending on complications. Higher weights mean higher Medicare reimbursement.

Can A60.1 be reported with N34.1?

Not as a rule. The Excludes1 note at block A50-A64, which applies to A60.1, lists "nonspecific and nongonococcal urethritis (N34.1)". An Excludes1 note means the excluded code is never reported together with this one; the only exception is when the two conditions are unrelated to each other (Official Guidelines, Section I.A.12.a).

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.