2026 ICD-10-CM Diagnosis Code B00.89Other herpesviral infection

ICD-10-CM Codes›A00–B99›B00-B09›B00

ICD-10-CM B00.89
CMSSource: CMS FY 2026 ICD-10-CM dataset · Effective Oct 1, 2025 – Sep 30, 2026

B00.89 is a billable ICD-10-CM diagnosis code for other herpesviral infection. It is valid on HIPAA claims for fiscal year 2026 (October 1, 2025 through September 30, 2026) and groups to MS-DRG 865 through 866, 974 through 976. In AHRQ's Clinical Classifications Software (CCSR), this diagnosis falls under Viral infection.

Code Identity

ICD-10-CM Code
B00.89
Billable Status
Yes — Valid for Submission
Code Describes
Other herpesviral infection
Short Description
Other herpesviral infection
Same as the full description in the CMS dataset.
Parent Code
B00.8
Other forms of herpesviral infections

Code Classification

ChapterA00–B99Certain infectious and parasitic diseases
SectionB00-B09Viral infections characterized by skin and mucous membrane lesions
CategoryB00Herpesviral [herpes simplex] infections
This CodeB00.89Other herpesviral infection

Approximate SynonymsGuidance

Alternate terms and clinical phrases that map to this code.

  • Chronic mucocutaneous herpes simplex infection
  • Disease caused by Alphaherpesvirinae
  • Disease caused by Betaherpesvirinae
  • Disease caused by Gammaherpesvirinae
  • Erythema multiforme due to Herpes simplex infection
  • Erythema multiforme due to viral disease
  • Esophageal herpes simplex infection
  • Gingival disease due to recurrent oral herpes simplex infection
  • Herpes simplex duodenitis
  • Herpes simplex gastrointestinal tract infection
  • Herpes simplex infection of buttock
  • Herpes simplex infection of skin of breast
  • Herpes simplex pneumonia
  • Herpes virus infection of the central nervous system
  • Herpesvirus saimiri infection
  • Herpesvirus T infection
  • Herpetic whitlow
  • Impetigo simplex
  • Infection of central nervous system caused by Herpes simplex virus
  • Infection of skin and/or mucous membrane caused by Herpes simplex virus
  • Infection of urinary tract caused by Herpes simplex
  • Recurrent herpetic whitlow
  • Recurrent skin infection
  • Viral duodenitis

Tabular List NotesGuidance

Coding notes and annotation back-references applicable to this code.

Inclusion Terms

  • Herpesviral whitlow

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
      • simplex
        • complicated NEC
    • Herpes, herpesvirus, herpetic
      • simplex
        • specified complication NEC
    • Herpes, herpesvirus, herpetic
      • simplex
        • visceral
    • Herpes, herpesvirus, herpetic
      • visceral
    • Herpes, herpesvirus, herpetic
      • whitlow
    • Whitlow
      • herpesviral

Clinical ClassificationClinical

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

CCSR INF008
Viral infection
Default principal diagnosis: inpatient Yes · outpatient Yes

Clinical InformationClinical

  • Herpetic Whitlow

    a painful blister of the periungual skin that is caused by herpes simplex virus type 1 or 2.

Patient EducationClinical

Herpes Simplex

Herpes is an infection that is caused by a herpes simplex virus (HSV). Oral herpes causes cold sores around the mouth or face. Genital herpes affects the genitals, buttocks or anal area. Genital herpes is a sexually transmitted infection (STI). It affects the genitals, buttocks or anal area.

Read the full article at MedlinePlus

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

Convert B00.89 to ICD-9-CMHistory

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

ICD-9-CM
054.6 Herpetic whitlow
Approximate The match is approximate rather than exact.
ICD-9-CM
054.79 H simplex complicat 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 B00.89Overview

Is B00.89 (Other forms of herpesviral infections) a billable code?

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

What MS-DRG does B00.89 group to?

When other herpesviral infection is the principal diagnosis on an inpatient stay, it groups to MS-DRG 865, 866, 974, 975, 976, with relative weights from 0.8696 to 2.8860 depending on complications. Higher weights mean higher Medicare reimbursement.

What is the ICD-9 equivalent of B00.89?

Under the General Equivalence Mappings, other herpesviral infection converts to ICD-9-CM 054.6 (herpetic whitlow) and 054.79 (h simplex complicat 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.