B00.9 ICD-10-CM Code: Herpesviral infection, unspecified
Billing Status: YES. This is a valid, specific, and billable ICD-10-CM reference.
Inpatient Payment Groups (MS-DRG)
MS-DRGs this diagnosis helps define, as principal or secondary, per the CMS ICD-10-CM/PCS MS-DRG Definitions Manual v43.0 (FY2026), Appendix B.
- MS-DRG 606 — MINOR SKIN DISORDERS WITH MCC (MDC 09)
- MS-DRG 607 — MINOR SKIN DISORDERS WITHOUT MCC (MDC 09)
- MS-DRG 974 — HIV WITH MAJOR RELATED CONDITION WITH MCC (MDC 25)
- MS-DRG 975 — HIV WITH MAJOR RELATED CONDITION WITH CC (MDC 25)
- MS-DRG 976 — HIV WITH MAJOR RELATED CONDITION WITHOUT CC/MCC (MDC 25)
A diagnosis appearing in a group's logic does not by itself determine the DRG assigned to a stay; the grouper uses the full claim.
Code Set: Valid FY2026 and FY2027. FY2026 took effect October 1, 2025.
Official Registry Overview & Definition
Official Tabular Instructional Notes
Sequencing, inclusion, and exclusion notes published for B00.9 in the official ICD-10-CM tabular list.
Inclusion Terms
Alternative terms the tabular list files under this code.
- Herpes simplex infection NOS
Excludes1 — Not Coded Here
Conditions that can never be reported with this code; the two are mutually exclusive.
- congenital herpesviral infections (P35.2)
Excludes2 — Not Included Here
Conditions not covered by this code, but which may be reported alongside it when both are present.
- anogenital herpesviral infection (A60.-)
- gammaherpesviral mononucleosis (B27.0-)
- herpangina (B08.5)
Nearest Codes in This Family
Official ICD-10-CM classifications closest to B00.9 in its code family, with their registry titles.
- B00.50 — Herpesviral ocular disease, unspecified
- B00.51 — Herpesviral iridocyclitis
- B00.52 — Herpesviral keratitis
- B00.53 — Herpesviral conjunctivitis
- B00.59 — Other herpesviral disease of eye
- B00.7 — Disseminated herpesviral disease
- B00.8 — Other forms of herpesviral infections
- B00.81 — Herpesviral hepatitis
- B00.82 — Herpes simplex myelitis
- B00.89 — Other herpesviral infection
Indexed Clinical Terms (3)
Clinical term phrases from the official ICD-10-CM Index to Diseases and Injuries that map to this code.
- Herpes, herpesvirus, herpetic
- Herpes, herpesvirus, herpetic, human
- Herpes, herpesvirus, herpetic, simplex