B00.9
Billable codeHerpesviral infection, unspecified
The ICD-10 code for herpesviral infection, unspecified is B00.9.
Clinical notes
Also known as
Alternate wording, synonyms, or specific conditions that fall under this code, listed to help confirm you've picked the right one.
- Herpes simplex infection NOS
Documentation support
General coding-documentation guidance — not a substitute for payer-specific requirements or professional coding judgment.
- •This code describes an unspecified presentation. If the medical record documents a more specific detail (e.g. laterality, type, or affected site), a more specific sibling code should be used instead — see Related codes below.
- •As a general rule, code to the highest level of specificity supported by the documentation in the medical record.
Related codes in this category
- B00.0Eczema herpeticum
- B00.1Herpesviral vesicular dermatitis
- B00.2Herpesviral gingivostomatitis and pharyngotonsillitis
- B00.3Herpesviral meningitis
- B00.4Herpesviral encephalitis
- B00.5Herpesviral ocular diseasenon-billable header
- B00.7Disseminated herpesviral disease
- B00.8Other forms of herpesviral infectionsnon-billable header
- B00.9Herpesviral infection, unspecified
ICD-9-CM equivalent
Informational only — GEM mappings are approximate, not guaranteed one-to-one equivalents. Verify before use in billing.
- 0548Approximate match
- 0549Approximate match
Associated MS-DRGs
B00.9 can serve as the principal diagnosis for these Medicare Severity Diagnosis-Related Groups.
Informational only — actual DRG assignment also depends on procedures, complications/comorbidities (CC/MCC), discharge status, and payer-specific rules not reflected here.
- DRG 564Other Musculoskeletal System and Connective Tissue Diagnoses with MCC
- DRG 565Other Musculoskeletal System and Connective Tissue Diagnoses with CC
- DRG 566Other Musculoskeletal System and Connective Tissue Diagnoses without CC/MCC
- DRG 606Minor Skin Disorders with MCC
- DRG 607Minor Skin Disorders without MCC